|
1
|
|
#define NPY_NO_DEPRECATED_API NPY_API_VERSION
|
|
2
|
|
#define _MULTIARRAYMODULE
|
|
3
|
|
|
|
4
|
|
#include <Python.h>
|
|
5
|
|
#include "common.h"
|
|
6
|
|
#include "vdot.h"
|
|
7
|
|
#include "npy_cblas.h"
|
|
8
|
|
|
|
9
|
|
|
|
10
|
|
/*
|
|
11
|
|
* All data is assumed aligned.
|
|
12
|
|
*/
|
|
13
|
|
NPY_NO_EXPORT void
|
|
14
|
1
|
CFLOAT_vdot(char *ip1, npy_intp is1, char *ip2, npy_intp is2,
|
|
15
|
|
char *op, npy_intp n, void *NPY_UNUSED(ignore))
|
|
16
|
|
{
|
|
17
|
|
#if defined(HAVE_CBLAS)
|
|
18
|
1
|
CBLAS_INT is1b = blas_stride(is1, sizeof(npy_cfloat));
|
|
19
|
1
|
CBLAS_INT is2b = blas_stride(is2, sizeof(npy_cfloat));
|
|
20
|
|
|
|
21
|
1
|
if (is1b && is2b) {
|
|
22
|
|
double sum[2] = {0., 0.}; /* double for stability */
|
|
23
|
|
|
|
24
|
1
|
while (n > 0) {
|
|
25
|
1
|
CBLAS_INT chunk = n < NPY_CBLAS_CHUNK ? n : NPY_CBLAS_CHUNK;
|
|
26
|
|
float tmp[2];
|
|
27
|
|
|
|
28
|
1
|
CBLAS_FUNC(cblas_cdotc_sub)((CBLAS_INT)n, ip1, is1b, ip2, is2b, tmp);
|
|
29
|
1
|
sum[0] += (double)tmp[0];
|
|
30
|
1
|
sum[1] += (double)tmp[1];
|
|
31
|
|
/* use char strides here */
|
|
32
|
1
|
ip1 += chunk * is1;
|
|
33
|
1
|
ip2 += chunk * is2;
|
|
34
|
1
|
n -= chunk;
|
|
35
|
|
}
|
|
36
|
1
|
((float *)op)[0] = (float)sum[0];
|
|
37
|
1
|
((float *)op)[1] = (float)sum[1];
|
|
38
|
|
}
|
|
39
|
|
else
|
|
40
|
|
#endif
|
|
41
|
|
{
|
|
42
|
|
float sumr = (float)0.0;
|
|
43
|
|
float sumi = (float)0.0;
|
|
44
|
|
npy_intp i;
|
|
45
|
|
|
|
46
|
0
|
for (i = 0; i < n; i++, ip1 += is1, ip2 += is2) {
|
|
47
|
0
|
const float ip1r = ((float *)ip1)[0];
|
|
48
|
0
|
const float ip1i = ((float *)ip1)[1];
|
|
49
|
0
|
const float ip2r = ((float *)ip2)[0];
|
|
50
|
0
|
const float ip2i = ((float *)ip2)[1];
|
|
51
|
|
|
|
52
|
0
|
sumr += ip1r * ip2r + ip1i * ip2i;
|
|
53
|
0
|
sumi += ip1r * ip2i - ip1i * ip2r;
|
|
54
|
|
}
|
|
55
|
0
|
((float *)op)[0] = sumr;
|
|
56
|
0
|
((float *)op)[1] = sumi;
|
|
57
|
|
}
|
|
58
|
|
}
|
|
59
|
|
|
|
60
|
|
|
|
61
|
|
/*
|
|
62
|
|
* All data is assumed aligned.
|
|
63
|
|
*/
|
|
64
|
|
NPY_NO_EXPORT void
|
|
65
|
1
|
CDOUBLE_vdot(char *ip1, npy_intp is1, char *ip2, npy_intp is2,
|
|
66
|
|
char *op, npy_intp n, void *NPY_UNUSED(ignore))
|
|
67
|
|
{
|
|
68
|
|
#if defined(HAVE_CBLAS)
|
|
69
|
1
|
CBLAS_INT is1b = blas_stride(is1, sizeof(npy_cdouble));
|
|
70
|
1
|
CBLAS_INT is2b = blas_stride(is2, sizeof(npy_cdouble));
|
|
71
|
|
|
|
72
|
1
|
if (is1b && is2b) {
|
|
73
|
|
double sum[2] = {0., 0.}; /* double for stability */
|
|
74
|
|
|
|
75
|
1
|
while (n > 0) {
|
|
76
|
1
|
CBLAS_INT chunk = n < NPY_CBLAS_CHUNK ? n : NPY_CBLAS_CHUNK;
|
|
77
|
|
double tmp[2];
|
|
78
|
|
|
|
79
|
1
|
CBLAS_FUNC(cblas_zdotc_sub)((CBLAS_INT)n, ip1, is1b, ip2, is2b, tmp);
|
|
80
|
1
|
sum[0] += (double)tmp[0];
|
|
81
|
1
|
sum[1] += (double)tmp[1];
|
|
82
|
|
/* use char strides here */
|
|
83
|
1
|
ip1 += chunk * is1;
|
|
84
|
1
|
ip2 += chunk * is2;
|
|
85
|
1
|
n -= chunk;
|
|
86
|
|
}
|
|
87
|
1
|
((double *)op)[0] = (double)sum[0];
|
|
88
|
1
|
((double *)op)[1] = (double)sum[1];
|
|
89
|
|
}
|
|
90
|
|
else
|
|
91
|
|
#endif
|
|
92
|
|
{
|
|
93
|
|
double sumr = (double)0.0;
|
|
94
|
|
double sumi = (double)0.0;
|
|
95
|
|
npy_intp i;
|
|
96
|
|
|
|
97
|
0
|
for (i = 0; i < n; i++, ip1 += is1, ip2 += is2) {
|
|
98
|
0
|
const double ip1r = ((double *)ip1)[0];
|
|
99
|
0
|
const double ip1i = ((double *)ip1)[1];
|
|
100
|
0
|
const double ip2r = ((double *)ip2)[0];
|
|
101
|
0
|
const double ip2i = ((double *)ip2)[1];
|
|
102
|
|
|
|
103
|
0
|
sumr += ip1r * ip2r + ip1i * ip2i;
|
|
104
|
0
|
sumi += ip1r * ip2i - ip1i * ip2r;
|
|
105
|
|
}
|
|
106
|
0
|
((double *)op)[0] = sumr;
|
|
107
|
0
|
((double *)op)[1] = sumi;
|
|
108
|
|
}
|
|
109
|
|
}
|
|
110
|
|
|
|
111
|
|
|
|
112
|
|
/*
|
|
113
|
|
* All data is assumed aligned.
|
|
114
|
|
*/
|
|
115
|
|
NPY_NO_EXPORT void
|
|
116
|
1
|
CLONGDOUBLE_vdot(char *ip1, npy_intp is1, char *ip2, npy_intp is2,
|
|
117
|
|
char *op, npy_intp n, void *NPY_UNUSED(ignore))
|
|
118
|
|
{
|
|
119
|
1
|
npy_longdouble tmpr = 0.0L;
|
|
120
|
1
|
npy_longdouble tmpi = 0.0L;
|
|
121
|
|
npy_intp i;
|
|
122
|
|
|
|
123
|
1
|
for (i = 0; i < n; i++, ip1 += is1, ip2 += is2) {
|
|
124
|
1
|
const npy_longdouble ip1r = ((npy_longdouble *)ip1)[0];
|
|
125
|
1
|
const npy_longdouble ip1i = ((npy_longdouble *)ip1)[1];
|
|
126
|
1
|
const npy_longdouble ip2r = ((npy_longdouble *)ip2)[0];
|
|
127
|
1
|
const npy_longdouble ip2i = ((npy_longdouble *)ip2)[1];
|
|
128
|
|
|
|
129
|
1
|
tmpr += ip1r * ip2r + ip1i * ip2i;
|
|
130
|
1
|
tmpi += ip1r * ip2i - ip1i * ip2r;
|
|
131
|
|
}
|
|
132
|
1
|
((npy_longdouble *)op)[0] = tmpr;
|
|
133
|
1
|
((npy_longdouble *)op)[1] = tmpi;
|
|
134
|
|
}
|
|
135
|
|
|
|
136
|
|
/*
|
|
137
|
|
* All data is assumed aligned.
|
|
138
|
|
*/
|
|
139
|
|
NPY_NO_EXPORT void
|
|
140
|
1
|
OBJECT_vdot(char *ip1, npy_intp is1, char *ip2, npy_intp is2, char *op, npy_intp n,
|
|
141
|
|
void *NPY_UNUSED(ignore))
|
|
142
|
|
{
|
|
143
|
|
npy_intp i;
|
|
144
|
1
|
PyObject *tmp0, *tmp1, *tmp2, *tmp = NULL;
|
|
145
|
|
PyObject **tmp3;
|
|
146
|
1
|
for (i = 0; i < n; i++, ip1 += is1, ip2 += is2) {
|
|
147
|
1
|
if ((*((PyObject **)ip1) == NULL) || (*((PyObject **)ip2) == NULL)) {
|
|
148
|
0
|
tmp1 = Py_False;
|
|
149
|
0
|
Py_INCREF(Py_False);
|
|
150
|
|
}
|
|
151
|
|
else {
|
|
152
|
1
|
tmp0 = PyObject_CallMethod(*((PyObject **)ip1), "conjugate", NULL);
|
|
153
|
1
|
if (tmp0 == NULL) {
|
|
154
|
0
|
Py_XDECREF(tmp);
|
|
155
|
|
return;
|
|
156
|
|
}
|
|
157
|
1
|
tmp1 = PyNumber_Multiply(tmp0, *((PyObject **)ip2));
|
|
158
|
1
|
Py_DECREF(tmp0);
|
|
159
|
1
|
if (tmp1 == NULL) {
|
|
160
|
0
|
Py_XDECREF(tmp);
|
|
161
|
|
return;
|
|
162
|
|
}
|
|
163
|
|
}
|
|
164
|
1
|
if (i == 0) {
|
|
165
|
|
tmp = tmp1;
|
|
166
|
|
}
|
|
167
|
|
else {
|
|
168
|
1
|
tmp2 = PyNumber_Add(tmp, tmp1);
|
|
169
|
1
|
Py_XDECREF(tmp);
|
|
170
|
1
|
Py_XDECREF(tmp1);
|
|
171
|
1
|
if (tmp2 == NULL) {
|
|
172
|
|
return;
|
|
173
|
|
}
|
|
174
|
|
tmp = tmp2;
|
|
175
|
|
}
|
|
176
|
|
}
|
|
177
|
1
|
tmp3 = (PyObject**) op;
|
|
178
|
1
|
tmp2 = *tmp3;
|
|
179
|
1
|
*((PyObject **)op) = tmp;
|
|
180
|
1
|
Py_XDECREF(tmp2);
|
|
181
|
|
}
|
BvB93