numeric-linalg

Educational material on the SciPy implementation of numerical linear algebra algorithms

NameSizeMode
..
lapack/CBLAS/src/cblas_sger.c 1171B -rw-r--r--
01
02
03
04
05
06
07
08
09
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
/*
 *
 * cblas_sger.c
 * This program is a C interface to sger.
 * Written by Keita Teranishi
 * 4/6/1998
 *
 */

#include "cblas.h"
#include "cblas_f77.h"
void API_SUFFIX(cblas_sger)(const CBLAS_LAYOUT layout, const CBLAS_INT M, const CBLAS_INT N,
                const float  alpha, const float  *X, const CBLAS_INT incX,
                const float  *Y, const CBLAS_INT incY, float  *A, const CBLAS_INT lda)
{
#ifdef F77_INT
   F77_INT F77_M=M, F77_N=N, F77_lda=lda, F77_incX=incX, F77_incY=incY;
#else
   #define F77_M M
   #define F77_N N
   #define F77_incX incX
   #define F77_incY incY
   #define F77_lda lda
#endif

   extern int CBLAS_CallFromC;
   extern int RowMajorStrg;
   RowMajorStrg = 0;

   CBLAS_CallFromC = 1;
   if (layout == CblasColMajor)
   {
      F77_sger( &F77_M, &F77_N, &alpha, X, &F77_incX, Y, &F77_incY, A,
       &F77_lda);
   }
   else if (layout == CblasRowMajor)
   {
      RowMajorStrg = 1;
      F77_sger( &F77_N, &F77_M, &alpha, Y, &F77_incY, X, &F77_incX, A,
        &F77_lda);
   }
   else API_SUFFIX(cblas_xerbla)(1, "cblas_sger", "Illegal layout setting, %d\n", layout);
   CBLAS_CallFromC = 0;
   RowMajorStrg = 0;
   return;
}