1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/*
* Copyright (c) 2011, Michael Lehn
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1) Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2) Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3) Neither the name of the FLENS development group nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLENS_BLAS_CLOSURES_TWEAKS_MM_TCC
#define FLENS_BLAS_CLOSURES_TWEAKS_MM_TCC 1
#include <flens/auxiliary/auxiliary.h>
#include <flens/blas/closures/closures.h>
#include <flens/blas/level1/level1.h>
#include <flens/blas/level2/level2.h>
#include <flens/blas/level3/level3.h>
#include <flens/typedefs.h>
#ifdef FLENS_DEBUG_CLOSURES
# include <flens/blas/blaslogon.h>
#else
# include <flens/blas/blaslogoff.h>
#endif
namespace flens { namespace blas {
//------------------------------------------------------------------------------
//
// C = beta*D + alpha*op(A)*op(B)
//
template <typename MD, typename MA, typename MB, typename MC>
typename RestrictTo<DefaultEval<MatrixClosureMM<MD, MA, MB> >::value
&& IsMatrix<MD>::value
&& IsMatrix<MA>::value
&& IsMatrix<MB>::value
&& IsGeneralMatrix<MC>::value,
void>::Type
copy(Transpose trans, const MatrixClosureMM<MD, MA, MB> &DpAB, MC &C)
{
FLENS_BLASLOG_BEGIN_COPY(false, DpAB, C);
using namespace DEBUGCLOSURE;
//
// check if C form rhs and lhs are identical
//
typedef typename PruneScaling<MD>::Remainder RMD;
const RMD &D = PruneScaling<MD>::getRemainder(DpAB.left());
typedef typename MC::Impl::ElementType TC;
const TC One(1);
if (trans!=NoTrans || !identical(D, C.impl())) {
copySum(trans, DpAB.left(), One, DpAB.right(), C.impl());
FLENS_BLASLOG_END;
return;
}
//
// get factor beta
//
typedef typename PruneScaling<MD>::ScalingType SMD;
const SMD &beta = PruneScaling<MD>::getFactor(DpAB.left());
//
// Rest gets done by the mm switch
//
const auto &A = DpAB.right().left();
const auto &B = DpAB.right().right();
if (trans==NoTrans || trans==Conj) {
mmSwitch(trans, trans, One, A, B, beta, C.impl());
} else {
mmSwitch(trans, trans, One, B, A, beta, C.impl());
}
FLENS_BLASLOG_END;
}
} } // namespace blas, flens
#endif // FLENS_BLAS_CLOSURES_TWEAKS_MM_TCC
|