Example #1
0
        //public static OOverlapWeighted OverlapWeightedByFreq(IList<Mode> modes1, IList<Mode> modes2, ILinAlg ila, bool bResetUnitVector, string optSelectOverlap)
        //{
        //    Vector weights = new double[modes1.Count];
        //    for(int i=0; i<weights.Size; i++)
        //        weights[i] = 1/Math.Sqrt(Math.Abs(modes1[i].eigval));
        //    weights /= weights.Sum();
        //
        //    return OverlapWeighted(modes1, modes2, weights.ToArray(), ila, bResetUnitVector, optSelectOverlap);
        //}
        public static OOverlapWeighted OverlapWeighted(IList <Mode> modes1, double[] mass1, double[] mass2, IList <Mode> modes2, IList <double> weights, ILinAlg ila, bool bResetUnitVector, string optSelectOverlap)
        {
            Matrix soverlap = OverlapSigned(modes1, mass1, mass2, modes2, ila, bResetUnitVector);

            HDebug.Exception(modes1.Count == weights.Count);

            int[] idxOverlap1to2;
            switch (optSelectOverlap)
            {
            case "corresponding index":
                if (modes1.Count != modes2.Count)
                {
                    throw new HException();
                }
                idxOverlap1to2 = HEnum.HEnumCount(modes1.Count).ToArray();
                break;

            case "best matching overlap":
                idxOverlap1to2 = new int[modes1.Count];
                for (int im = 0; im < modes1.Count; im++)
                {
                    idxOverlap1to2[im] = 0;
                    for (int k = 0; k < modes2.Count; k++)
                    {
                        if (Math.Abs(soverlap[im, idxOverlap1to2[im]]) < Math.Abs(soverlap[im, k]))
                        {
                            idxOverlap1to2[im] = k;
                        }
                    }
                }
                break;

            default:
                throw new HException();
            }

            Vector overlap1to2       = new double[modes1.Count];
            Vector overlap1to2signed = new double[modes1.Count];
            double woverlap          = 0;

            for (int i = 0; i < modes1.Count; i++)
            {
                overlap1to2      [i] = Math.Abs(soverlap[i, idxOverlap1to2[i]]);
                overlap1to2signed[i] = soverlap[i, idxOverlap1to2[i]];
                woverlap            += weights[i] * overlap1to2[i];
            }

            return(new OOverlapWeighted
            {
                soverlap1to2 = soverlap,
                woverlap = woverlap,
                weights = weights.ToArray(),
                overlaps = overlap1to2.ToArray(),
                sgnoverlaps = overlap1to2signed.ToArray(),
                idxOverlap1to2 = idxOverlap1to2,
                modes1 = modes1.ToArray(),
                modes2 = modes2.ToArray(),
            });
        }
Example #2
0
            public static Vector[] GetTrans(Vector[] coords, Vector cent, int[] block)
            {
                int leng = coords.Length;

                Vector[] transx = new Vector[leng];
                Vector[] transy = new Vector[leng];
                Vector[] transz = new Vector[leng];

                Vector zeros = new double[3];

                for (int i = 0; i < leng; i++)
                {
                    transx[i] = transy[i] = transz[i] = zeros;
                }

                Vector dx = new double[3] {
                    1, 0, 0
                };
                Vector dy = new double[3] {
                    0, 1, 0
                };
                Vector dz = new double[3] {
                    0, 0, 1
                };

                IEnumerable <int> enumblock = block;

                if (block != null)
                {
                    enumblock = block;
                }
                else
                {
                    enumblock = HEnum.HEnumCount(leng);
                }
                foreach (int i in enumblock)
                {
                    transx[i] = dx;
                    transy[i] = dy;
                    transz[i] = dz;
                }

                Vector[] trans = new Vector[3]
                {
                    transx.ToVector().UnitVector(),
                         transy.ToVector().UnitVector(),
                         transz.ToVector().UnitVector(),
                };
                return(trans);
            }
            public static CGetHessCoarseResiIterImpl GetHessCoarseResiIterImpl_Matlab_IterLowerTri
                (object[] atoms
                , HessMatrix H
                , List <int>[] lstNewIdxRemv
                , double thres_zeroblk
                , ILinAlg ila
                , bool cloneH
                , string[] options // { "pinv(D)" }
                )
            {
                ila = null;
                if (cloneH)
                {
                    H = H.CloneHess();
                }

                bool process_disp_console = true;

                if (options != null && options.Contains("print process"))
                {
                    process_disp_console = true;
                }

                bool parallel = true;

                /// keep only lower triangle of H (lower block triangles)
                {
                    HashSet <Tuple <int, int, MatrixByArr> > lstUppTrig = new HashSet <Tuple <int, int, MatrixByArr> >();
                    foreach (ValueTuple <int, int, MatrixByArr> bc_br_bval in H.EnumBlocks())
                    {
                        int bc = bc_br_bval.Item1;
                        int br = bc_br_bval.Item2;
                        if (bc < br)
                        {
                            lstUppTrig.Add(bc_br_bval.ToTuple());
                        }
                    }
                    foreach (Tuple <int, int, MatrixByArr> bc_br_bval in lstUppTrig)
                    {
                        int bc = bc_br_bval.Item1;
                        int br = bc_br_bval.Item2;
                        HDebug.Assert(bc < br);
                        H.SetBlock(bc, br, null);
                    }
                }
                GC.Collect();

                List <DateTime> process_time = new List <DateTime>();

                //System.Console.WriteLine("begin coarse-graining");
                List <HessCoarseResiIterInfo> iterinfos = new List <HessCoarseResiIterInfo>();

                for (int iter = lstNewIdxRemv.Length - 1; iter >= 0; iter--)
                {
                    process_time.Clear();
                    if (process_disp_console)
                    {
                        process_time.Add(DateTime.UtcNow);
                        System.Console.Write(" - {0:000} : ", iter);
                    }

                    //int[] ikeep = lstNewIdxRemv[iter].Item1;
                    int[] iremv     = lstNewIdxRemv[iter].ToArray();
                    int   iremv_min = iremv.Min();
                    int   iremv_max = iremv.Max();

                    HDebug.Assert(H.ColBlockSize == H.RowBlockSize);
                    int blksize = H.ColBlockSize;
                    //HDebug.Assert(ikeep.Max() < blksize);
                    //HDebug.Assert(iremv.Max() < blksize);
                    //HDebug.Assert(iremv.Max()+1 == blksize);
                    //HDebug.Assert(iremv.Max() - iremv.Min() + 1 == iremv.Length);

                    int[] idxkeep = HEnum.HEnumFromTo(0, iremv_min - 1).ToArray();
                    int[] idxremv = HEnum.HEnumFromTo(iremv_min, iremv_max).ToArray();
                    //HDebug.Assert(idxkeep.HUnionWith(idxremv).Length == blksize);

                    HessCoarseResiIterInfo iterinfo = new HessCoarseResiIterInfo();
                    iterinfo.sizeHessBlkMat  = idxremv.Max() + 1; // H.ColBlockSize;
                    iterinfo.numAtomsRemoved = idxremv.Length;
                    iterinfo.time0           = DateTime.UtcNow;

                    ////////////////////////////////////////////////////////////////////////////////////////
                    // make C sparse
                    double C_density0;
                    double C_density1;
                    {
                        double thres_absmax = thres_zeroblk;

                        C_density0 = 0;
                        List <Tuple <int, int> > lstIdxToMakeZero = new List <Tuple <int, int> >();
                        foreach (var bc_br_bval in H.EnumBlocksInCols(idxremv))
                        {
                            int bc   = bc_br_bval.Item1;
                            int br   = bc_br_bval.Item2;
                            var bval = bc_br_bval.Item3;
                            if (br >= iremv_min)
                            {
                                // bc_br is in D, not in C
                                continue;
                            }

                            C_density0++;
                            double absmax_bval = bval.HAbsMax();
                            if (absmax_bval < thres_absmax)
                            {
                                lstIdxToMakeZero.Add(new Tuple <int, int>(bc, br));
                            }
                        }
                        C_density1 = C_density0 - lstIdxToMakeZero.Count;
                        foreach (var bc_br in lstIdxToMakeZero)
                        {
                            int bc = bc_br.Item1;
                            int br = bc_br.Item2;
                            HDebug.Assert(bc > br);
                            var Cval = H.GetBlock(bc, br);
                            var Dval = H.GetBlock(bc, bc);
                            var Aval = H.GetBlock(br, br);
                            var Bval = Cval.Tr();
                            H.SetBlock(bc, br, null);           // nCval = Cval    -Cval
                            H.SetBlock(bc, bc, Dval + Cval);    // nDval = Dval - (-Cval) = Dval + Cval
                                                                // nBval = Bval    -Bval
                            H.SetBlock(br, br, Aval + Bval);    // nAval = Aval - (-Bval) = Aval + Bval
                        }
                        iterinfo.numSetZeroBlock = lstIdxToMakeZero.Count;
                        iterinfo.numNonZeroBlock = (int)C_density1;
                        C_density0 /= (idxkeep.Length * idxremv.Length);
                        C_density1 /= (idxkeep.Length * idxremv.Length);
                    }

                    ////////////////////////////////////////////////////////////////////////////////////////
                    // get A, B, C, D
                    HessMatrix A = H;       // HessMatrix    A = H.SubMatrixByAtoms(false, idxkeep, idxkeep);
                                            // HessMatrix    B = H.SubMatrixByAtoms(false, idxkeep, idxremv);
                    HessMatrix C;           // HessMatrix    C = H.SubMatrixByAtoms(false, idxremv, idxkeep, parallel:parallel);
                    HessMatrix D;           // HessMatrix    D = H.SubMatrixByAtoms(false, idxremv, idxremv, parallel:parallel);
                    {
                        C = H.Zeros(idxremv.Length * 3, idxkeep.Length * 3);
                        D = H.Zeros(idxremv.Length * 3, idxremv.Length * 3);

                        //List<Tuple<int, int, MatrixByArr>> lst_bc_br_bval = H.EnumBlocksInCols(idxremv).ToList();
                        //foreach(var bc_br_bval in lst_bc_br_bval)
                        foreach (var bc_br_bval in H.EnumBlocksInCols(idxremv))
                        {
                            int bc   = bc_br_bval.Item1;
                            int br   = bc_br_bval.Item2;
                            var bval = bc_br_bval.Item3;

                            H.SetBlock(bc, br, null);
                            if (bc > iremv_max)
                            {
                                HDebug.Assert(false); continue;
                            }
                            if (br > iremv_max)
                            {
                                HDebug.Assert(false); continue;
                            }
                            if (br < iremv_min)
                            {
                                int nc = bc - iremv_min;
                                int nr = br;
                                HDebug.Assert(C.HasBlock(nc, nr) == false);
                                C.SetBlock(nc, nr, bval.CloneT());
                            }
                            else
                            {
                                int nc = bc - iremv_min;
                                int nr = br - iremv_min;
                                HDebug.Assert(D.HasBlock(nc, nr) == false);
                                D.SetBlock(nc, nr, bval);
                                if (nc != nr)
                                {
                                    HDebug.Assert(D.HasBlock(nr, nc) == false);
                                    D.SetBlock(nr, nc, bval.Tr());
                                }
                            }
                        }
                        HDebug.Assert(H.EnumBlocksInCols(idxremv).Count() == 0);
                    }
                    if (process_disp_console)
                    {
                        process_time.Add(DateTime.UtcNow);
                        int ptc = process_time.Count;
                        System.Console.Write("CD({0:00.00} min), ", (process_time[ptc - 1] - process_time[ptc - 2]).TotalMinutes);
                    }

                    ////////////////////////////////////////////////////////////////////////////////////////
                    // Get B.inv(D).C
                    HessMatrix B_invD_C;
                    {
                        {
                            B_invD_C = GetHessCoarseResiIterImpl_Matlab_IterLowerTri_Get_BInvDC(A, C, D, process_disp_console
                                                                                                , options
                                                                                                , thld_BinvDC: thres_zeroblk / lstNewIdxRemv.Length
                                                                                                , parallel: parallel
                                                                                                );
                        }
                        if (process_disp_console)
                        {
                            process_time.Add(DateTime.UtcNow);
                            int ptc = process_time.Count;
                            System.Console.Write("B.invD.C({0:00.00} min), ", (process_time[ptc - 1] - process_time[ptc - 2]).TotalMinutes);
                        }
                        GC.Collect(0);
                    }

                    ////////////////////////////////////////////////////////////////////////////////////////
                    // Get A - B.inv(D).C
                    /// iterinfo.numAddIgnrBlock = A.UpdateAdd(B_invD_C, -1, null, thres_zeroblk/lstNewIdxRemv.Length, parallel:parallel);
                    {
                        HessMatrix __this = A;
                        HessMatrix other  = B_invD_C;
                        double     _thres_NearZeroBlock = thres_zeroblk / lstNewIdxRemv.Length;

                        int[] _count         = new int[1];
                        int[] _count_ignored = new int[1];

                        //foreach(var bc_br_bval in other.EnumBlocks())
                        Action <ValueTuple <int, int, MatrixByArr> > func = delegate(ValueTuple <int, int, MatrixByArr> bc_br_bval)
                        {
                            _count[0]++;
                            int         bc         = bc_br_bval.Item1;
                            int         br         = bc_br_bval.Item2;
                            MatrixByArr other_bmat = bc_br_bval.Item3;
                            if (bc < br)
                            {
                                return; // continue;
                            }
                            if (other_bmat.HAbsMax() <= _thres_NearZeroBlock)
                            {
                                /// other_bmat = other_bmat    -other_bmat;
                                /// other_diag = other_diag - (-other_bmat) = other_diag + other_bmat;
                                ///  this_diag =  this_diat - B_invD_C
                                ///            =  this_diat - other_diag
                                ///            =  this_diat - (other_diag + other_bmat)
                                ///            =  this_diat - other_diag  - other_bmat
                                ///            = (this_diat - other_bmat) - other_diag
                                ///            = (this_diat - other_bmat) - (processed later)
                                ///            = (this_diat - other_bmat)
                                MatrixByArr this_diag = __this.GetBlock(bc, bc);
                                MatrixByArr new_diag  = this_diag - other_bmat;
                                __this.SetBlockLock(bc, bc, new_diag);
                                other_bmat = null;
                                lock (_count_ignored)
                                    _count_ignored[0]++;
                            }
                            if (other_bmat != null)
                            {
                                MatrixByArr this_bmat = __this.GetBlock(bc, br);
                                if (this_bmat == null)
                                {
                                    this_bmat = new double[3, 3];
                                }
                                MatrixByArr new_bmat = this_bmat - other_bmat;
                                __this.SetBlockLock(bc, br, new_bmat);
                            }
                        };
                        if (parallel)
                        {
                            HParallel.ForEach(other.EnumBlocks(), func);
                        }
                        else
                        {
                            foreach (var bc_br_bval in other.EnumBlocks())
                            {
                                func(bc_br_bval);
                            }
                        }

                        iterinfo.numAddIgnrBlock = _count_ignored[0];
                    }
                    if (process_disp_console)
                    {
                        process_time.Add(DateTime.UtcNow);
                        int ptc = process_time.Count;
                        System.Console.Write("A-BinvDC({0:00.00} min), ", (process_time[ptc - 1] - process_time[ptc - 2]).TotalMinutes);
                    }
                    //HessMatrix nH = A - B_invD_C;
                    //nH = ((nH + nH.Tr())/2).ToHessMatrix();
                    ////////////////////////////////////////////////////////////////////////////////////////
                    // Replace A -> H
                    H = A;

                    ////////////////////////////////////////////////////////////////////////////////////////
                    // print iteration log
                    iterinfo.usedMemoryByte = GC.GetTotalMemory(false);
                    iterinfo.time1          = DateTime.UtcNow;
                    iterinfos.Add(iterinfo);

                    if (process_disp_console)
                    {
                        System.Console.Write("summary(makezero {0,5}, nonzero {1,5}, numIgnMul {2,7}, numRemvAtoms {3,3}, {4,5:0.00} min, {5} mb, {6}x{6}, nzeroBlk/Atom {7:0.00}), GC("
                                             , iterinfo.numSetZeroBlock
                                             , iterinfo.numNonZeroBlock
                                             , iterinfo.numAddIgnrBlock
                                             , iterinfo.numAtomsRemoved
                                             , iterinfo.compTime.TotalMinutes
                                             , iterinfo.usedMemoryByte / (1024 * 1024)
                                             , (idxkeep.Length * 3)
                                             , ((double)iterinfo.numNonZeroBlock / idxremv.Length)
                                             );
                    }
                    GC.Collect();
                    if (process_disp_console)
                    {
                        System.Console.WriteLine(")");
                    }
                }

                int numca = H.ColBlockSize - lstNewIdxRemv.HListCount().Sum();

                //System.Console.WriteLine("finish coarse-graining");
                {
                    int[] idxkeep = HEnum.HEnumCount(numca).ToArray();
                    H = H.SubMatrixByAtoms(false, idxkeep, idxkeep, false);
                }
                {
                    H.MakeNearZeroBlockAsZero(thres_zeroblk);
                }
                GC.Collect();
                //System.Console.WriteLine("finish resizing");

                return(new CGetHessCoarseResiIterImpl
                {
                    iterinfos = iterinfos,
                    H = H,
                });
            }
                public static CGetHessCoarseResiIterImpl Do
                    (object[] atoms
                    , HessMatrix H
                    , List <int>[] lstNewIdxRemv
                    , double thres_zeroblk
                    , ILinAlg ila
                    , bool cloneH
                    , string[] options
                    )
                {
                    //HDebug.ToDo();

                    ila    = null;
                    cloneH = true;
                    if (cloneH)
                    {
                        H = H.CloneHess();
                    }

                    bool process_disp_console = true;

                    if (options != null && options.Contains("print process"))
                    {
                        process_disp_console = true;
                    }

                    bool parallel = false;

                    /// keep only lower triangle of H (lower block triangles)
                    {
                        HashSet <Tuple <int, int, MatrixByArr> > lstUppTrig = new HashSet <Tuple <int, int, MatrixByArr> >();
                        foreach (ValueTuple <int, int, MatrixByArr> bc_br_bval in H.EnumBlocks())
                        {
                            int bc = bc_br_bval.Item1;
                            int br = bc_br_bval.Item2;
                            if (bc < br)
                            {
                                lstUppTrig.Add(bc_br_bval.ToTuple());
                            }
                        }
                        foreach (Tuple <int, int, MatrixByArr> bc_br_bval in lstUppTrig)
                        {
                            int bc = bc_br_bval.Item1;
                            int br = bc_br_bval.Item2;
                            HDebug.Assert(bc < br);
                            H.SetBlock(bc, br, null);
                        }
                    }
                    GC.Collect();

                    DateTime[] process_time = new DateTime[6];

                    //System.Console.WriteLine("begin coarse-graining");
                    List <HessCoarseResiIterInfo> iterinfos = new List <HessCoarseResiIterInfo>();

                    for (int iter = lstNewIdxRemv.Length - 1; iter >= 0; iter--)
                    {
                        bool lprocess_disp_console = (process_disp_console && iter % 5 == 0);
                        lprocess_disp_console = true;
                        if (lprocess_disp_console)
                        {
                            process_time[0] = DateTime.UtcNow;
                            System.Console.Write(" - {0:000} : ", iter);
                        }

                        //int[] ikeep = lstNewIdxRemv[iter].Item1;

                        HessCoarseResiIterInfo iterinfo = new HessCoarseResiIterInfo();
                        iterinfo.sizeHessBlkMat  = 1;
                        iterinfo.numAtomsRemoved = 1;
                        iterinfo.time0           = DateTime.UtcNow;
                        int _count_update = 0;
                        {
                            HDebug.Assert(lstNewIdxRemv[iter].Count == 1);
                            int iremv = lstNewIdxRemv[iter][0];

                            HessMatrix         A         = H;
                            MatrixByArr        D         = null;
                            double             D_absmin  = 0;
                            List <int>         C_lstbr   = new List <int>();
                            List <MatrixByArr> C_lstbval = new List <MatrixByArr>();
                            {
                                // get C and D
                                foreach (var(bc, br, bval) in H.EnumBlocksInCols(new int[] { iremv }))
                                {
                                    HDebug.Assert(iremv == bc);
                                    if (bc == br)
                                    {
                                        HDebug.Assert(D == null);
                                        D        = bval;
                                        D_absmin = D.HAbsMin();
                                    }
                                    else
                                    {
                                        if (bval.HAbsMin() >= thres_zeroblk)
                                        {
                                            C_lstbr.Add(br);
                                            C_lstbval.Add(bval);
                                        }
                                    }
                                }
                                // remove C and D
                                {
                                    int bc = iremv;
                                    H.SetBlock(bc, bc, null);
                                    foreach (int br in C_lstbr)
                                    {
                                        H.SetBlock(bc, br, null);
                                    }
                                }
                            }
                            if (lprocess_disp_console)
                            {
                                process_time[1] = process_time[2] = DateTime.UtcNow;
                                System.Console.Write("CD({0:00.00} min), ", (process_time[2] - process_time[0]).TotalMinutes);
                            }

                            double threshold = thres_zeroblk / lstNewIdxRemv.Length;

                            //  DD ={ { d00,d01,d02},{ d10,d11,d12},{ d20,d21,d22} }; MatrixForm[DD]
                            //  BB ={ { b00,b01,b02},{ b10,b11,b12},{ b20,b21,b22} }; MatrixForm[BB]
                            //  CC ={ { c00,c01,c02},{ c10,c11,c12},{ c20,c21,c22} }; MatrixForm[CC]
                            //  object[]    dbginfo = null; // new object[] { iremv, atoms, H, D, C_lstbr, C_lstbval };

                            Action <ValueTuple <int, int, MatrixByArr, MatrixByArr> > Update_A_B_invD_C = delegate(ValueTuple <int, int, MatrixByArr, MatrixByArr> info)
                            {
                                int         bc = info.Item1; // bc
                                int         br = info.Item2; // br
                                MatrixByArr DC = info.Item3; // invDD_CC  // XX ={ { x00,x01,x02},{ x10,x11,x12},{ x20,x21,x22} }; MatrixForm[CC]
                                MatrixByArr B  = info.Item4; // BB        // BB ={ { b00,b01,b02},{ b10,b11,b12},{ b20,b21,b22} }; MatrixForm[BB]
                                //var _iremv                      = (int)dbginfo[0];
                                //var _atoms                      = dbginfo[1] as Universe.Atom[]  ;
                                //var _H                          = dbginfo[2] as HessMatrix       ;
                                //var _D                          = dbginfo[3] as MatrixByArr      ;
                                //var _C_lstbr                    = dbginfo[4] as List<int>        ;
                                //var _C_lstbval                  = dbginfo[5] as List<MatrixByArr>;

                                //MatrixByArr BB_invDD_CC = BB * invDD_CC;
                                double _BDC00 = 0 - B[0, 0] * DC[0, 0] - B[0, 1] * DC[1, 0] - B[0, 2] * DC[2, 0]; // { { b00 x00 +b01 x10 + b02 x20
                                double _BDC01 = 0 - B[0, 0] * DC[0, 1] - B[0, 1] * DC[1, 1] - B[0, 2] * DC[2, 1]; //   , b00 x01 +b01 x11 + b02 x21
                                double _BDC02 = 0 - B[0, 0] * DC[0, 2] - B[0, 1] * DC[1, 2] - B[0, 2] * DC[2, 2]; //   , b00 x02 +b01 x12 + b02 x22
                                double _BDC10 = 0 - B[1, 0] * DC[0, 0] - B[1, 1] * DC[1, 0] - B[1, 2] * DC[2, 0]; // },{ b10 x00 +b11 x10 + b12 x20
                                double _BDC11 = 0 - B[1, 0] * DC[0, 1] - B[1, 1] * DC[1, 1] - B[1, 2] * DC[2, 1]; //   , b10 x01 +b11 x11 + b12 x21
                                double _BDC12 = 0 - B[1, 0] * DC[0, 2] - B[1, 1] * DC[1, 2] - B[1, 2] * DC[2, 2]; //   , b10 x02 +b11 x12 + b12 x22
                                double _BDC20 = 0 - B[2, 0] * DC[0, 0] - B[2, 1] * DC[1, 0] - B[2, 2] * DC[2, 0]; // },{ b20 x00 +b21 x10 + b22 x20
                                double _BDC21 = 0 - B[2, 0] * DC[0, 1] - B[2, 1] * DC[1, 1] - B[2, 2] * DC[2, 1]; //   , b20 x01 +b21 x11 + b22 x21
                                double _BDC22 = 0 - B[2, 0] * DC[0, 2] - B[2, 1] * DC[1, 2] - B[2, 2] * DC[2, 2]; //   , b20 x02 +b21 x12 + b22 x22 }}

                                if (A.HasBlockLock(bc, br))
                                {
                                    MatrixByArr A_bc_br = A.GetBlockLock(bc, br);
                                    A_bc_br[0, 0] += _BDC00; // A = A + (-B.invD.C)
                                    A_bc_br[0, 1] += _BDC01; // A = A + (-B.invD.C)
                                    A_bc_br[0, 2] += _BDC02; // A = A + (-B.invD.C)
                                    A_bc_br[1, 0] += _BDC10; // A = A + (-B.invD.C)
                                    A_bc_br[1, 1] += _BDC11; // A = A + (-B.invD.C)
                                    A_bc_br[1, 2] += _BDC12; // A = A + (-B.invD.C)
                                    A_bc_br[2, 0] += _BDC20; // A = A + (-B.invD.C)
                                    A_bc_br[2, 1] += _BDC21; // A = A + (-B.invD.C)
                                    A_bc_br[2, 2] += _BDC22; // A = A + (-B.invD.C)
                                    // (small && small && small) == !(large || large || large)
                                    bool toosmall = !(Math.Abs(A_bc_br[0, 0]) > threshold || Math.Abs(A_bc_br[0, 1]) > threshold || Math.Abs(A_bc_br[0, 2]) > threshold ||
                                                      Math.Abs(A_bc_br[1, 0]) > threshold || Math.Abs(A_bc_br[1, 1]) > threshold || Math.Abs(A_bc_br[1, 2]) > threshold ||
                                                      Math.Abs(A_bc_br[2, 0]) > threshold || Math.Abs(A_bc_br[2, 1]) > threshold || Math.Abs(A_bc_br[2, 2]) > threshold);
                                    if (toosmall)
                                    {
                                        HDebug.Assert(bc != br);
                                        A.SetBlockLock(bc, br, null);
                                    }
                                }
                                else
                                {
                                    // (small && small && small) == !(large || large || large)
                                    bool toosmall = !(Math.Abs(_BDC00) > threshold || Math.Abs(_BDC01) > threshold || Math.Abs(_BDC02) > threshold ||
                                                      Math.Abs(_BDC10) > threshold || Math.Abs(_BDC11) > threshold || Math.Abs(_BDC12) > threshold ||
                                                      Math.Abs(_BDC20) > threshold || Math.Abs(_BDC21) > threshold || Math.Abs(_BDC22) > threshold);
                                    if (!toosmall)
                                    {
                                        MatrixByArr A_bc_br = new double[3, 3]
                                        {
                                            { _BDC00, _BDC01, _BDC02 }   // A = 0 + (-B.invD.C)
                                            , { _BDC10, _BDC11, _BDC12 } // A = 0 + (-B.invD.C)
                                            , { _BDC20, _BDC21, _BDC22 } // A = 0 + (-B.invD.C)
                                        };
                                        A.SetBlockLock(bc, br, A_bc_br);
                                    }
                                }

                                System.Threading.Interlocked.Increment(ref _count_update);
                            };

                            var lstCompInfo = EnumComput(D, C_lstbr, C_lstbval, threshold);
                            if (parallel)
                            {
                                Parallel.ForEach(lstCompInfo, Update_A_B_invD_C);
                            }
                            else
                            {
                                foreach (var info in lstCompInfo)
                                {
                                    Update_A_B_invD_C(info);
                                }
                            }

                            //GC.Collect(0);

                            if (lprocess_disp_console)
                            {
                                process_time[4] = DateTime.UtcNow;
                                System.Console.Write("B.invD.C({0:00.00} min), ", (process_time[4] - process_time[3]).TotalMinutes);
                            }

                            H = A;
                        }
                        iterinfo.usedMemoryByte = GC.GetTotalMemory(false);
                        iterinfo.time1          = DateTime.UtcNow;
                        iterinfos.Add(iterinfo);

                        if (lprocess_disp_console)
                        {
                            System.Console.WriteLine("summary(makezero {0,5}, nonzero {1,5}, numIgnMul {2,7}, numRemvAtoms {3,3}, {4,5:0.00} sec, {5} mb, {6}x{6}, nzeroBlk/Atom {7:0.00}, cntUpdateBlk({8}))"
                                                     , iterinfo.numSetZeroBlock
                                                     , iterinfo.numNonZeroBlock
                                                     , iterinfo.numAddIgnrBlock
                                                     , iterinfo.numAtomsRemoved
                                                     , iterinfo.compSec
                                                     , iterinfo.usedMemoryByte / (1024 * 1024)
                                                     , (0 * 3)
                                                     , 0//((double)iterinfo.numNonZeroBlock / idxremv.Length)
                                                     , _count_update
                                                     );
                        }
                    }
                    int numca = H.ColBlockSize - lstNewIdxRemv.HListCount().Sum();

                    //System.Console.WriteLine("finish coarse-graining");
                    {
                        int[] idxkeep = HEnum.HEnumCount(numca).ToArray();
                        H = H.SubMatrixByAtoms(false, idxkeep, idxkeep, false);
                    }
                    {
                        H.MakeNearZeroBlockAsZero(thres_zeroblk);
                    }
                    GC.Collect(0);
                    //System.Console.WriteLine("finish resizing");

                    return(new CGetHessCoarseResiIterImpl
                    {
                        iterinfos = iterinfos,
                        H = H,
                    });
                }
            public static CGetHessCoarseResiIterImpl GetHessCoarseResiIterImpl_ILinAlg_20150329(HessMatrix H, List <int>[] lstNewIdxRemv, double thres_zeroblk, ILinAlg ila, bool cloneH)
            {
                if (cloneH)
                {
                    H = H.CloneHess();
                }

                //System.Console.WriteLine("begin coarse-graining");
                List <HessCoarseResiIterInfo> iterinfos = new List <HessCoarseResiIterInfo>();

                for (int iter = lstNewIdxRemv.Length - 1; iter >= 0; iter--)
                {
                    //int[] ikeep = lstNewIdxRemv[iter].Item1;
                    int[] iremv = lstNewIdxRemv[iter].ToArray();
                    HDebug.Assert(H.ColBlockSize == H.RowBlockSize);
                    int blksize = H.ColBlockSize;
                    //HDebug.Assert(ikeep.Max() < blksize);
                    //HDebug.Assert(iremv.Max() < blksize);
                    //HDebug.Assert(iremv.Max()+1 == blksize);
                    //HDebug.Assert(iremv.Max() - iremv.Min() + 1 == iremv.Length);

                    int[] idxkeep = HEnum.HEnumFromTo(0, iremv.Min() - 1).ToArray();
                    int[] idxremv = HEnum.HEnumFromTo(iremv.Min(), iremv.Max()).ToArray();
                    //HDebug.Assert(idxkeep.HUnionWith(idxremv).Length == blksize);

                    HessCoarseResiIterInfo iterinfo = new HessCoarseResiIterInfo();
                    iterinfo.sizeHessBlkMat  = idxremv.Max() + 1; // H.ColBlockSize;
                    iterinfo.numAtomsRemoved = idxremv.Length;
                    iterinfo.time0           = DateTime.UtcNow;
                    {
                        //HessMatrix    A = H.SubMatrixByAtoms(false, idxkeep, idxkeep);
                        HessMatrix A = H;
                        //HessMatrix    B = H.SubMatrixByAtoms(false, idxkeep, idxremv);
                        HessMatrix C    = H.SubMatrixByAtoms(false, idxremv, idxkeep);
                        HessMatrix D    = H.SubMatrixByAtoms(false, idxremv, idxremv);
                        HessMatrix invD = new HessMatrixDense {
                            hess = ila.InvSymm(D)
                        };

                        // make B,C sparse
                        //int B_cntzero = B.MakeNearZeroBlockAsZero(thres_zeroblk);
                        iterinfo.numSetZeroBlock = C.MakeNearZeroBlockAsZero(thres_zeroblk);
                        //int B_nzeros = B.NumUsedBlocks; double B_nzeros_ = Math.Sqrt(B_nzeros);
                        iterinfo.numNonZeroBlock = C.NumUsedBlocks;

                        HessMatrix B        = C.Tr();
                        HessMatrix B_invD_C = B * invD * C;
                        iterinfo.numAddIgnrBlock = A.UpdateAdd(B_invD_C, -1, null, thres_zeroblk / lstNewIdxRemv.Length);
                        //HessMatrix nH = A - B_invD_C;
                        //nH = ((nH + nH.Tr())/2).ToHessMatrix();
                        H = A;
                    }
                    iterinfo.usedMemoryByte = GC.GetTotalMemory(false);
                    iterinfo.time1          = DateTime.UtcNow;
                    iterinfos.Add(iterinfo);

                    //System.Console.WriteLine(" - {0:000} : makezero {1,5}, nonzero {2,5}, numIgnMul {3,7}, numRemvAtoms {4,3}, {5,5:0.00} sec, {6} mb, {7}x{7}"
                    //                        , iter
                    //                        , iterinfo.numSetZeroBlock
                    //                        , iterinfo.numNonZeroBlock
                    //                        , iterinfo.numAddIgnrBlock
                    //                        , iterinfo.numAtomsRemoved
                    //                        , iterinfo.compSec
                    //                        , iterinfo.usedMemoryByte/(1024*1024)
                    //                        , (idxkeep.Length*3)
                    //                        );

                    GC.Collect();
                }

                int numca = H.ColBlockSize - lstNewIdxRemv.HListCount().Sum();

                //System.Console.WriteLine("finish coarse-graining");
                {
                    int[] idxkeep = HEnum.HEnumCount(numca).ToArray();
                    H = H.SubMatrixByAtoms(false, idxkeep, idxkeep, false);
                }
                {
                    H.MakeNearZeroBlockAsZero(thres_zeroblk);
                }
                GC.Collect();
                //System.Console.WriteLine("finish resizing");

                return(new CGetHessCoarseResiIterImpl
                {
                    iterinfos = iterinfos,
                    H = H,
                });
            }
            public static CGetHessCoarseResiIterImpl GetHessCoarseResiIterImpl_ILinAlg(HessMatrix H, List <int>[] lstNewIdxRemv, double thres_zeroblk, ILinAlg ila, bool cloneH)
            {
                if (cloneH)
                {
                    H = H.CloneHess();
                }

                bool process_disp_console = true;

                DateTime[] process_time = new DateTime[7];

                //System.Console.WriteLine("begin coarse-graining");
                List <HessCoarseResiIterInfo> iterinfos = new List <HessCoarseResiIterInfo>();

                for (int iter = lstNewIdxRemv.Length - 1; iter >= 0; iter--)
                {
                    if (process_disp_console)
                    {
                        process_time[0] = DateTime.UtcNow; System.Console.Write(" - {0:000} : ", iter);
                    }

                    //int[] ikeep = lstNewIdxRemv[iter].Item1;
                    int[] iremv = lstNewIdxRemv[iter].ToArray();
                    HDebug.Assert(H.ColBlockSize == H.RowBlockSize);
                    int blksize = H.ColBlockSize;
                    //HDebug.Assert(ikeep.Max() < blksize);
                    //HDebug.Assert(iremv.Max() < blksize);
                    //HDebug.Assert(iremv.Max()+1 == blksize);
                    //HDebug.Assert(iremv.Max() - iremv.Min() + 1 == iremv.Length);

                    int[] idxkeep = HEnum.HEnumFromTo(0, iremv.Min() - 1).ToArray();
                    int[] idxremv = HEnum.HEnumFromTo(iremv.Min(), iremv.Max()).ToArray();
                    //HDebug.Assert(idxkeep.HUnionWith(idxremv).Length == blksize);

                    HessCoarseResiIterInfo iterinfo = new HessCoarseResiIterInfo();
                    iterinfo.sizeHessBlkMat  = idxremv.Max() + 1; // H.ColBlockSize;
                    iterinfo.numAtomsRemoved = idxremv.Length;
                    iterinfo.time0           = DateTime.UtcNow;
                    double C_density0 = double.NaN;
                    double C_density1 = double.NaN;
                    {
                        //HessMatrix    A = H.SubMatrixByAtoms(false, idxkeep, idxkeep);
                        HessMatrix A = H;
                        //HessMatrix    B = H.SubMatrixByAtoms(false, idxkeep, idxremv);
                        HessMatrix C = H.SubMatrixByAtoms(false, idxremv, idxkeep);                                      if (process_disp_console)
                        {
                            process_time[1] = DateTime.UtcNow; System.Console.Write("C({0:00.00} min), ", (process_time[1] - process_time[0]).TotalMinutes);
                        }
                        HessMatrix D = H.SubMatrixByAtoms(false, idxremv, idxremv);                                      if (process_disp_console)
                        {
                            process_time[2] = DateTime.UtcNow; System.Console.Write("D({0:00.00} min), ", (process_time[2] - process_time[1]).TotalMinutes);
                        }
                        HessMatrix invD = new HessMatrixDense {
                            hess = ila.InvSymm(D)
                        };                                      if (process_disp_console)
                        {
                            process_time[3] = DateTime.UtcNow; System.Console.Write("invD({0:00.00} min), ", (process_time[3] - process_time[2]).TotalMinutes);
                        }

                        // make B,C sparse
                        //int B_cntzero = B.MakeNearZeroBlockAsZero(thres_zeroblk);
                        C_density0 = C.RatioUsedBlocks;
                        iterinfo.numSetZeroBlock = C.MakeNearZeroBlockAsZero(thres_zeroblk);                                if (process_disp_console)
                        {
                            process_time[4] = DateTime.UtcNow; System.Console.Write("sparseC({0:00.00} min), ", (process_time[4] - process_time[3]).TotalMinutes);
                        }
                        //int B_nzeros = B.NumUsedBlocks; double B_nzeros_ = Math.Sqrt(B_nzeros);
                        iterinfo.numNonZeroBlock = C.NumUsedBlocks;
                        C_density1 = C.RatioUsedBlocks;

                        HessMatrix B        = C.Tr();
                        HessMatrix B_invD_C = HessMatrix.GetMul(ila, B, invD, C); /* B * invD * C;*/ if (process_disp_console)
                        {
                            process_time[5] = DateTime.UtcNow; System.Console.Write("B.invD.C({0:00.00} min), ", (process_time[5] - process_time[4]).TotalMinutes);
                        }
                        iterinfo.numAddIgnrBlock = A.UpdateAdd(B_invD_C, -1, null, thres_zeroblk / lstNewIdxRemv.Length);     if (process_disp_console)
                        {
                            process_time[6] = DateTime.UtcNow; System.Console.Write("A+BinvDC({0:00.00} min), ", (process_time[6] - process_time[5]).TotalMinutes);
                        }
                        //HessMatrix nH = A - B_invD_C;
                        //nH = ((nH + nH.Tr())/2).ToHessMatrix();
                        H = A;
                    }
                    iterinfo.usedMemoryByte = GC.GetTotalMemory(false);
                    iterinfo.time1          = DateTime.UtcNow;
                    iterinfos.Add(iterinfo);

                    if (process_disp_console)
                    {
                        System.Console.WriteLine("summary(makezero {0,5}, nonzero {1,5}, numIgnMul {2,7}, numRemvAtoms {3,3}, {4,5:0.00} sec, {5} mb, {6}x{6}, nzeroBlk/Atom {7:0.00})"
                                                 , iterinfo.numSetZeroBlock
                                                 , iterinfo.numNonZeroBlock
                                                 , iterinfo.numAddIgnrBlock
                                                 , iterinfo.numAtomsRemoved
                                                 , iterinfo.compSec
                                                 , iterinfo.usedMemoryByte / (1024 * 1024)
                                                 , (idxkeep.Length * 3)
                                                 , ((double)iterinfo.numNonZeroBlock / idxremv.Length)
                                                 );
                    }

                    GC.Collect(0);
                }

                int numca = H.ColBlockSize - lstNewIdxRemv.HListCount().Sum();

                //System.Console.WriteLine("finish coarse-graining");
                {
                    int[] idxkeep = HEnum.HEnumCount(numca).ToArray();
                    H = H.SubMatrixByAtoms(false, idxkeep, idxkeep, false);
                }
                {
                    H.MakeNearZeroBlockAsZero(thres_zeroblk);
                }
                GC.Collect(0);
                //System.Console.WriteLine("finish resizing");

                return(new CGetHessCoarseResiIterImpl
                {
                    iterinfos = iterinfos,
                    H = H,
                });
            }
Example #7
0
            public static Vector[] GetRotate(Vector[] coords, Vector cent, int[] block)
            {
                throw new Exception("this implementation is wrong. Use the following algorithm to get rotation modes for RTB.");

                double[] io_mass = null;
                if (HDebug.IsDebuggerAttached)
                {
                    using (var temp = new HTempDirectory(@"K:\temp\", null))
                    {
                        temp.EnterTemp();
                        HFile.WriteAllText("rtbProjection.m", @"
function [P, xyz] = rtbProjection(xyz, mass)
% the approach is to find the inertia. compute the principal axes. and then use them to determine directly translation or rotation. 

n = size(xyz, 1); % n: the number of atoms
if nargin == 1
    mass = ones(n,1);
end

M = sum(mass);
% find the mass center.
m3 = repmat(mass, 1, 3);
center = sum (xyz.*m3)/M;
xyz = xyz - center(ones(n, 1), :);

mwX = sqrt (m3).*xyz;
inertia = sum(sum(mwX.^2))*eye(3) - mwX'*mwX;
[V,D] = eig(inertia);
tV = V'; % tV: transpose of V. Columns of V are principal axes. 
for i=1:3
    trans{i} = tV(ones(n,1)*i, :); % the 3 translations are along principal axes 
end
P = zeros(n*3, 6);
for i=1:3
    rotate{i} = cross(trans{i}, xyz);
    temp = mat2vec(trans{i});
    P(:,i) = temp/norm(temp);
    temp = mat2vec(rotate{i});
    P(:,i+3) = temp/norm(temp);
end
m3 = mat2vec(sqrt(m3));
P = repmat (m3(:),1,size(P,2)).*P;
% now normalize columns of P
P = P*diag(1./normMat(P,1));

function vec = mat2vec(mat)
% convert a matrix to a vector, extracting data *row-wise*.
vec = reshape(mat',1,prod(size(mat)));
");
                        Matlab.Execute("cd \'" + temp.dirinfo.FullName + "\'");
                        Matlab.PutMatrix("xyz", coords.ToMatrix(false));
                        Matlab.PutVector("mass", io_mass);
                        temp.QuitTemp();
                    }
                }

                HDebug.Assert(coords.Length == io_mass.Length);

                Vector mwcenter = new double[3];

                for (int i = 0; i < coords.Length; i++)
                {
                    mwcenter += (coords[i] * io_mass[i]);
                }
                mwcenter /= io_mass.Sum();

                Vector[] mwcoords = new Vector[coords.Length];
                for (int i = 0; i < coords.Length; i++)
                {
                    mwcoords[i] = (coords[i] - mwcenter) * io_mass[i];
                }

                Matrix mwPCA = new double[3, 3];

                for (int i = 0; i < coords.Length; i++)
                {
                    mwPCA += LinAlg.VVt(mwcoords[i], mwcoords[i]);
                }

                var V_D = LinAlg.Eig(mwPCA.ToArray());
                var V   = V_D.Item1;

                Vector[] rotvecs = new Vector[3];
                for (int i = 0; i < 3; i++)
                {
                    Vector   rotaxis = new double[] { V[0, i], V[1, i], V[2, i] };
                    Vector[] rotveci = new Vector[coords.Length];
                    for (int j = 0; j < coords.Length; j++)
                    {
                        rotveci[j] = LinAlg.CrossProd(rotaxis, mwcoords[i]);
                    }
                    rotvecs[i] = rotveci.ToVector().UnitVector();
                }

                if (HDebug.IsDebuggerAttached)
                {
                    double dot01 = LinAlg.VtV(rotvecs[0], rotvecs[1]);
                    double dot02 = LinAlg.VtV(rotvecs[0], rotvecs[2]);
                    double dot12 = LinAlg.VtV(rotvecs[1], rotvecs[2]);
                    HDebug.Assert(Math.Abs(dot01) < 0.0000001);
                    HDebug.Assert(Math.Abs(dot02) < 0.0000001);
                    HDebug.Assert(Math.Abs(dot12) < 0.0000001);
                }

                return(rotvecs);



                ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
                /// from song: rtbProjection.m
                ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
                /// function [P, xyz] = rtbProjection(xyz, mass)
                /// % the approach is to find the inertia. compute the principal axes. and then use them to determine directly translation or rotation.
                ///
                /// n = size(xyz, 1); % n: the number of atoms
                /// if nargin == 1
                ///     mass = ones(n,1);
                /// end
                ///
                /// M = sum(mass);
                /// % find the mass center.
                /// m3 = repmat(mass, 1, 3);
                /// center = sum (xyz.*m3)/M;
                /// xyz = xyz - center(ones(n, 1), :);
                ///
                /// mwX = sqrt (m3).*xyz;
                /// inertia = sum(sum(mwX.^2))*eye(3) - mwX'*mwX;
                /// [V,D] = eig(inertia);
                /// tV = V'; % tV: transpose of V. Columns of V are principal axes.
                /// for i=1:3
                ///     trans{i} = tV(ones(n,1)*i, :); % the 3 translations are along principal axes
                /// end
                /// P = zeros(n*3, 6);
                /// for i=1:3
                ///     rotate{i} = cross(trans{i}, xyz);
                ///     temp = mat2vec(trans{i});
                ///     P(:,i) = temp/norm(temp);
                ///     temp = mat2vec(rotate{i});
                ///     P(:,i+3) = temp/norm(temp);
                /// end
                /// m3 = mat2vec(sqrt(m3));
                /// P = repmat (m3(:),1,size(P,2)).*P;
                /// % now normalize columns of P
                /// P = P*diag(1./normMat(P,1));
                ///
                /// function vec = mat2vec(mat)
                /// % convert a matrix to a vector, extracting data *row-wise*.
                /// vec = reshape(mat',1,prod(size(mat)));
                ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////


                /// rotx[t_           ] := { { 1,0,0,0},{ 0,Cos[t],-Sin[t],0},{ 0,Sin[t],Cos[t],0},{ 0,0,0,1} };
                /// roty[t_           ] := { { Cos[t],0,Sin[t],0},{ 0,1,0,0},{ -Sin[t],0,Cos[t],0},{ 0,0,0,1} };
                /// rotz[t_           ] := { { Cos[t],-Sin[t],0,0},{ Sin[t],Cos[t],0,0},{ 0,0,1,0},{ 0,0,0,1} };
                /// tran[tx_, ty_, tz_] := { { 1,0,0,tx},{ 0,1,0,ty},{ 0,0,1,tz},{ 0,0,0,1} };
                /// pt                   = Transpose[{{px,py,pz,1}}];
                ///
                /// point  : (px,py,pz)
                /// center : (cx,cy,cz)
                /// angle  : t
                ///
                /// tran[cx, cy, cz].rotx[t].tran[-cx, -cy, -cz].pt           =    {{px}, {cy - cy Cos[t] + py Cos[t] + cz Sin[t] - pz Sin[t]}, {cz - cz Cos[t] + pz Cos[t] - cy Sin[t] + py Sin[t]}, {1}}
                /// tran[cx, cy, cz].roty[t].tran[-cx, -cy, -cz].pt           =    {{cx - cx Cos[t] + px Cos[t] - cz Sin[t] + pz Sin[t]}, {py}, {cz - cz Cos[t] + pz Cos[t] + cx Sin[t] - px Sin[t]}, {1}}
                /// tran[cx, cy, cz].rotz[t].tran[-cx, -cy, -cz].pt           =    {{cx - cx Cos[t] + px Cos[t] + cy Sin[t] - py Sin[t]}, {cy - cy Cos[t] + py Cos[t] - cx Sin[t] + px Sin[t]}, {pz}, {1}}
                ///
                /// D[tran[cx, cy, cz].rotx[t].tran[-cx, -cy, -cz].pt, t]     =    {{0}, {cz Cos[t] - pz Cos[t] + cy Sin[t] - py Sin[t]}, {-cy Cos[t] + py Cos[t] + cz Sin[t] - pz Sin[t]}, {0}}
                /// D[tran[cx, cy, cz].roty[t].tran[-cx, -cy, -cz].pt, t]     =    {{-cz Cos[t] + pz Cos[t] + cx Sin[t] - px Sin[t]}, {0}, {cx Cos[t] - px Cos[t] + cz Sin[t] - pz Sin[t]}, {0}}
                /// D[tran[cx, cy, cz].rotz[t].tran[-cx, -cy, -cz].pt, t]     =    {{cy Cos[t] - py Cos[t] + cx Sin[t] - px Sin[t]}, {-cx Cos[t] + px Cos[t] + cy Sin[t] - py Sin[t]}, {0}, {0}}
                ///
                /// D[tran[cx,cy,cz].rotx[a].tran[-cx,-cy,-cz].pt,a]/.a->0    =    {{0}, {cz - pz}, {-cy + py}, {0}}
                /// D[tran[cx,cy,cz].roty[a].tran[-cx,-cy,-cz].pt,a]/.a->0    =    {{-cz + pz}, {0}, {cx - px}, {0}}
                /// D[tran[cx,cy,cz].rotz[a].tran[-cx,-cy,-cz].pt,a]/.a->0    =    {{cy - py}, {-cx + px}, {0}, {0}}
                ///     rotx of atom (px,py,pz) with center (cx,cy,cz): {{0}, {cz - pz}, {-cy + py}, {0}}    =    { 0, cz - pz, -cy + py, 0 }    =>    {        0,  cz - pz, -cy + py }
                ///     rotx of atom (px,py,pz) with center (cx,cy,cz): {{-cz + pz}, {0}, {cx - px}, {0}}    =    { -cz + pz, 0, cx - px, 0 }    =>    { -cz + pz,        0,  cx - px }
                ///     rotx of atom (px,py,pz) with center (cx,cy,cz): {{cy - py}, {-cx + px}, {0}, {0}}    =    { cy - py, -cx + px, 0, 0 }    =>    {  cy - py, -cx + px,        0 }
                ///

                int leng = coords.Length;

                Vector[] rots;
                {
                    Vector[] rotbyx = new Vector[leng];
                    Vector[] rotbyy = new Vector[leng];
                    Vector[] rotbyz = new Vector[leng];

                    double cx = cent[0];
                    double cy = cent[1];
                    double cz = cent[2];
                    for (int i = 0; i < leng; i++)
                    {
                        double px = coords[i][0];
                        double py = coords[i][1];
                        double pz = coords[i][2];

                        rotbyx[i] = new double[] { 0, cz - pz, -cy + py };
                        rotbyy[i] = new double[] { -cz + pz, 0, cx - px };
                        rotbyz[i] = new double[] { cy - py, -cx + px, 0 };
                    }

                    rots = new Vector[]
                    {
                        rotbyx.ToVector().UnitVector(),
                            rotbyy.ToVector().UnitVector(),
                            rotbyz.ToVector().UnitVector(),
                    };
                }

                if (HDebug.IsDebuggerAttached)
                {
                    Vector[] rotbyx = new Vector[leng];
                    Vector[] rotbyy = new Vector[leng];
                    Vector[] rotbyz = new Vector[leng];

                    Vector zeros = new double[3];
                    for (int i = 0; i < leng; i++)
                    {
                        rotbyx[i] = rotbyy[i] = rotbyz[i] = zeros;
                    }

                    Vector rx = new double[3] {
                        1, 0, 0
                    };
                    Vector ry = new double[3] {
                        0, 1, 0
                    };
                    Vector rz = new double[3] {
                        0, 0, 1
                    };

                    Func <Vector, Vector, Vector> GetTangent = delegate(Vector pt, Vector axisdirect)
                    {
                        /// Magnitude of rotation tangent is proportional to the distance from the point to the axis.
                        /// Ex) when a point is in x-axis (r,0), rotating along z-axis by θ is: (r*sin(θ), 0)
                        ///
                        ///  |
                        ///  |                 ^ sin(θ)
                        ///  |                 |
                        /// -+-----------------r----------
                        ///
                        Vector rot1 = cent;
                        Vector rot2 = cent + axisdirect;
                        double dist = Geometry.DistancePointLine(pt, rot1, rot2);
                        Vector tan  = Geometry.RotateTangentUnit(pt, rot1, rot2) * dist;
                        return(tan);
                    };

                    IEnumerable <int> enumblock = block;
                    if (block != null)
                    {
                        enumblock = block;
                    }
                    else
                    {
                        enumblock = HEnum.HEnumCount(leng);
                    }
                    foreach (int i in enumblock)
                    {
                        Vector pt = coords[i];
                        rotbyx[i] = GetTangent(pt, rx);
                        rotbyy[i] = GetTangent(pt, ry);
                        rotbyz[i] = GetTangent(pt, rz);
                    }

                    Vector[] trots = new Vector[3]
                    {
                        rotbyx.ToVector().UnitVector(),
                             rotbyy.ToVector().UnitVector(),
                             rotbyz.ToVector().UnitVector(),
                    };

                    double test0 = LinAlg.VtV(rots[0], trots[0]);
                    double test1 = LinAlg.VtV(rots[1], trots[1]);
                    double test2 = LinAlg.VtV(rots[2], trots[2]);
                    HDebug.Assert(Math.Abs(test0 - 1) < 0.00000001);
                    HDebug.Assert(Math.Abs(test1 - 1) < 0.00000001);
                    HDebug.Assert(Math.Abs(test2 - 1) < 0.00000001);
                }
                return(rots);
            }
Example #8
0
            public static Vector[] ToOrthonormal(Vector[] coords, double[] masses, int[] block, Vector[] PBlk)
            {
                if (HDebug.IsDebuggerAttached)
                #region check if elements in non-block are zeros.
                {
                    int leng = coords.Length;
                    foreach (int i in HEnum.HEnumCount(leng).HEnumExcept(block.HToHashSet()))
                    {
                        for (int r = 0; r < PBlk.Length; r++)
                        {
                            int c0 = i * 3;
                            HDebug.Assert(PBlk[r][c0 + 0] == 0);
                            HDebug.Assert(PBlk[r][c0 + 1] == 0);
                            HDebug.Assert(PBlk[r][c0 + 2] == 0);
                        }
                    }
                }
                #endregion

                Matrix Pmat = new double[block.Length * 3, PBlk.Length];
                for (int r = 0; r < PBlk.Length; r++)
                {
                    for (int i = 0; i < block.Length; i++)
                    {
                        int i0 = i * 3;
                        int c0 = block[i] * 3;
                        Pmat[i0 + 0, r] = PBlk[r][c0 + 0];
                        Pmat[i0 + 1, r] = PBlk[r][c0 + 1];
                        Pmat[i0 + 2, r] = PBlk[r][c0 + 2];
                    }
                }

                using (new Matlab.NamedLock(""))
                {
                    Matlab.PutValue("n", PBlk.Length);
                    Matlab.PutMatrix("P", Pmat);
                    Matlab.Execute("[U,S,V] = svd(P);");
                    Matlab.Execute("U = U(:,1:n);");
                    if (HDebug.IsDebuggerAttached)
                    {
                        Matlab.Execute("SV = S(1:n,1:n)*V';");
                        double err = Matlab.GetValue("max(max(abs(P - U*SV)))");
                        HDebug.Assert(Math.Abs(err) < 0.00000001);
                    }
                    Pmat = Matlab.GetMatrix("U");
                }

                Vector[] PBlkOrth = new Vector[PBlk.Length];
                for (int r = 0; r < PBlk.Length; r++)
                {
                    Vector PBlkOrth_r = new double[PBlk[r].Size];
                    for (int i = 0; i < block.Length; i++)
                    {
                        int i0 = i * 3;
                        int c0 = block[i] * 3;
                        PBlkOrth_r[c0 + 0] = Pmat[i0 + 0, r];
                        PBlkOrth_r[c0 + 1] = Pmat[i0 + 1, r];
                        PBlkOrth_r[c0 + 2] = Pmat[i0 + 2, r];
                    }
                    PBlkOrth[r] = PBlkOrth_r;
                }

                if (HDebug.IsDebuggerAttached)
                #region checi the orthonormal condition, and rot/trans condition (using ANM)
                {
                    {   // check if all trans/rot modes are orthonormal
                        for (int i = 0; i < PBlkOrth.Length; i++)
                        {
                            HDebug.Exception(Math.Abs(PBlkOrth[i].Dist - 1) < 0.00000001);
                            for (int j = i + 1; j < PBlkOrth.Length; j++)
                            {
                                double dot = LinAlg.VtV(PBlkOrth[i], PBlkOrth[j]);
                                HDebug.Exception(Math.Abs(dot) < 0.00000001);
                            }
                        }
                    }
                    {   // check if this is true rot/trans modes using ANM
                        Vector[] anmcoords = coords.HClone();
                        int      leng      = coords.Length;
                        foreach (int i in HEnum.HEnumCount(leng).HEnumExcept(block.HToHashSet()))
                        {
                            anmcoords[i] = null;
                        }
                        HessMatrix H = GetHessAnm(anmcoords, 100);
                        Matrix     PHP;
                        using (new Matlab.NamedLock(""))
                        {
                            Matlab.PutSparseMatrix("H", H.GetMatrixSparse(), 3, 3);
                            Matlab.PutMatrix("P", PBlkOrth.ToMatrix(true));
                            PHP = Matlab.GetMatrix("P'*H*P");
                        }
                        double maxerr = PHP.HAbsMax();
                        HDebug.Exception(Math.Abs(maxerr) < 0.00000001);
                    }
                }
                #endregion

                return(PBlkOrth);
            }
Example #9
0
            public static HessInfoCoarseResiIter GetHessCoarseResiIter
                (Hess.HessInfo hessinfo
                , Vector[] coords
                , FuncGetIdxKeepListRemv GetIdxKeepListRemv
                , ILinAlg ila
                , double thres_zeroblk = 0.001
                , IterOption iteropt   = IterOption.Matlab_experimental
                , string[] options     = null
                )
            {
                bool rediag = true;

                HessMatrix H = null;

                List <int>[] lstNewIdxRemv = null;
                int          numca         = 0;

                double[] reMass   = null;
                object[] reAtoms  = null;
                Vector[] reCoords = null;
                Tuple <int[], int[][]> idxKeepRemv = null;

                //System.Console.WriteLine("begin re-indexing hess");
                {
                    object[] atoms = hessinfo.atoms;
                    idxKeepRemv = GetIdxKeepListRemv(atoms, coords);
                    int[]   idxKeep  = idxKeepRemv.Item1;
                    int[][] idxsRemv = idxKeepRemv.Item2;
                    {
                        List <int> check = new List <int>();
                        check.AddRange(idxKeep);
                        foreach (int[] idxRemv in idxsRemv)
                        {
                            check.AddRange(idxRemv);
                        }
                        check = check.HToHashSet().ToList();
                        if (check.Count != coords.Length)
                        {
                            throw new Exception("the re-index contains the duplicated atoms or the missing atoms");
                        }
                    }
                    List <int> idxs = new List <int>();
                    idxs.AddRange(idxKeep);
                    foreach (int[] idxRemv in idxsRemv)
                    {
                        idxs.AddRange(idxRemv);
                    }
                    HDebug.Assert(idxs.Count == idxs.HToHashSet().Count);

                    H        = hessinfo.hess.ReshapeByAtom(idxs);
                    numca    = idxKeep.Length;
                    reMass   = hessinfo.mass.ToArray().HSelectByIndex(idxs);
                    reAtoms  = hessinfo.atoms.ToArray().HSelectByIndex(idxs);
                    reCoords = coords.HSelectByIndex(idxs);

                    int nidx = idxKeep.Length;
                    lstNewIdxRemv = new List <int> [idxsRemv.Length];
                    for (int i = 0; i < idxsRemv.Length; i++)
                    {
                        lstNewIdxRemv[i] = new List <int>();
                        foreach (var idx in idxsRemv[i])
                        {
                            lstNewIdxRemv[i].Add(nidx);
                            nidx++;
                        }
                    }
                    HDebug.Assert(nidx == lstNewIdxRemv.Last().Last() + 1);
                    HDebug.Assert(nidx == idxs.Count);
                }
                GC.Collect(0);
                HDebug.Assert(numca == H.ColBlockSize - lstNewIdxRemv.HListCount().Sum());

                //if(bool.Parse("false"))
                {
                    if (bool.Parse("false"))
                    #region
                    {
                        int[]      idxKeep  = idxKeepRemv.Item1;
                        int[][]    idxsRemv = idxKeepRemv.Item2;
                        Pdb.Atom[] pdbatoms = hessinfo.atomsAsUniverseAtom.ListPdbAtoms();
                        Pdb.ToFile(@"C:\temp\coarse-keeps.pdb", pdbatoms.HSelectByIndex(idxKeep), false);
                        if (HFile.Exists(@"C:\temp\coarse-graining.pdb"))
                        {
                            HFile.Delete(@"C:\temp\coarse-graining.pdb");
                        }
                        foreach (int[] idxremv in idxsRemv.Reverse())
                        {
                            List <Pdb.Element> delatoms = new List <Pdb.Element>();
                            foreach (int idx in idxremv)
                            {
                                if (pdbatoms[idx] == null)
                                {
                                    continue;
                                }
                                string   line    = pdbatoms[idx].GetUpdatedLine(coords[idx]);
                                Pdb.Atom delatom = Pdb.Atom.FromString(line);
                                delatoms.Add(delatom);
                            }
                            Pdb.ToFile(@"C:\temp\coarse-graining.pdb", delatoms.ToArray(), true);
                        }
                    }
                    #endregion

                    if (bool.Parse("false"))
                    #region
                    {
                        // export matrix to matlab, so the matrix can be checked in there.
                        int[] idxca  = HEnum.HEnumCount(numca).ToArray();
                        int[] idxoth = HEnum.HEnumFromTo(numca, coords.Length - 1).ToArray();
                        Matlab.Register(@"C:\temp\");
                        Matlab.PutSparseMatrix("H", H.GetMatrixSparse(), 3, 3);
                        Matlab.Execute("figure; spy(H)");
                        Matlab.Clear();
                    }
                    #endregion

                    if (bool.Parse("false"))
                    #region
                    {
                        HDirectory.CreateDirectory(@"K:\temp\$coarse-graining\");
                        {   // export original hessian matrix
                            List <int> cs = new List <int>();
                            List <int> rs = new List <int>();
                            foreach (ValueTuple <int, int, MatrixByArr> bc_br_bval in hessinfo.hess.EnumBlocks())
                            {
                                cs.Add(bc_br_bval.Item1);
                                rs.Add(bc_br_bval.Item2);
                            }
                            Matlab.Clear();
                            Matlab.PutVector("cs", cs.ToArray());
                            Matlab.PutVector("rs", rs.ToArray());
                            Matlab.Execute("hess = sparse(cs+1, rs+1, ones(size(cs)));");
                            Matlab.Execute("hess = float(hess);");
                            Matlab.Execute("figure; spy(hess)");
                            Matlab.Execute("cs = int32(cs+1);");
                            Matlab.Execute("rs = int32(rs+1);");
                            Matlab.Execute(@"save('K:\temp\$coarse-graining\hess-original.mat', 'cs', 'rs', '-v6');");
                            Matlab.Clear();
                        }
                        {   // export reshuffled hessian matrix
                            List <int> cs = new List <int>();
                            List <int> rs = new List <int>();
                            foreach (ValueTuple <int, int, MatrixByArr> bc_br_bval in H.EnumBlocks())
                            {
                                cs.Add(bc_br_bval.Item1);
                                rs.Add(bc_br_bval.Item2);
                            }
                            Matlab.Clear();
                            Matlab.PutVector("cs", cs.ToArray());
                            Matlab.PutVector("rs", rs.ToArray());
                            Matlab.Execute("H = sparse(cs+1, rs+1, ones(size(cs)));");
                            Matlab.Execute("H = float(H);");
                            Matlab.Execute("figure; spy(H)");
                            Matlab.Execute("cs = int32(cs+1);");
                            Matlab.Execute("rs = int32(rs+1);");
                            Matlab.Execute(@"save('K:\temp\$coarse-graining\hess-reshuffled.mat', 'cs', 'rs', '-v6');");
                            Matlab.Clear();
                        }
                    }
                    #endregion

                    if (bool.Parse("false"))
                    #region
                    {
                        int[] idxca  = HEnum.HEnumCount(numca).ToArray();
                        int[] idxoth = HEnum.HEnumFromTo(numca, coords.Length - 1).ToArray();

                        HessMatrix A = H.SubMatrixByAtoms(false, idxca, idxca);
                        HessMatrix B = H.SubMatrixByAtoms(false, idxca, idxoth);
                        HessMatrix C = H.SubMatrixByAtoms(false, idxoth, idxca);
                        HessMatrix D = H.SubMatrixByAtoms(false, idxoth, idxoth);
                        Matlab.Clear();
                        Matlab.PutSparseMatrix("A", A.GetMatrixSparse(), 3, 3);
                        Matlab.PutSparseMatrix("B", B.GetMatrixSparse(), 3, 3);
                        Matlab.PutSparseMatrix("C", C.GetMatrixSparse(), 3, 3);
                        Matlab.PutSparseMatrix("D", D.GetMatrixSparse(), 3, 3);
                        Matlab.Clear();
                    }
                    #endregion
                }

                List <HessCoarseResiIterInfo> iterinfos = null;
                {
                    object[] atoms = reAtoms; // reAtoms.HToType(null as Universe.Atom[]);
                    CGetHessCoarseResiIterImpl info = null;
                    switch (iteropt)
                    {
                    case IterOption.ILinAlg_20150329: info = GetHessCoarseResiIterImpl_ILinAlg_20150329(H, lstNewIdxRemv, thres_zeroblk, ila, false);                    break;

                    case IterOption.ILinAlg: info = GetHessCoarseResiIterImpl_ILinAlg(H, lstNewIdxRemv, thres_zeroblk, ila, false);                             break;

                    case IterOption.Matlab: info = GetHessCoarseResiIterImpl_Matlab(atoms, H, lstNewIdxRemv, thres_zeroblk, ila, false, options);              break;

                    case IterOption.Matlab_experimental: info = GetHessCoarseResiIterImpl_Matlab_experimental(atoms, H, lstNewIdxRemv, thres_zeroblk, ila, false, options); break;

                    case IterOption.Matlab_IterLowerTri: info = GetHessCoarseResiIterImpl_Matlab_IterLowerTri(atoms, H, lstNewIdxRemv, thres_zeroblk, ila, false, options); break;

                    case IterOption.LinAlg_IterLowerTri: info = GetHessCoarseResiIterImpl_LinAlg_IterLowerTri.Do(atoms, H, lstNewIdxRemv, thres_zeroblk, ila, false, options); break;
                    }
                    ;
                    H         = info.H;
                    iterinfos = info.iterinfos;
                }
                //{
                //    var info = GetHessCoarseResiIterImpl_Matlab(H, lstNewIdxRemv, thres_zeroblk);
                //    H = info.H;
                //}
                GC.Collect(0);

                if (HDebug.IsDebuggerAttached)
                {
                    int   nidx  = 0;
                    int[] ikeep = idxKeepRemv.Item1;
                    foreach (int idx in ikeep)
                    {
                        bool equal = object.ReferenceEquals(hessinfo.atoms[idx], reAtoms[nidx]);
                        if (equal == false)
                        {
                            HDebug.Assert(false);
                        }
                        HDebug.Assert(equal);
                        nidx++;
                    }
                }

                if (rediag)
                {
                    H = H.CorrectHessDiag();
                }
                //System.Console.WriteLine("finish fixing diag");

                return(new HessInfoCoarseResiIter
                {
                    hess = H,
                    mass = reMass.HSelectCount(numca),
                    atoms = reAtoms.HSelectCount(numca),
                    coords = reCoords.HSelectCount(numca),
                    numZeroEigval = 6,
                    iterinfos = iterinfos,
                });
            }
Example #10
0
            public static CGetHessCoarseResiIterImpl GetHessCoarseResiIterImpl_Matlab_experimental
                (object[] atoms
                , HessMatrix H
                , List <int>[] lstNewIdxRemv
                , double thres_zeroblk
                , ILinAlg ila
                , bool cloneH
                , string[] options
                )
            {
                ila = null;
                if (cloneH)
                {
                    H = H.CloneHess();
                }

                bool process_disp_console = true;

                if (options != null && options.Contains("print process"))
                {
                    process_disp_console = true;
                }

                bool parallel = true;

                GC.Collect(0);

                DateTime[] process_time = new DateTime[6];

                //System.Console.WriteLine("begin coarse-graining");
                List <HessCoarseResiIterInfo> iterinfos = new List <HessCoarseResiIterInfo>();

                for (int iter = lstNewIdxRemv.Length - 1; iter >= 0; iter--)
                {
                    if (process_disp_console)
                    {
                        process_time[0] = DateTime.UtcNow;
                        System.Console.Write(" - {0:000} : ", iter);
                    }

                    //int[] ikeep = lstNewIdxRemv[iter].Item1;
                    int[] iremv = lstNewIdxRemv[iter].ToArray();
                    HDebug.Assert(H.ColBlockSize == H.RowBlockSize);
                    int blksize = H.ColBlockSize;
                    //HDebug.Assert(ikeep.Max() < blksize);
                    //HDebug.Assert(iremv.Max() < blksize);
                    //HDebug.Assert(iremv.Max()+1 == blksize);
                    //HDebug.Assert(iremv.Max() - iremv.Min() + 1 == iremv.Length);

                    int[] idxkeep = HEnum.HEnumFromTo(0, iremv.Min() - 1).ToArray();
                    int[] idxremv = HEnum.HEnumFromTo(iremv.Min(), iremv.Max()).ToArray();
                    //HDebug.Assert(idxkeep.HUnionWith(idxremv).Length == blksize);

                    HessCoarseResiIterInfo iterinfo = new HessCoarseResiIterInfo();
                    iterinfo.sizeHessBlkMat  = idxremv.Max() + 1; // H.ColBlockSize;
                    iterinfo.numAtomsRemoved = idxremv.Length;
                    iterinfo.time0           = DateTime.UtcNow;
                    double C_density0 = double.NaN;
                    double C_density1 = double.NaN;
                    {
                        //HessMatrix    A = H.SubMatrixByAtoms(false, idxkeep, idxkeep);
                        HessMatrix A = H;
                        //HessMatrix    B = H.SubMatrixByAtoms(false, idxkeep, idxremv);

                        HessMatrix C, D;
                        /// HessMatrix    C = H.SubMatrixByAtoms(false, idxremv, idxkeep, parallel:parallel);
                        /// HessMatrix    D = H.SubMatrixByAtoms(false, idxremv, idxremv, parallel:parallel);
                        {
                            C = H.Zeros(idxremv.Length * 3, idxkeep.Length * 3);
                            D = H.Zeros(idxremv.Length * 3, idxremv.Length * 3);
                            int iremv_min = iremv.Min();
                            int iremv_max = iremv.Max();

                            foreach (var bc_br_bval in H.EnumBlocksInCols(idxremv))
                            {
                                int bc   = bc_br_bval.Item1;
                                int br   = bc_br_bval.Item2;
                                var bval = bc_br_bval.Item3;


                                if (bc > iremv_max)
                                {
                                    continue;
                                }
                                if (br > iremv_max)
                                {
                                    continue;
                                }
                                if (br < iremv_min)
                                {
                                    int nc = bc - iremv_min;
                                    int nr = br;
                                    C.SetBlock(nc, nr, bval.CloneT());
                                }
                                else
                                {
                                    int nc = bc - iremv_min;
                                    int nr = br - iremv_min;
                                    D.SetBlock(nc, nr, bval.CloneT());
                                }
                            }
                        }
                        if (process_disp_console)
                        {
                            process_time[1] = process_time[2] = DateTime.UtcNow;
                            System.Console.Write("CD({0:00.00} min), ", (process_time[2] - process_time[0]).TotalMinutes);
                        }

                        // make B,C sparse
                        //int B_cntzero = B.MakeNearZeroBlockAsZero(thres_zeroblk);
                        C_density0 = C.RatioUsedBlocks;
                        /// iterinfo.numSetZeroBlock = C.MakeNearZeroBlockAsZero(thres_zeroblk);
                        {
                            double thres_absmax = thres_zeroblk;

                            List <Tuple <int, int> > lstIdxToMakeZero = new List <Tuple <int, int> >();
                            foreach (var bc_br_bval in C.EnumBlocks())
                            {
                                int    bc          = bc_br_bval.Item1;
                                int    br          = bc_br_bval.Item2;
                                var    bval        = bc_br_bval.Item3;
                                double absmax_bval = bval.HAbsMax();
                                if (absmax_bval < thres_absmax)
                                {
                                    lstIdxToMakeZero.Add(new Tuple <int, int>(bc, br));
                                }
                            }
                            foreach (var bc_br in lstIdxToMakeZero)
                            {
                                int cc   = bc_br.Item1;
                                int cr   = bc_br.Item2;
                                var Cval = C.GetBlock(cc, cr);
                                C.SetBlock(cc, cr, null);
                                var Dval = D.GetBlock(cc, cc);              // nCval = Cval    -Cval
                                D.SetBlock(cc, cc, Dval + Cval);            // nDval = Dval - (-Cval) = Dval + Cval
                                int bc   = cr;
                                int br   = cc;
                                var Bval = Cval.Tr();
                                var Aval = A.GetBlock(bc, bc);              // nBval = Bval    -Bval
                                A.SetBlock(bc, bc, Aval + Bval);            // nAval = Aval - (-Bval) = Aval + Bval
                            }
                            iterinfo.numSetZeroBlock = lstIdxToMakeZero.Count;
                        }
                        //int B_nzeros = B.NumUsedBlocks; double B_nzeros_ = Math.Sqrt(B_nzeros);
                        iterinfo.numNonZeroBlock = C.NumUsedBlocks;
                        C_density1 = C.RatioUsedBlocks;


                        HessMatrix B_invD_C = Get_BInvDC(A, C, D, process_disp_console
                                                         , options
                                                         , parallel: parallel
                                                         );
                        if (process_disp_console)
                        {
                            process_time[4] = DateTime.UtcNow;
                            System.Console.Write("B.invD.C({0:00.00} min), ", (process_time[4] - process_time[3]).TotalMinutes);
                        }

                        /// iterinfo.numAddIgnrBlock = A.UpdateAdd(B_invD_C, -1, null, thres_zeroblk/lstNewIdxRemv.Length, parallel:parallel);
                        {
                            HessMatrix _this = A;
                            HessMatrix other = B_invD_C;
                            double     thres_NearZeroBlock = thres_zeroblk / lstNewIdxRemv.Length;

                            int count         = 0;
                            int count_ignored = 0;
                            foreach (var bc_br_bval in other.EnumBlocks())
                            {
                                count++;
                                int         bc         = bc_br_bval.Item1;
                                int         br         = bc_br_bval.Item2;
                                MatrixByArr other_bmat = bc_br_bval.Item3;
                                if (other_bmat.HAbsMax() <= thres_NearZeroBlock)
                                {
                                    // other_bmat = other_bmat    -other_bmat;
                                    // other_diag = other_diag - (-other_bmat) = other_diag + other_bmat;
                                    //  this_diag =  this_diat - B_invD_C
                                    //            =  this_diat - other_diag
                                    //            =  this_diat - (other_diag + other_bmat)
                                    //            =  this_diat - other_diag  - other_bmat
                                    //            = (this_diat - other_bmat) - other_diag
                                    //            = (this_diat - other_bmat) - (processed later)
                                    //            = (this_diat - other_bmat)
                                    MatrixByArr this_diag = _this.GetBlock(bc, bc);
                                    MatrixByArr new_diag  = this_diag - other_bmat;
                                    _this.SetBlock(bc, bc, new_diag);
                                    other_bmat = null;
                                    count_ignored++;
                                }
                                if (other_bmat != null)
                                {
                                    MatrixByArr this_bmat = _this.GetBlock(bc, br);
                                    MatrixByArr new_bmat  = this_bmat - other_bmat;
                                    _this.SetBlock(bc, br, new_bmat);
                                }
                            }
                            iterinfo.numAddIgnrBlock = count_ignored;
                        }
                        //HessMatrix nH = A - B_invD_C;
                        //nH = ((nH + nH.Tr())/2).ToHessMatrix();
                        H = A;
                    }
                    iterinfo.usedMemoryByte = GC.GetTotalMemory(false);
                    iterinfo.time1          = DateTime.UtcNow;
                    iterinfos.Add(iterinfo);

                    if (process_disp_console)
                    {
                        System.Console.WriteLine("summary(makezero {0,5}, nonzero {1,5}, numIgnMul {2,7}, numRemvAtoms {3,3}, {4,5:0.00} sec, {5} mb, {6}x{6}, nzeroBlk/Atom {7:0.00})"
                                                 , iterinfo.numSetZeroBlock
                                                 , iterinfo.numNonZeroBlock
                                                 , iterinfo.numAddIgnrBlock
                                                 , iterinfo.numAtomsRemoved
                                                 , iterinfo.compSec
                                                 , iterinfo.usedMemoryByte / (1024 * 1024)
                                                 , (idxkeep.Length * 3)
                                                 , ((double)iterinfo.numNonZeroBlock / idxremv.Length)
                                                 );
                    }

                    GC.Collect(0);
                }

                int numca = H.ColBlockSize - lstNewIdxRemv.HListCount().Sum();

                //System.Console.WriteLine("finish coarse-graining");
                {
                    int[] idxkeep = HEnum.HEnumCount(numca).ToArray();
                    H = H.SubMatrixByAtoms(false, idxkeep, idxkeep, false);
                }
                {
                    H.MakeNearZeroBlockAsZero(thres_zeroblk);
                }
                GC.Collect(0);
                //System.Console.WriteLine("finish resizing");

                return(new CGetHessCoarseResiIterImpl
                {
                    iterinfos = iterinfos,
                    H = H,
                });
            }
Example #11
0
        public int UpdateAdd(HessMatrix other, double mul_other, IList <int> idxOther, double thres_NearZeroBlock, bool parallel = false)
        {
            Matrix debug_updateadd = null;

            if (UpdateAdd_SelfTest && idxOther == null && thres_NearZeroBlock == 0)
            {
                if ((100 < ColBlockSize) && (ColBlockSize < 1000) &&
                    (100 < RowBlockSize) && (RowBlockSize < 1000) &&
                    (other.NumUsedBlocks > 20))
                {
                    UpdateAdd_SelfTest = false;
                    debug_updateadd    = this.ToArray();
                    debug_updateadd.UpdateAdd(other, mul_other);
                }
            }

            int[] idx_other;
            if (idxOther == null)
            {
                //HDebug.Exception(ColSize == other.ColSize);
                //HDebug.Exception(RowSize == other.RowSize);
                idx_other = HEnum.HEnumCount(other.ColSize).ToArray();
            }
            else
            {
                idx_other = idxOther.ToArray();
            }

            int count         = 0;
            int count_ignored = 0;

            object _lock         = new object();
            object _lock_ignored = new object();
            Action <ValueTuple <int, int, MatrixByArr> > func = delegate(ValueTuple <int, int, MatrixByArr> bc_br_bval)
            {
                count++;
                int         other_bc   = bc_br_bval.Item1;
                int         other_br   = bc_br_bval.Item2;
                MatrixByArr other_bmat = bc_br_bval.Item3;
                if (other_bmat.HAbsMax() <= thres_NearZeroBlock)
                {
                    lock (_lock_ignored)
                        count_ignored++;
                    //continue;
                    return;
                }
                int bc = idx_other[other_bc];
                int br = idx_other[other_br];
                lock (_lock)
                {
                    MatrixByArr this_bmat = GetBlock(bc, br);
                    MatrixByArr new_bmat;
                    if (this_bmat == null)
                    {
                        if (other_bmat == null)
                        {
                            new_bmat = null;
                        }
                        else
                        {
                            new_bmat = mul_other * other_bmat;
                        }
                    }
                    else
                    {
                        if (other_bmat == null)
                        {
                            new_bmat = this_bmat.CloneT();
                        }
                        else
                        {
                            new_bmat = this_bmat + mul_other * other_bmat;
                        }
                    }
                    SetBlock(bc, br, new_bmat);
                }
            };

            if (parallel)
            {
                Parallel.ForEach(other.EnumBlocks(), func);
            }
            else
            {
                foreach (var bc_br_bval in other.EnumBlocks())
                {
                    func(bc_br_bval);
                }
            }

            if (debug_updateadd != null)
            {
                Matrix debug_diff   = debug_updateadd - this;
                double debug_absmax = debug_diff.HAbsMax();
                HDebug.AssertToleranceMatrix(0, debug_diff);
            }

            return(count_ignored);
        }
Example #12
0
            public static MixHessInfo GetHessMixModel(Universe univ, IList <Vector> coords, ILinAlg la
                                                      , IList <ResInfo> lstResAllAtom, FnGetHess GetHess, out string errmsg
                                                      , bool bGetIntmInfo, string strBkbnReso
                                                      )
            {
                FnGetHess lGetHess = delegate(Universe luniv, IList <Vector> lcoords, int[] lidxAll, int[] lidxBuffer, int[] lidxCoarse, int[] idxBackbone)
                {
                    // double check if all three indices are disjoint
                    HDebug.Assert(lidxAll.HUnion().Length == lidxAll.Length);
                    HDebug.Assert(lidxBuffer.HUnion().Length == lidxBuffer.Length);
                    HDebug.Assert(lidxCoarse.HUnion().Length == lidxCoarse.Length);
                    HDebug.Assert(lidxAll.HListCommonT(lidxBuffer).Count == 0);
                    HDebug.Assert(lidxBuffer.HListCommonT(lidxCoarse).Count == 0);
                    HDebug.Assert(lidxCoarse.HListCommonT(lidxAll).Count == 0);
                    if (HDebug.IsDebuggerAttached)
                    {
                        foreach (int idx in lidxAll)
                        {
                            HDebug.Assert(lcoords[idx] != null);
                        }
                        foreach (int idx in lidxBuffer)
                        {
                            HDebug.Assert(lcoords[idx] != null);
                        }
                        foreach (int idx in lidxCoarse)
                        {
                            HDebug.Assert(lcoords[idx] != null);
                        }
                    }

                    var hessinfo = GetHess(luniv, lcoords, lidxAll, lidxBuffer, lidxCoarse, idxBackbone);
                    return(hessinfo);
                };

                bool   bVerifySteps = false; // HDebug.IsDebuggerAttached;
                Vector bfactorFull  = null;

                if (bVerifySteps && HDebug.IsDebuggerAttached)
                {
                    int[] idxAll       = HEnum.HEnumCount(coords.Count).ToArray();
                    var   hessinfo     = lGetHess(univ, coords, idxAll, new int[0], new int[0], new int[0]);
                    var   modes        = hessinfo.GetModesMassReduced();
                    var   modesPosZero = modes.SeparateTolerants();
                    HDebug.Assert(modesPosZero.Item2.Length == 6);
                    bfactorFull = modesPosZero.Item1.GetBFactor().ToArray();
                }

                IList <Pdb.Atom> pdbatoms = univ.atoms.ListPdbAtoms();

                ResInfo[] resinfos = pdbatoms.ListResInfo(true);

                int[] idxCa;   // idxs of Ca atoms
                int[] idxBkbn; // idxs of backbone atoms
                int[] idxSele; // idxs of all atoms of lstResAllAtom (selected)
                int[] idxCntk; // idxs of all atoms contacting idxSele
                {
                    string[] nameBkbn;
                    switch (strBkbnReso)
                    {
                    case "NCaC": nameBkbn = new string[] { "N", "CA", "C" }; break;

                    case "NCaC-O": nameBkbn = new string[] { "N", "CA", "C", "O" }; break;

                    case "NCaC-OHn": nameBkbn = new string[] { "N", "CA", "C", "O", "HN" }; break;

                    case "NCaC-O-Ha": nameBkbn = new string[] { "N", "CA", "C", "O", "HA" }; break;

                    case "NCaC-OHn-HaCb": nameBkbn = new string[] { "N", "CA", "C", "O", "HN", "HA", "CB" }; break;

                    default: throw new NotImplementedException();
                    }

                    idxCa = univ.atoms.ListPdbAtoms().IdxByName(true, "CA");
                    //idxBkbn = univ.atoms.ListPdbAtoms().IdxByName(true, "N", "CA", "C", "O", "HA");
                    idxBkbn = univ.atoms.ListPdbAtoms().IdxByName(true, nameBkbn);

                    idxSele = resinfos.HIdxEqual(ResInfo.Equals, lstResAllAtom.ToArray());
                    Vector[] coordSele = coords.HSelectByIndex(idxSele);

                    int[]     idxCtof = coords.HIdxWithinCutoff(4.5, coordSele);
                    ResInfo[] resCtof = resinfos.HSelectByIndex(idxCtof);
                    resCtof = resCtof.HUnion();                                                 // remove redundant residues
                    resCtof = resCtof.HRemoveAll(lstResAllAtom.ToArray()).ToArray();            // remove active site residues
                    idxCntk = resinfos.HIdxEqual(ResInfo.Equals, resCtof);

                    bool plot = false;
                    if (plot)
                    #region verify by plotting
                    {
                        Pdb.ToFile(@"C:\temp\mix.pdb", pdbatoms, coords);
                        Pymol.Py.CgoOld.WriteBlank(@"C:\temp\mix.py", false);
                        Pymol.Py.CgoOld.WriteSphere(@"C:\temp\mix.py", "Ca", coords.HSelectByIndex(idxCa).HRemoveAllNull(), 0.3);
                        Pymol.Py.CgoOld.WriteSphere(@"C:\temp\mix.py", "backbone", coords.HSelectByIndex(idxBkbn).HRemoveAllNull(), 0.3);
                        Pymol.Py.CgoOld.WriteSphere(@"C:\temp\mix.py", "active", coordSele.HRemoveAllNull()
                                                    , 0.3
                                                    , red: 1, green: 0, blue: 0);
                        Pymol.Py.CgoOld.WriteSphere(@"C:\temp\mix.py", "connect", coords.HSelectByIndex(idxCntk).HRemoveAllNull()
                                                    , 0.3
                                                    , red: 0, green: 0, blue: 1);
                        HFile.WriteAllLines(@"C:\temp\mix.pml", new string[]
                        {
                            "load mix.pdb",
                            "run mix.py",
                            "reset",
                        });
                    }
                    #endregion
                }

                //idxBkbn = HEnum.HSequence(coords.Count).ToArray();
                int[]    idxFull      = idxSele.HUnionWith(idxCntk).HUnionWith(idxBkbn);
                Vector[] coordsFull   = coords.HCopyIdx(idxFull, null);
                var      hessinfoFull = lGetHess(univ, coordsFull
                                                 , idxAll: idxSele
                                                 , idxBuffer: idxCntk.HRemoveAll(idxSele)
                                                 , idxCoarse: idxBkbn.HRemoveAll(idxSele).HRemoveAll(idxCntk)
                                                 , idxBackbone: idxBkbn
                                                 );
                HDebug.Assert(hessinfoFull.hess.IsComputable() == false);
                //{
                //    var modes = hessinfoFull.GetModesMassReduced(false, la);
                //    var modesPosZero = modes.SeparateTolerants();
                //    Vector bf = modesPosZero.Item1.GetBFactor().ToArray();
                //    Vector nma = ext as Vector;
                //    double corr = BFactor.Corr(bf, nma);
                //}

                var hessinfoSub = hessinfoFull.GetSubHessInfo(idxFull);
                HDebug.Assert(hessinfoSub.hess.IsComputable() == true);
                if (HDebug.IsDebuggerAttached)
                {
                    Mode[] lmodes = hessinfoSub.GetModesMassReduced();
                    if (lmodes.SeparateTolerants().Item2.Length != 6)
                    {
                        HDebug.Assert(false);
                        //throw new Exception();
                    }
                }
                if (bVerifySteps && HDebug.IsDebuggerAttached)
                {
                    var    modes        = hessinfoSub.GetModesMassReduced();
                    var    modesPosZero = modes.SeparateTolerants();
                    Vector bf0          = modesPosZero.Item1.GetBFactor().ToArray();
                    Vector bf           = new double[coords.Count]; bf.SetValue(double.NaN);
                    for (int i = 0; i < idxFull.Length; i++)
                    {
                        bf[idxFull[i]] = bf0[i];
                    }
                    int[]  idxCax   = idxCa.HRemoveAll(idxSele).HRemoveAll(idxCntk);
                    double corr     = HBioinfo.BFactor.Corr(bf, bfactorFull, idxFull);
                    double corrCa   = HBioinfo.BFactor.Corr(bf, bfactorFull, idxCa);
                    double corrCax  = HBioinfo.BFactor.Corr(bf, bfactorFull, idxCax);
                    double corrBkbn = HBioinfo.BFactor.Corr(bf, bfactorFull, idxBkbn);
                    double corrSele = HBioinfo.BFactor.Corr(bf, bfactorFull, idxSele);
                    double corrCntk = HBioinfo.BFactor.Corr(bf, bfactorFull, idxCntk);
                }

                int[] idxMix;
                {
                    Universe.Atom[] mixAtoms    = hessinfoSub.atoms.HToType <object, Universe.Atom>();
                    Pdb.Atom[]      mixPdbAtoms = mixAtoms.ListPdbAtoms();
                    ResInfo[]       mixResinfos = mixPdbAtoms.ListResInfo(true);
                    int[]           mixIdxCa    = mixPdbAtoms.IdxByName(true, "CA");
                    int[]           mixIdxSele  = mixResinfos.HIdxEqual(ResInfo.Equals, lstResAllAtom.ToArray());
                    idxMix = mixIdxCa.HUnionWith(mixIdxSele).HSort();
                }

                HessMatrix hessMix = Hess.GetHessCoarseBlkmat(hessinfoSub.hess, idxMix, la);
                if (hessMix.IsComputable() == false)
                {
                    // hessSub (=hessinfoSub.hess) is computable, but hessMix become in-computable.
                    // This happens when 1. hessSub=[A,B;C,D] has more then 6 zero eigenvalues,
                    //                   2. the D matrix become singular,
                    //                   3. inv(D) is incomputable
                    //                   4. "A - B inv(D) C" becomes incomputable.
                    errmsg = "hess(Sele,Cntk,Bkbn)->hess(Sele,Ca) becomes incomputable";
                    return(null);
                }

                MixHessInfo hessinfoMix = new MixHessInfo
                {
                    hess          = hessMix,
                    mass          = hessinfoSub.mass.ToArray().HSelectByIndex(idxMix),
                    atoms         = hessinfoSub.atoms.ToArray().HSelectByIndex(idxMix),
                    coords        = hessinfoSub.coords.ToArray().HSelectByIndex(idxMix),
                    numZeroEigval = 6,
                };
                if (bGetIntmInfo)
                {
                    hessinfoMix.intmHessinfoAllMidBkbn = hessinfoSub;
                    hessinfoMix.intmAtomCa             = univ.atoms.ToArray().HSelectByIndex(idxCa);
                    hessinfoMix.intmAtomAll            = univ.atoms.ToArray().HSelectByIndex(idxSele);
                    hessinfoMix.intmAtomMid            = univ.atoms.ToArray().HSelectByIndex(idxCntk);
                    hessinfoMix.intmAtomBkbn           = univ.atoms.ToArray().HSelectByIndex(idxBkbn);
                }

                if (HDebug.IsDebuggerAttached)
                {
                    Mode[] lmodes = hessinfoMix.GetModesMassReduced();
                    if (lmodes.SeparateTolerants().Item2.Length != 6)
                    {
                        throw new Exception();
                    }
                }
                if (bVerifySteps && HDebug.IsDebuggerAttached)
                {
                    var    modes        = hessinfoMix.GetModesMassReduced();
                    var    modesPosZero = modes.SeparateTolerants();
                    Vector bf0          = modesPosZero.Item1.GetBFactor().ToArray();
                    Vector bf           = new double[coords.Count]; bf.SetValue(double.NaN);
                    for (int i = 0; i < idxMix.Length; i++)
                    {
                        bf[idxFull[idxMix[i]]] = bf0[i];
                    }
                    int[]  idxCax   = idxCa.HRemoveAll(idxSele).HRemoveAll(idxCntk);
                    double corr     = HBioinfo.BFactor.Corr(bf, bfactorFull, true);
                    double corrCa   = HBioinfo.BFactor.Corr(bf, bfactorFull, idxCa);
                    double corrCax  = HBioinfo.BFactor.Corr(bf, bfactorFull, idxCax);
                    double corrBkbn = HBioinfo.BFactor.Corr(bf, bfactorFull, idxBkbn);
                    double corrSele = HBioinfo.BFactor.Corr(bf, bfactorFull, idxSele);
                    double corrCntk = HBioinfo.BFactor.Corr(bf, bfactorFull, idxCntk);
                }

                errmsg = null;
                return(hessinfoMix);
            }