Esempio n. 1
0
        public static void RunTests()
        {
            var an = Generate.Empty(2000);
            var bn = Generate.Ones(2000);

            var cn = Generate.Empty(2000);
            var dn = Generate.Ones(2000);

            var an0 = an.Value[0];
            var bn0 = bn.Value[0];

            if (bn0 != 1)
            {
                throw new Exception("Error in accessor");
            }

            cn.Value[0] = 1;
            dn.Value[0] = 2;

            var cn0 = cn.Value[0];
            var dn0 = dn.Value[0];

            if (cn0 != 1 || dn0 != 2)
            {
                throw new Exception("Error in accessor");
            }

            var test = Generate.Range(3) * 4;

            test.Transpose();

            Shape s = new Shape(
                new long[] { 2, 1, 2, 3 },  //Dimension sizes
                6,                          //Offset
                new long[] { 18, 18, 6, 1 } //Strides
                );

            var a = Generate.Range(s.Length);
            var b = a.Reshape(s);
            var c = b[1][0][1];
            var d = c[2];
            var e = b.Flatten();

            if (e.AsArray().LongLength != 12 || e.AsArray()[3] != 12)
            {
                throw new Exception("Failure in flatten");
            }

            List <T> fln = new List <T>(b[1, 0, 1].Value);

            if (fln.Count != 3)
            {
                throw new Exception("Failure in basic test 1");
            }
            if (fln[0] != 30)
            {
                throw new Exception("Failure in basic test 2");
            }
            if (fln[1] != 31)
            {
                throw new Exception("Failure in basic test 3");
            }
            if (fln[2] != 32)
            {
                throw new Exception("Failure in basic test 4");
            }

            T n = b.Value[1, 0, 1, 2];

            if (n != 32)
            {
                throw new Exception("Failure in basic test 5");
            }
            if (c.Value[2] != 32)
            {
                throw new Exception("Failure in basic test 6");
            }
            if (c.Value[0] != 30)
            {
                throw new Exception("Failure in basic test 7");
            }
            if (c.Value[1] != 31)
            {
                throw new Exception("Failure in basic test 8");
            }
            if (b.Sum() != 228)
            {
                throw new Exception("Failure in basic test 9");
            }

            var r1 = Generate.Range(12).Reshape(new long[] { 2, 1, 2, 3 });

            if (!Equals(r1.AsArray(), new T[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 }))
            {
                throw new Exception("Failure in basic test 10");
            }
            var r2 = r1.Reduce <Add>(0);

            //if (!Equals(r2.AsArray(), new T[] { 6, 8, 10, 12, 14, 16 })) throw new Exception("Failure in basic test 11");
            r2 = r1.Reduce <Add>(1);
            var xxx = r2.AsArray();

            if (!Equals(xxx, new T[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 }))
            {
                throw new Exception("Failure in basic test 12");
            }

            r2 = r1.Reduce <Add>(2);
            var yyy = r2.AsArray();

            if (!Equals(yyy, new T[] { 3, 5, 7, 15, 17, 19 }))
            {
                throw new Exception("Failure in basic test 13");
            }

            //r2 = Add.Reduce(r1, 3);

            Console.WriteLine("Running problem test");
            r2 = r1.Reduce <Add>(3);
            var nnn = r2.AsArray();

            if (!Equals(nnn, new T[] { 3, 12, 21, 30 }))
            {
                throw new Exception(string.Format("Failure in basic test 14: {0}", string.Join(", ", nnn.Select(x => x.ToString()))));
            }

            var r3 = b.Reduce <Add>();

            if (!Equals(r3.AsArray(), new T[] { 30, 32, 34, 42, 44, 46 }))
            {
                throw new Exception("Failure in basic test 15");
            }

            var x1 = Generate.Range(12).Reshape(new long[] { 4, 3 });
            var x2 = Generate.Range(3);

            var x3 = x1 + x2;

            var sqrd = x3.Sqrt();

            sqrd *= sqrd;
            sqrd  = sqrd.Round();
            sqrd += 4;
            sqrd++;

            if (UFunc.Reduce <T, Add>(UFunc.Reduce <T, Add>(sqrd, 0)).Value[0] != 138)
            {
                throw new Exception("Failure in basic arithmetics");
            }
            if (UFunc.Reduce <T, Add>(UFunc.Reduce <T, Add>(sqrd, 1)).Value[0] != 138)
            {
                throw new Exception("Failure in basic arithmetics");
            }

            var x5 = sqrd.Apply((x) => x % 2 == 0 ? x : -x);

            if (!Equals(x5.AsArray(), new T[] { -5, -7, -9, 8, 10, 12, -11, -13, -15, 14, 16, 18 }))
            {
                throw new Exception("Failure in basic test 16");
            }

            NumCIL.UFunc.Apply <T, Add>(x1, x2, x3);
            NumCIL.Double.NdArray x4 = (NumCIL.Double.NdArray)x3;
            if (!Equals(x4.AsArray(), new double[] { 0, 2, 4, 3, 5, 7, 6, 8, 10, 9, 11, 13 }))
            {
                throw new Exception("Failure in basic test 17");
            }

            var x6 = Generate.Range(6).Reshape(new long[] { 2, 3 });

            var x7 = x6.Reduce <Add>();

            var rx7 = x7.AsArray();

            if (!Equals(rx7, new T[] { 3, 5, 7 }))
            {
                throw new Exception(string.Format("Failure in basic test: [{0}]", string.Join(", ", rx7.Select(x => x.ToString()).ToArray())));
            }

            var x8  = Generate.Range(10) * 0.5f;
            var rx8 = x8.Reduce <Add>().Value[0];

            if (rx8 != 22.5)
            {
                throw new Exception(string.Format("Failure in broadcast multiply 1: {0}", rx8));
            }

            var x9  = Mul.Apply(Generate.Range(10), 0.5f);
            var rx9 = x9.Reduce <Add>().Value[0];

            if (rx9 != 22.5)
            {
                throw new Exception(string.Format("Failure in broadcast multiply 2: {0}", rx9));
            }

            var x10 = 5 - Generate.Range(10);
            var x11 = Generate.Range(10) - 5;

            if (x10.Sum() != 5 || x11.Sum() != -5)
            {
                throw new Exception("Failure in scalar rhs/lhs");
            }

            var n0 = Generate.Range(4);
            var n1 = n0[new Range(1, 4)];
            var n2 = n0[new Range(0, 3)];
            var n3 = n1 - n2;

            if (n3.Reduce <Add>().Value[0] != 3)
            {
                throw new Exception("Failure in basic slicing");
            }

            var z0 = Generate.Range(new long[] { 2, 2, 3 });
            var z1 = z0[Range.All, Range.All, Range.El(1)];
            var z2 = z0[Range.All, Range.El(1), Range.El(1)];
            var z3 = z0[Range.El(1), Range.El(1), Range.All];
            var z4 = z0[Range.El(0), Range.El(1), Range.El(1)];
            var z5 = z0[Range.El(0)];

            if (z1.Shape.Elements != 4)
            {
                throw new Exception("Reduced range failed");
            }
            if (z2.Shape.Elements != 2 || z2.Shape.Dimensions.LongLength != 1)
            {
                throw new Exception("Reduced range failed");
            }
            if (z3.Shape.Elements != 3 || z3.Shape.Dimensions.LongLength != 1)
            {
                throw new Exception("Reduced range failed");
            }
            if (z4.Shape.Elements != 1 || z4.Shape.Dimensions.LongLength != 1)
            {
                throw new Exception("Reduced range failed");
            }
            if (z5.Shape.Elements != 6 || z5.Shape.Dimensions.LongLength != 2)
            {
                throw new Exception("Reduced range failed");
            }


            var y1 = Generate.Range(9).Reshape(new long[] { 3, 3 });
            var y2 = y1.Transposed;

            y1 = y1.Transposed;
            var y3 = y1 + y2;

            if (y3.Value[0, 2] != 12)
            {
                throw new Exception("Failure with double transpose");
            }

            var y4 = Generate.Range(2 * 2 * 2 * 2 * 2).Reshape(new long[] { 2, 2, 2, 2, 2 });
            var y5 = y4 * (Generate.Range(2) + 1);

            if (y5.Sum() != 752)
            {
                throw new Exception("Failure with 5 dimensions");
            }

            var y6 = Generate.Range(2 * 2 * 2 * 2 * 2 * 2).Reshape(new long[] { 2, 2, 2, 2, 2, 2 });
            var y7 = y6 * (Generate.Range(2) + 1);

            if (y7.Sum() != 3040)
            {
                throw new Exception("Failure with 6 dimensions");
            }

            var r    = Generate.Random(2000);
            var rmin = Min.Aggregate(r);
            var rmax = Max.Aggregate(r);
            var ravg = Add.Aggregate(r) / r.DataAccessor.Length;

            if (rmin < 0 || rmax > 1.0)
            {
                throw new Exception("Error in random");
            }
            if (ravg < 0.4 || ravg > 0.6)
            {
                throw new Exception("Deviation in random average");
            }
        }