aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/cblas/src/cblas_ssbmv.c
blob: 7a18630b6174590ab0c5094339292334a4108fa2 (plain) (blame)
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
/*
 *
 * cblas_ssbmv.c
 * This program is a C interface to ssbmv.
 * Written by Keita Teranishi
 * 4/6/1998
 *
 */
#include "cblas.h"
#include "cblas_f77.h"
void cblas_ssbmv(const enum CBLAS_ORDER order, const enum CBLAS_UPLO Uplo,
           const int N, const int K, const float alpha, const float *A,
           const int lda, const float *X, const int incX,
           const float beta, float *Y, const int incY)
{
   char UL;
#ifdef F77_CHAR
   F77_CHAR F77_UL;
#else
   #define F77_UL &UL   
#endif

#ifdef F77_INT
   F77_INT F77_N=N, F77_K=K, F77_lda=lda, F77_incX=incX, F77_incY=incY;
#else
   #define F77_N N
   #define F77_K K
   #define F77_lda lda
   #define F77_incX incX
   #define F77_incY incY
#endif
   extern int CBLAS_CallFromC;
   extern int RowMajorStrg;
   RowMajorStrg = 0;

   CBLAS_CallFromC = 1;
   if (order == CblasColMajor)
   {
   
      if (Uplo == CblasUpper) UL = 'U';
      else if (Uplo == CblasLower) UL = 'L';
      else 
      {
         cblas_xerbla(2, "cblas_ssbmv","Illegal Uplo setting, %d\n",Uplo );
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }
      #ifdef F77_CHAR
         F77_UL = C2F_CHAR(&UL);
      #endif
      F77_ssbmv(F77_UL, &F77_N, &F77_K, &alpha, A, &F77_lda, X,
      &F77_incX, &beta, Y, &F77_incY);
   }else if (order == CblasRowMajor)
   {
      RowMajorStrg = 1;
      if (Uplo == CblasUpper) UL = 'L';
      else if (Uplo == CblasLower) UL = 'U';
      else 
      {
         cblas_xerbla(2, "cblas_ssbmv","Illegal Uplo setting, %d\n", Uplo);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }
      #ifdef F77_CHAR
         F77_UL = C2F_CHAR(&UL);
      #endif
      F77_ssbmv(F77_UL, &F77_N, &F77_K, &alpha, A, &F77_lda, X,
      &F77_incX, &beta, Y, &F77_incY);
   }
   else cblas_xerbla(1, "cblas_ssbmv", "Illegal Order setting, %d\n", order);
   CBLAS_CallFromC = 0;
   RowMajorStrg = 0;
   return;
}