[f2d6445] | 1 | /* |
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| 2 | * |
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| 3 | * Template Numerical Toolkit (TNT) |
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| 4 | * |
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| 5 | * Mathematical and Computational Sciences Division |
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| 6 | * National Institute of Technology, |
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| 7 | * Gaithersburg, MD USA |
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| 8 | * |
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| 9 | * |
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| 10 | * This software was developed at the National Institute of Standards and |
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| 11 | * Technology (NIST) by employees of the Federal Government in the course |
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| 12 | * of their official duties. Pursuant to title 17 Section 105 of the |
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| 13 | * United States Code, this software is not subject to copyright protection |
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| 14 | * and is in the public domain. NIST assumes no responsibility whatsoever for |
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| 15 | * its use by other parties, and makes no guarantees, expressed or implied, |
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| 16 | * about its quality, reliability, or any other characteristic. |
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| 17 | * |
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| 18 | */ |
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| 19 | |
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| 20 | |
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| 21 | #ifndef TNT_FORTRAN_ARRAY2D_UTILS_H |
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| 22 | #define TNT_FORTRAN_ARRAY2D_UTILS_H |
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| 23 | |
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| 24 | #include <iostream> |
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| 25 | |
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| 26 | namespace TNT |
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| 27 | { |
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| 28 | |
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| 29 | |
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| 30 | template <class T> |
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| 31 | std::ostream& operator<<(std::ostream &s, const Fortran_Array2D<T> &A) |
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| 32 | { |
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| 33 | int M=A.dim1(); |
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| 34 | int N=A.dim2(); |
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| 35 | |
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| 36 | s << M << " " << N << "\n"; |
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| 37 | |
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| 38 | for (int i=1; i<=M; i++) |
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| 39 | { |
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| 40 | for (int j=1; j<=N; j++) |
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| 41 | { |
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| 42 | s << A(i,j) << " "; |
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| 43 | } |
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| 44 | s << "\n"; |
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| 45 | } |
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| 46 | |
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| 47 | |
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| 48 | return s; |
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| 49 | } |
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| 50 | |
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| 51 | template <class T> |
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| 52 | std::istream& operator>>(std::istream &s, Fortran_Array2D<T> &A) |
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| 53 | { |
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| 54 | |
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| 55 | int M, N; |
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| 56 | |
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| 57 | s >> M >> N; |
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| 58 | |
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| 59 | Fortran_Array2D<T> B(M,N); |
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| 60 | |
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| 61 | for (int i=1; i<=M; i++) |
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| 62 | for (int j=1; j<=N; j++) |
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| 63 | { |
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| 64 | s >> B(i,j); |
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| 65 | } |
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| 66 | |
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| 67 | A = B; |
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| 68 | return s; |
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| 69 | } |
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| 70 | |
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| 71 | |
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| 72 | |
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| 73 | |
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| 74 | template <class T> |
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| 75 | Fortran_Array2D<T> operator+(const Fortran_Array2D<T> &A, const Fortran_Array2D<T> &B) |
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| 76 | { |
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| 77 | int m = A.dim1(); |
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| 78 | int n = A.dim2(); |
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| 79 | |
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| 80 | if (B.dim1() != m || B.dim2() != n ) |
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| 81 | return Fortran_Array2D<T>(); |
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| 82 | |
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| 83 | else |
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| 84 | { |
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| 85 | Fortran_Array2D<T> C(m,n); |
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| 86 | |
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| 87 | for (int i=1; i<=m; i++) |
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| 88 | { |
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| 89 | for (int j=1; j<=n; j++) |
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| 90 | C(i,j) = A(i,j) + B(i,j); |
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| 91 | } |
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| 92 | return C; |
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| 93 | } |
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| 94 | } |
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| 95 | |
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| 96 | template <class T> |
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| 97 | Fortran_Array2D<T> operator-(const Fortran_Array2D<T> &A, const Fortran_Array2D<T> &B) |
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| 98 | { |
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| 99 | int m = A.dim1(); |
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| 100 | int n = A.dim2(); |
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| 101 | |
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| 102 | if (B.dim1() != m || B.dim2() != n ) |
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| 103 | return Fortran_Array2D<T>(); |
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| 104 | |
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| 105 | else |
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| 106 | { |
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| 107 | Fortran_Array2D<T> C(m,n); |
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| 108 | |
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| 109 | for (int i=1; i<=m; i++) |
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| 110 | { |
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| 111 | for (int j=1; j<=n; j++) |
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| 112 | C(i,j) = A(i,j) - B(i,j); |
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| 113 | } |
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| 114 | return C; |
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| 115 | } |
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| 116 | } |
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| 117 | |
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| 118 | |
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| 119 | template <class T> |
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| 120 | Fortran_Array2D<T> operator*(const Fortran_Array2D<T> &A, const Fortran_Array2D<T> &B) |
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| 121 | { |
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| 122 | int m = A.dim1(); |
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| 123 | int n = A.dim2(); |
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| 124 | |
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| 125 | if (B.dim1() != m || B.dim2() != n ) |
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| 126 | return Fortran_Array2D<T>(); |
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| 127 | |
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| 128 | else |
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| 129 | { |
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| 130 | Fortran_Array2D<T> C(m,n); |
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| 131 | |
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| 132 | for (int i=1; i<=m; i++) |
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| 133 | { |
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| 134 | for (int j=1; j<=n; j++) |
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| 135 | C(i,j) = A(i,j) * B(i,j); |
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| 136 | } |
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| 137 | return C; |
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| 138 | } |
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| 139 | } |
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| 140 | |
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| 141 | |
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| 142 | template <class T> |
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| 143 | Fortran_Array2D<T> operator/(const Fortran_Array2D<T> &A, const Fortran_Array2D<T> &B) |
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| 144 | { |
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| 145 | int m = A.dim1(); |
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| 146 | int n = A.dim2(); |
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| 147 | |
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| 148 | if (B.dim1() != m || B.dim2() != n ) |
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| 149 | return Fortran_Array2D<T>(); |
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| 150 | |
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| 151 | else |
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| 152 | { |
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| 153 | Fortran_Array2D<T> C(m,n); |
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| 154 | |
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| 155 | for (int i=1; i<=m; i++) |
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| 156 | { |
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| 157 | for (int j=1; j<=n; j++) |
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| 158 | C(i,j) = A(i,j) / B(i,j); |
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| 159 | } |
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| 160 | return C; |
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| 161 | } |
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| 162 | } |
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| 163 | |
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| 164 | |
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| 165 | |
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| 166 | template <class T> |
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| 167 | Fortran_Array2D<T>& operator+=(Fortran_Array2D<T> &A, const Fortran_Array2D<T> &B) |
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| 168 | { |
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| 169 | int m = A.dim1(); |
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| 170 | int n = A.dim2(); |
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| 171 | |
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| 172 | if (B.dim1() == m || B.dim2() == n ) |
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| 173 | { |
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| 174 | for (int i=1; i<=m; i++) |
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| 175 | { |
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| 176 | for (int j=1; j<=n; j++) |
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| 177 | A(i,j) += B(i,j); |
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| 178 | } |
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| 179 | } |
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| 180 | return A; |
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| 181 | } |
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| 182 | |
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| 183 | template <class T> |
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| 184 | Fortran_Array2D<T>& operator-=(Fortran_Array2D<T> &A, const Fortran_Array2D<T> &B) |
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| 185 | { |
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| 186 | int m = A.dim1(); |
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| 187 | int n = A.dim2(); |
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| 188 | |
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| 189 | if (B.dim1() == m || B.dim2() == n ) |
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| 190 | { |
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| 191 | for (int i=1; i<=m; i++) |
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| 192 | { |
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| 193 | for (int j=1; j<=n; j++) |
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| 194 | A(i,j) -= B(i,j); |
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| 195 | } |
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| 196 | } |
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| 197 | return A; |
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| 198 | } |
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| 199 | |
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| 200 | template <class T> |
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| 201 | Fortran_Array2D<T>& operator*=(Fortran_Array2D<T> &A, const Fortran_Array2D<T> &B) |
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| 202 | { |
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| 203 | int m = A.dim1(); |
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| 204 | int n = A.dim2(); |
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| 205 | |
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| 206 | if (B.dim1() == m || B.dim2() == n ) |
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| 207 | { |
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| 208 | for (int i=1; i<=m; i++) |
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| 209 | { |
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| 210 | for (int j=1; j<=n; j++) |
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| 211 | A(i,j) *= B(i,j); |
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| 212 | } |
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| 213 | } |
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| 214 | return A; |
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| 215 | } |
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| 216 | |
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| 217 | template <class T> |
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| 218 | Fortran_Array2D<T>& operator/=(Fortran_Array2D<T> &A, const Fortran_Array2D<T> &B) |
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| 219 | { |
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| 220 | int m = A.dim1(); |
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| 221 | int n = A.dim2(); |
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| 222 | |
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| 223 | if (B.dim1() == m || B.dim2() == n ) |
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| 224 | { |
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| 225 | for (int i=1; i<=m; i++) |
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| 226 | { |
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| 227 | for (int j=1; j<=n; j++) |
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| 228 | A(i,j) /= B(i,j); |
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| 229 | } |
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| 230 | } |
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| 231 | return A; |
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| 232 | } |
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| 233 | |
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| 234 | } // namespace TNT |
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| 235 | |
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| 236 | #endif |
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