コード例 #1
0
ファイル: ILMathBasic.cs プロジェクト: wdxa/ILNumerics
            internal  opint32_int32 ( Int32 parameter,
                     ILInt32FunctionInt32Int32 applyFunc) {
					m_parameter = parameter; 
					m_applyFun = applyFunc; 
			} 
コード例 #2
0
ファイル: ILMath_Walker.cs プロジェクト: wdxa/ILNumerics
        /// <summary>
        /// operate on elements of both storages by the given function -> relational operations 
        /// </summary>
        /// <param name="inArray1">First storage array</param>
        /// <param name="inArray2">Second storage array</param>
        /// <param name="operation">operation to apply to the elements of inArray. This
        /// acts like a function pointer.</param>
        /// <returns><![CDATA[  ILArray<Int32> ]]> with result of operation for corresponding 
        /// elements of both arrays.</returns>
        /// <remarks>The values of inArray1 nor inArray2 will not be altered.The dimensions 
        /// of both arrays must match.</remarks>
        private static  ILArray<Int32>  Int32OperatorInt32Int32 ( ILArray<Int32> inArray1, ILArray<Int32> inArray2,
            ILInt32FunctionInt32Int32 operation) {
            ILDimension inDim = inArray1.Dimensions;
            if (!inDim.IsSameSize ( inArray2.Dimensions ))
                throw new ILDimensionMismatchException ();
            Int32 [] retSystemArr;
            // build ILDimension
            int newLength = inDim.NumberOfElements;
            retSystemArr = new  Int32 [newLength];
            int leadDim = 0;
            int leadDimLen = inDim [0];
            if (inArray1.IsReference || inArray2.IsReference) {
                // this will most probably be not very fast, but .... :|
                #region Reference storage
                // walk along the longest dimension (for performance reasons)
                for (int i = 1; i < inDim.NumberOfDimensions; i++) {
                    if (leadDimLen < inDim [i]) {
                        leadDimLen = inDim [i];
                        leadDim = i;
                    }
                }
                unsafe {
                    fixed ( Int32 * pOutArr = retSystemArr)
                    fixed ( Int32 * inA1 = inArray1.m_data) 
                    fixed ( Int32 * inA2 = inArray2.m_data) {
                        Int32 * pInA1 = inA1; 
                        Int32 * pInA2 = inA2;
                        int c = 0; 
                        Int32 * poutarr = pOutArr;
                        Int32 * outEnd = poutarr + newLength;
                        if (inArray1.IsReference && !inArray2.IsReference)
                            while (poutarr < outEnd) {
                                *poutarr++ = operation ( *(pInA1 + inArray1.getBaseIndex(c++)), *pInA2++);
                            }
                        else if (!inArray1.IsReference && inArray2.IsReference)
                            while (poutarr < outEnd) {
                                *poutarr++ = operation ( *pInA1++, *(pInA2 + inArray2.getBaseIndex(c++)));
                            }
                        else if (!inArray1.IsReference && !inArray2.IsReference)
                            while (poutarr < outEnd) {
                                *poutarr++ = operation ( *pInA1++, *pInA2++);
                            }
                        else if (inArray1.IsReference && inArray2.IsReference)
                            if (inArray1.Dimensions.NumberOfDimensions < 3 && inArray2.Dimensions.NumberOfDimensions < 3) {
                                fixed (int * pA1idx0 = inArray1.m_indexOffset[0])
                                fixed (int * pA1idx1 = inArray1.m_indexOffset[1])
                                fixed (int * pA2idx0 = inArray2.m_indexOffset[0])
                                fixed (int * pA2idx1 = inArray2.m_indexOffset[1]) {
                                    int r = 0, rLen = inArray1.m_dimensions[0];
                                    int        cLen = inArray1.m_dimensions[1]; 
                                    while (poutarr < outEnd) {
                                        *poutarr++ = operation ( *(pInA1 + *(pA1idx0 + r) + *(pA1idx1 + c)), *(pInA2+ *(pA2idx0 + r) + *(pA2idx1 + c)));
                                        if (++r == rLen) {
                                            r = 0; 
                                            c++; 
                                        }
                                    }
                                }
                            } else {
                                 while (poutarr < outEnd) {
                                    *poutarr++ = operation ( *(pInA1 + inArray1.getBaseIndex(c)), *(pInA2+inArray2.getBaseIndex(c++)));
                                }
                           }
                    }
                }
                // ==============================================================
                #endregion
            } else {
                // physical -> pointer arithmetic
                #region physical storage
                unsafe {
                    fixed ( Int32 * pInArr1 = inArray1.m_data)
                    fixed ( Int32 * pInArr2 = inArray2.m_data)
                    fixed ( Int32 * pOutArr = retSystemArr) {
                        Int32 * poutarr = pOutArr;
                        Int32 * poutend = poutarr + newLength;
                        Int32 * pIn1 = pInArr1;
                        Int32 * pIn2 = pInArr2;
                        while (poutarr < poutend)
                            *poutarr++ = operation ( *pIn1++, *pIn2++ );

                    }
                }
                #endregion
            }
            return new  ILArray<Int32> ( retSystemArr, inDim.ToIntArray () );
        }