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
107
108
109
110
|
#ifndef TNet_Vector_cc
#define TNet_Vector_cc
#include <cstdlib>
#include <cmath>
#include <cstring>
#include <fstream>
#include <iomanip>
#include "Common.h"
#ifdef HAVE_ATLAS
extern "C"{
#include <cblas.h>
}
#endif
#include "Common.h"
#include "Matrix.h"
#include "Vector.h"
namespace TNet
{
#ifdef HAVE_ATLAS
template<>
float
BlasDot<>(const Vector<float>& rA, const Vector<float>& rB)
{
assert(rA.mDim == rB.mDim);
return cblas_sdot(rA.mDim, rA.pData(), 1, rB.pData(), 1);
}
template<>
double
BlasDot<>(const Vector<double>& rA, const Vector<double>& rB)
{
assert(rA.mDim == rB.mDim);
return cblas_ddot(rA.mDim, rA.pData(), 1, rB.pData(), 1);
}
template<>
Vector<float>&
Vector<float>::
BlasAxpy(const float alpha, const Vector<float>& rV)
{
assert(mDim == rV.mDim);
cblas_saxpy(mDim, alpha, rV.pData(), 1, mpData, 1);
return *this;
}
template<>
Vector<double>&
Vector<double>::
BlasAxpy(const double alpha, const Vector<double>& rV)
{
assert(mDim == rV.mDim);
cblas_daxpy(mDim, alpha, rV.pData(), 1, mpData, 1);
return *this;
}
template<>
Vector<int>&
Vector<int>::
BlasAxpy(const int alpha, const Vector<int>& rV)
{
assert(mDim == rV.mDim);
for(int i=0; i<Dim(); i++) {
(*this)[i] += rV[i];
}
return *this;
}
template<>
Vector<float>&
Vector<float>::
BlasGemv(const float alpha, const Matrix<float>& rM, MatrixTrasposeType trans, const Vector<float>& rV, const float beta)
{
assert((trans == NO_TRANS && rM.Cols() == rV.mDim && rM.Rows() == mDim)
|| (trans == TRANS && rM.Rows() == rV.mDim && rM.Cols() == mDim));
cblas_sgemv(CblasRowMajor, static_cast<CBLAS_TRANSPOSE>(trans), rM.Rows(), rM.Cols(), alpha, rM.pData(), rM.Stride(),
rV.pData(), 1, beta, mpData, 1);
return *this;
}
template<>
Vector<double>&
Vector<double>::
BlasGemv(const double alpha, const Matrix<double>& rM, MatrixTrasposeType trans, const Vector<double>& rV, const double beta)
{
assert((trans == NO_TRANS && rM.Cols() == rV.mDim && rM.Rows() == mDim)
|| (trans == TRANS && rM.Rows() == rV.mDim && rM.Cols() == mDim));
cblas_dgemv(CblasRowMajor, static_cast<CBLAS_TRANSPOSE>(trans), rM.Rows(), rM.Cols(), alpha, rM.pData(), rM.Stride(),
rV.pData(), 1, beta, mpData, 1);
return *this;
}
#else
#error Routines in this section are not implemented yet without BLAS
#endif
} // namespace TNet
#endif // TNet_Vector_tcc
|