1 /*
2 * Copyright (c) 2010, Michael Lehn
3 *
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1) Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2) Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 * 3) Neither the name of the FLENS development group nor the names of
17 * its contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #ifndef CXXBLAS_LEVEL1EXTENSIONS_GECOPY_TCC
34 #define CXXBLAS_LEVEL1EXTENSIONS_GECOPY_TCC 1
35
36 #include <algorithm>
37 #include <cassert>
38
39 namespace cxxblas {
40
41 //
42 // B = A or B = A^T
43 //
44 template <typename IndexType, typename MA, typename MB>
45 void
46 gecopy(StorageOrder order,
47 Transpose trans, IndexType m, IndexType n,
48 const MA *A, IndexType ldA,
49 MB *B, IndexType ldB)
50 {
51 CXXBLAS_DEBUG_OUT("gecopy_generic");
52
53 if (order==ColMajor) {
54 std::swap(m,n);
55 }
56 if (trans==NoTrans) {
57 if ((ldA==n) && (ldB==n)) {
58 copy(m*n, A, IndexType(1), B, IndexType(1));
59 return;
60 } else {
61 for (IndexType i=0; i<m; ++i) {
62 copy(n, A+i*ldA, IndexType(1), B+i*ldB, IndexType(1));
63 }
64 return;
65 }
66 }
67 if (trans==Trans) {
68 for (IndexType i=0; i<m; ++i) {
69 copy(n, A+i, ldA, B+i*ldB, IndexType(1));
70 }
71 return;
72 }
73 // Lehn: Other cases will be implemented on demand
74 assert(0);
75 }
76
77 } // namespace cxxblas
78
79 #endif // CXXBLAS_LEVEL1EXTENSIONS_GECOPY_TCC
2 * Copyright (c) 2010, Michael Lehn
3 *
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1) Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2) Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 * 3) Neither the name of the FLENS development group nor the names of
17 * its contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #ifndef CXXBLAS_LEVEL1EXTENSIONS_GECOPY_TCC
34 #define CXXBLAS_LEVEL1EXTENSIONS_GECOPY_TCC 1
35
36 #include <algorithm>
37 #include <cassert>
38
39 namespace cxxblas {
40
41 //
42 // B = A or B = A^T
43 //
44 template <typename IndexType, typename MA, typename MB>
45 void
46 gecopy(StorageOrder order,
47 Transpose trans, IndexType m, IndexType n,
48 const MA *A, IndexType ldA,
49 MB *B, IndexType ldB)
50 {
51 CXXBLAS_DEBUG_OUT("gecopy_generic");
52
53 if (order==ColMajor) {
54 std::swap(m,n);
55 }
56 if (trans==NoTrans) {
57 if ((ldA==n) && (ldB==n)) {
58 copy(m*n, A, IndexType(1), B, IndexType(1));
59 return;
60 } else {
61 for (IndexType i=0; i<m; ++i) {
62 copy(n, A+i*ldA, IndexType(1), B+i*ldB, IndexType(1));
63 }
64 return;
65 }
66 }
67 if (trans==Trans) {
68 for (IndexType i=0; i<m; ++i) {
69 copy(n, A+i, ldA, B+i*ldB, IndexType(1));
70 }
71 return;
72 }
73 // Lehn: Other cases will be implemented on demand
74 assert(0);
75 }
76
77 } // namespace cxxblas
78
79 #endif // CXXBLAS_LEVEL1EXTENSIONS_GECOPY_TCC