1 /*
2 * Copyright (c) 2012, 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_GECOTR_TCC
34 #define CXXBLAS_LEVEL1EXTENSIONS_GECOTR_TCC 1
35
36 #include <algorithm>
37 #include <cassert>
38
39 namespace cxxblas {
40
41 template <typename IndexType, typename MA>
42 void
43 gecotr(StorageOrder order, Transpose trans,
44 IndexType m, IndexType n, MA *A, IndexType ldA)
45 {
46 if (order==RowMajor) {
47 gecotr(ColMajor, trans, n, m, A, ldA);
48 return;
49 }
50
51 CXXBLAS_DEBUG_OUT("gecotr_generic");
52
53 if (trans==NoTrans) {
54 return;
55 }
56 if (trans==Trans) {
57 ASSERT(m==n);
58 for (IndexType i=0; i<n; ++i) {
59 for (IndexType j=0; j<i; ++j) {
60 std::swap(A[i+ldA*j], A[j+ldA*i]);
61 }
62 }
63 return;
64 }
65 // Lehn: Other cases will be implemented on demand
66 assert(0);
67 }
68
69 } // namespace cxxblas
70
71 #endif // CXXBLAS_LEVEL1EXTENSIONS_GECOTR_TCC
2 * Copyright (c) 2012, 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_GECOTR_TCC
34 #define CXXBLAS_LEVEL1EXTENSIONS_GECOTR_TCC 1
35
36 #include <algorithm>
37 #include <cassert>
38
39 namespace cxxblas {
40
41 template <typename IndexType, typename MA>
42 void
43 gecotr(StorageOrder order, Transpose trans,
44 IndexType m, IndexType n, MA *A, IndexType ldA)
45 {
46 if (order==RowMajor) {
47 gecotr(ColMajor, trans, n, m, A, ldA);
48 return;
49 }
50
51 CXXBLAS_DEBUG_OUT("gecotr_generic");
52
53 if (trans==NoTrans) {
54 return;
55 }
56 if (trans==Trans) {
57 ASSERT(m==n);
58 for (IndexType i=0; i<n; ++i) {
59 for (IndexType j=0; j<i; ++j) {
60 std::swap(A[i+ldA*j], A[j+ldA*i]);
61 }
62 }
63 return;
64 }
65 // Lehn: Other cases will be implemented on demand
66 assert(0);
67 }
68
69 } // namespace cxxblas
70
71 #endif // CXXBLAS_LEVEL1EXTENSIONS_GECOTR_TCC