1 /*
2 * Copyright (c) 2009, 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_LEVEL1_SWAP_TCC
34 #define CXXBLAS_LEVEL1_SWAP_TCC 1
35
36 namespace cxxblas {
37
38 template <typename IndexType, typename X, typename Y>
39 void
40 swap_generic(IndexType n, X *x, IndexType incX, Y *y, IndexType incY)
41 {
42 CXXBLAS_DEBUG_OUT("swap_generic");
43
44 for (IndexType i=0; i<n; ++i, x+=incX, y+=incY) {
45 std::swap(*x, *y);
46 }
47 }
48
49 template <typename IndexType, typename X, typename Y>
50 void
51 swap(IndexType n, X *x, IndexType incX, Y *y, IndexType incY)
52 {
53 if (incX<0) {
54 x -= incX*(n-1);
55 }
56 if (incY<0) {
57 y -= incY*(n-1);
58 }
59 swap_generic(n, x, incX, y, incY);
60 }
61
62
63 #ifdef HAVE_CBLAS
64 // sswap
65 template <typename IndexType>
66 typename If<IndexType>::isBlasCompatibleInteger
67 swap(IndexType n,
68 float *x, IndexType incX,
69 float *y, IndexType incY)
70 {
71 CXXBLAS_DEBUG_OUT("[" BLAS_IMPL "] cblas_sswap");
72
73 cblas_sswap(n, x, incX, y, incY);
74 }
75
76 // dswap
77 template <typename IndexType>
78 typename If<IndexType>::isBlasCompatibleInteger
79 swap(IndexType n,
80 double *x, IndexType incX,
81 double *y, IndexType incY)
82 {
83 CXXBLAS_DEBUG_OUT("[" BLAS_IMPL "] cblas_dswap");
84
85 cblas_dswap(n, x, incX, y, incY);
86 }
87
88 // cswap
89 template <typename IndexType>
90 typename If<IndexType>::isBlasCompatibleInteger
91 swap(IndexType n,
92 ComplexFloat *x, IndexType incX,
93 ComplexFloat *y, IndexType incY)
94 {
95 CXXBLAS_DEBUG_OUT("[" BLAS_IMPL "] cblas_cswap");
96
97 cblas_cswap(n, x, incX, y, incY);
98 }
99
100 // zswap
101 template <typename IndexType>
102 typename If<IndexType>::isBlasCompatibleInteger
103 swap(IndexType n,
104 ComplexDouble *x, IndexType incX,
105 ComplexDouble *y, IndexType incY)
106 {
107 CXXBLAS_DEBUG_OUT("[" BLAS_IMPL "] cblas_zswap");
108
109 cblas_zswap(n, x, incX, y, incY);
110 }
111
112 #endif // HAVE_CBLAS
113
114 } // namespace cxxblas
115
116 #endif // CXXBLAS_LEVEL1_SWAP_TCC
2 * Copyright (c) 2009, 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_LEVEL1_SWAP_TCC
34 #define CXXBLAS_LEVEL1_SWAP_TCC 1
35
36 namespace cxxblas {
37
38 template <typename IndexType, typename X, typename Y>
39 void
40 swap_generic(IndexType n, X *x, IndexType incX, Y *y, IndexType incY)
41 {
42 CXXBLAS_DEBUG_OUT("swap_generic");
43
44 for (IndexType i=0; i<n; ++i, x+=incX, y+=incY) {
45 std::swap(*x, *y);
46 }
47 }
48
49 template <typename IndexType, typename X, typename Y>
50 void
51 swap(IndexType n, X *x, IndexType incX, Y *y, IndexType incY)
52 {
53 if (incX<0) {
54 x -= incX*(n-1);
55 }
56 if (incY<0) {
57 y -= incY*(n-1);
58 }
59 swap_generic(n, x, incX, y, incY);
60 }
61
62
63 #ifdef HAVE_CBLAS
64 // sswap
65 template <typename IndexType>
66 typename If<IndexType>::isBlasCompatibleInteger
67 swap(IndexType n,
68 float *x, IndexType incX,
69 float *y, IndexType incY)
70 {
71 CXXBLAS_DEBUG_OUT("[" BLAS_IMPL "] cblas_sswap");
72
73 cblas_sswap(n, x, incX, y, incY);
74 }
75
76 // dswap
77 template <typename IndexType>
78 typename If<IndexType>::isBlasCompatibleInteger
79 swap(IndexType n,
80 double *x, IndexType incX,
81 double *y, IndexType incY)
82 {
83 CXXBLAS_DEBUG_OUT("[" BLAS_IMPL "] cblas_dswap");
84
85 cblas_dswap(n, x, incX, y, incY);
86 }
87
88 // cswap
89 template <typename IndexType>
90 typename If<IndexType>::isBlasCompatibleInteger
91 swap(IndexType n,
92 ComplexFloat *x, IndexType incX,
93 ComplexFloat *y, IndexType incY)
94 {
95 CXXBLAS_DEBUG_OUT("[" BLAS_IMPL "] cblas_cswap");
96
97 cblas_cswap(n, x, incX, y, incY);
98 }
99
100 // zswap
101 template <typename IndexType>
102 typename If<IndexType>::isBlasCompatibleInteger
103 swap(IndexType n,
104 ComplexDouble *x, IndexType incX,
105 ComplexDouble *y, IndexType incY)
106 {
107 CXXBLAS_DEBUG_OUT("[" BLAS_IMPL "] cblas_zswap");
108
109 cblas_zswap(n, x, incX, y, incY);
110 }
111
112 #endif // HAVE_CBLAS
113
114 } // namespace cxxblas
115
116 #endif // CXXBLAS_LEVEL1_SWAP_TCC