[f2d6445] | 1 | |
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| 2 | |
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| 3 | #ifndef TNT_ARRAY3D_UTILS_H |
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| 4 | #define TNT_ARRAY3D_UTILS_H |
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| 5 | |
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| 6 | #include <cstdlib> |
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| 7 | #include <cassert> |
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| 8 | |
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| 9 | namespace TNT |
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| 10 | { |
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| 11 | |
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| 12 | |
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| 13 | template <class T> |
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| 14 | std::ostream& operator<<(std::ostream &s, const Array3D<T> &A) |
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| 15 | { |
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| 16 | int M=A.dim1(); |
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| 17 | int N=A.dim2(); |
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| 18 | int K=A.dim3(); |
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| 19 | |
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| 20 | s << M << " " << N << " " << K << "\n"; |
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| 21 | |
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| 22 | for (int i=0; i<M; i++) |
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| 23 | { |
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| 24 | for (int j=0; j<N; j++) |
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| 25 | { |
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| 26 | for (int k=0; k<K; k++) |
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| 27 | s << A[i][j][k] << " "; |
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| 28 | s << "\n"; |
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| 29 | } |
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| 30 | s << "\n"; |
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| 31 | } |
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| 32 | |
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| 33 | |
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| 34 | return s; |
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| 35 | } |
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| 36 | |
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| 37 | template <class T> |
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| 38 | std::istream& operator>>(std::istream &s, Array3D<T> &A) |
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| 39 | { |
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| 40 | |
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| 41 | int M, N, K; |
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| 42 | |
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| 43 | s >> M >> N >> K; |
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| 44 | |
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| 45 | Array3D<T> B(M,N,K); |
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| 46 | |
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| 47 | for (int i=0; i<M; i++) |
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| 48 | for (int j=0; j<N; j++) |
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| 49 | for (int k=0; k<K; k++) |
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| 50 | s >> B[i][j][k]; |
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| 51 | |
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| 52 | A = B; |
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| 53 | return s; |
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| 54 | } |
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| 55 | |
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| 56 | |
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| 57 | |
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| 58 | template <class T> |
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| 59 | Array3D<T> operator+(const Array3D<T> &A, const Array3D<T> &B) |
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| 60 | { |
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| 61 | int m = A.dim1(); |
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| 62 | int n = A.dim2(); |
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| 63 | int p = A.dim3(); |
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| 64 | |
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| 65 | if (B.dim1() != m || B.dim2() != n || B.dim3() != p ) |
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| 66 | return Array3D<T>(); |
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| 67 | |
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| 68 | else |
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| 69 | { |
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| 70 | Array3D<T> C(m,n,p); |
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| 71 | |
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| 72 | for (int i=0; i<m; i++) |
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| 73 | for (int j=0; j<n; j++) |
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| 74 | for (int k=0; k<p; k++) |
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| 75 | C[i][j][k] = A[i][j][k] + B[i][j][k]; |
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| 76 | |
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| 77 | return C; |
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| 78 | } |
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| 79 | } |
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| 80 | |
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| 81 | |
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| 82 | template <class T> |
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| 83 | Array3D<T> operator-(const Array3D<T> &A, const Array3D<T> &B) |
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| 84 | { |
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| 85 | int m = A.dim1(); |
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| 86 | int n = A.dim2(); |
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| 87 | int p = A.dim3(); |
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| 88 | |
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| 89 | if (B.dim1() != m || B.dim2() != n || B.dim3() != p ) |
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| 90 | return Array3D<T>(); |
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| 91 | |
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| 92 | else |
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| 93 | { |
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| 94 | Array3D<T> C(m,n,p); |
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| 95 | |
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| 96 | for (int i=0; i<m; i++) |
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| 97 | for (int j=0; j<n; j++) |
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| 98 | for (int k=0; k<p; k++) |
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| 99 | C[i][j][k] = A[i][j][k] - B[i][j][k]; |
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| 100 | |
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| 101 | return C; |
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| 102 | } |
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| 103 | } |
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| 104 | |
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| 105 | |
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| 106 | |
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| 107 | |
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| 108 | template <class T> |
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| 109 | Array3D<T> operator*(const Array3D<T> &A, const Array3D<T> &B) |
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| 110 | { |
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| 111 | int m = A.dim1(); |
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| 112 | int n = A.dim2(); |
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| 113 | int p = A.dim3(); |
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| 114 | |
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| 115 | if (B.dim1() != m || B.dim2() != n || B.dim3() != p ) |
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| 116 | return Array3D<T>(); |
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| 117 | |
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| 118 | else |
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| 119 | { |
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| 120 | Array3D<T> C(m,n,p); |
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| 121 | |
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| 122 | for (int i=0; i<m; i++) |
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| 123 | for (int j=0; j<n; j++) |
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| 124 | for (int k=0; k<p; k++) |
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| 125 | C[i][j][k] = A[i][j][k] * B[i][j][k]; |
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| 126 | |
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| 127 | return C; |
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| 128 | } |
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| 129 | } |
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| 130 | |
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| 131 | |
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| 132 | template <class T> |
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| 133 | Array3D<T> operator/(const Array3D<T> &A, const Array3D<T> &B) |
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| 134 | { |
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| 135 | int m = A.dim1(); |
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| 136 | int n = A.dim2(); |
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| 137 | int p = A.dim3(); |
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| 138 | |
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| 139 | if (B.dim1() != m || B.dim2() != n || B.dim3() != p ) |
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| 140 | return Array3D<T>(); |
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| 141 | |
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| 142 | else |
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| 143 | { |
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| 144 | Array3D<T> C(m,n,p); |
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| 145 | |
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| 146 | for (int i=0; i<m; i++) |
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| 147 | for (int j=0; j<n; j++) |
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| 148 | for (int k=0; k<p; k++) |
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| 149 | C[i][j][k] = A[i][j][k] / B[i][j][k]; |
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| 150 | |
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| 151 | return C; |
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| 152 | } |
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| 153 | } |
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| 154 | |
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| 155 | |
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| 156 | |
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| 157 | template <class T> |
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| 158 | Array3D<T>& operator+=(Array3D<T> &A, const Array3D<T> &B) |
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| 159 | { |
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| 160 | int m = A.dim1(); |
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| 161 | int n = A.dim2(); |
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| 162 | int p = A.dim3(); |
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| 163 | |
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| 164 | if (B.dim1() == m && B.dim2() == n && B.dim3() == p ) |
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| 165 | { |
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| 166 | for (int i=0; i<m; i++) |
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| 167 | for (int j=0; j<n; j++) |
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| 168 | for (int k=0; k<p; k++) |
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| 169 | A[i][j][k] += B[i][j][k]; |
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| 170 | } |
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| 171 | |
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| 172 | return A; |
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| 173 | } |
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| 174 | |
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| 175 | template <class T> |
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| 176 | Array3D<T>& operator-=(Array3D<T> &A, const Array3D<T> &B) |
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| 177 | { |
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| 178 | int m = A.dim1(); |
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| 179 | int n = A.dim2(); |
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| 180 | int p = A.dim3(); |
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| 181 | |
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| 182 | if (B.dim1() == m && B.dim2() == n && B.dim3() == p ) |
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| 183 | { |
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| 184 | for (int i=0; i<m; i++) |
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| 185 | for (int j=0; j<n; j++) |
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| 186 | for (int k=0; k<p; k++) |
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| 187 | A[i][j][k] -= B[i][j][k]; |
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| 188 | } |
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| 189 | |
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| 190 | return A; |
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| 191 | } |
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| 192 | |
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| 193 | template <class T> |
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| 194 | Array3D<T>& operator*=(Array3D<T> &A, const Array3D<T> &B) |
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| 195 | { |
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| 196 | int m = A.dim1(); |
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| 197 | int n = A.dim2(); |
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| 198 | int p = A.dim3(); |
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| 199 | |
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| 200 | if (B.dim1() == m && B.dim2() == n && B.dim3() == p ) |
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| 201 | { |
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| 202 | for (int i=0; i<m; i++) |
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| 203 | for (int j=0; j<n; j++) |
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| 204 | for (int k=0; k<p; k++) |
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| 205 | A[i][j][k] *= B[i][j][k]; |
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| 206 | } |
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| 207 | |
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| 208 | return A; |
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| 209 | } |
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| 210 | |
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| 211 | |
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| 212 | template <class T> |
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| 213 | Array3D<T>& operator/=(Array3D<T> &A, const Array3D<T> &B) |
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| 214 | { |
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| 215 | int m = A.dim1(); |
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| 216 | int n = A.dim2(); |
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| 217 | int p = A.dim3(); |
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| 218 | |
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| 219 | if (B.dim1() == m && B.dim2() == n && B.dim3() == p ) |
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| 220 | { |
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| 221 | for (int i=0; i<m; i++) |
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| 222 | for (int j=0; j<n; j++) |
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| 223 | for (int k=0; k<p; k++) |
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| 224 | A[i][j][k] /= B[i][j][k]; |
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| 225 | } |
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| 226 | |
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| 227 | return A; |
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| 228 | } |
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| 229 | |
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| 230 | |
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| 231 | |
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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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