1 /*
2 * Copyright (c) 2011, 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 /* Based on
34 *
35 SUBROUTINE DLASY2( LTRANL, LTRANR, ISGN, N1, N2, TL, LDTL, TR,
36 $ LDTR, B, LDB, SCALE, X, LDX, XNORM, INFO )
37 *
38 * -- LAPACK auxiliary routine (version 3.2) --
39 * -- LAPACK is a software package provided by Univ. of Tennessee, --
40 * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
41 * November 2006
42 */
43
44 #ifndef FLENS_LAPACK_AUX_LASY2_H
45 #define FLENS_LAPACK_AUX_LASY2_H 1
46
47 #include <flens/lapack/typedefs.h>
48 #include <flens/matrixtypes/matrixtypes.h>
49 #include <flens/vectortypes/vectortypes.h>
50
51 namespace flens { namespace lapack {
52
53 //== lasy2 =====================================================================
54 template <typename SIGN, typename MTL, typename MTR, typename MB,
55 typename SCALE, typename MX, typename XNORM>
56 typename GeMatrix<MX>::IndexType
57 lasy2(bool transLeft,
58 bool transRight,
59 SIGN sign,
60 const GeMatrix<MTL> &TL,
61 const GeMatrix<MTR> &TR,
62 const GeMatrix<MB> &B,
63 SCALE &scale,
64 GeMatrix<MX> &X,
65 XNORM &xNorm);
66
67 //-- forwarding ----------------------------------------------------------------
68 template <typename SIGN, typename MTL, typename MTR, typename MB,
69 typename SCALE, typename MX, typename XNORM>
70 typename MX::IndexType
71 lasy2(bool transLeft,
72 bool transRight,
73 SIGN sign,
74 const MTL &TL,
75 const MTR &TR,
76 const MB &B,
77 SCALE &&scale,
78 MX &&X,
79 XNORM &&xNorm);
80
81 } } // namespace lapack, flens
82
83 #endif // FLENS_LAPACK_AUX_LASY2_H
2 * Copyright (c) 2011, 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 /* Based on
34 *
35 SUBROUTINE DLASY2( LTRANL, LTRANR, ISGN, N1, N2, TL, LDTL, TR,
36 $ LDTR, B, LDB, SCALE, X, LDX, XNORM, INFO )
37 *
38 * -- LAPACK auxiliary routine (version 3.2) --
39 * -- LAPACK is a software package provided by Univ. of Tennessee, --
40 * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
41 * November 2006
42 */
43
44 #ifndef FLENS_LAPACK_AUX_LASY2_H
45 #define FLENS_LAPACK_AUX_LASY2_H 1
46
47 #include <flens/lapack/typedefs.h>
48 #include <flens/matrixtypes/matrixtypes.h>
49 #include <flens/vectortypes/vectortypes.h>
50
51 namespace flens { namespace lapack {
52
53 //== lasy2 =====================================================================
54 template <typename SIGN, typename MTL, typename MTR, typename MB,
55 typename SCALE, typename MX, typename XNORM>
56 typename GeMatrix<MX>::IndexType
57 lasy2(bool transLeft,
58 bool transRight,
59 SIGN sign,
60 const GeMatrix<MTL> &TL,
61 const GeMatrix<MTR> &TR,
62 const GeMatrix<MB> &B,
63 SCALE &scale,
64 GeMatrix<MX> &X,
65 XNORM &xNorm);
66
67 //-- forwarding ----------------------------------------------------------------
68 template <typename SIGN, typename MTL, typename MTR, typename MB,
69 typename SCALE, typename MX, typename XNORM>
70 typename MX::IndexType
71 lasy2(bool transLeft,
72 bool transRight,
73 SIGN sign,
74 const MTL &TL,
75 const MTR &TR,
76 const MB &B,
77 SCALE &&scale,
78 MX &&X,
79 XNORM &&xNorm);
80
81 } } // namespace lapack, flens
82
83 #endif // FLENS_LAPACK_AUX_LASY2_H