1/*
2 *
3 * cblas_ssbmv.c
4 * This program is a C interface to ssbmv.
5 * Written by Keita Teranishi
6 * 4/6/1998
7 *
8 */
9#include "cblas.h"
10#include "cblas_f77.h"
11void cblas_ssbmv(const enum CBLAS_ORDER order, const enum CBLAS_UPLO Uplo,
12           const int N, const int K, const float alpha, const float *A,
13           const int lda, const float *X, const int incX,
14           const float beta, float *Y, const int incY)
15{
16   char UL;
17#ifdef F77_CHAR
18   F77_CHAR F77_UL;
19#else
20   #define F77_UL &UL
21#endif
22
23#ifdef F77_INT
24   F77_INT F77_N=N, F77_K=K, F77_lda=lda, F77_incX=incX, F77_incY=incY;
25#else
26   #define F77_N N
27   #define F77_K K
28   #define F77_lda lda
29   #define F77_incX incX
30   #define F77_incY incY
31#endif
32   extern int CBLAS_CallFromC;
33   extern int RowMajorStrg;
34   RowMajorStrg = 0;
35
36   CBLAS_CallFromC = 1;
37   if (order == CblasColMajor)
38   {
39
40      if (Uplo == CblasUpper) UL = 'U';
41      else if (Uplo == CblasLower) UL = 'L';
42      else
43      {
44         cblas_xerbla(2, "cblas_ssbmv","Illegal Uplo setting, %d\n",Uplo );
45         CBLAS_CallFromC = 0;
46         RowMajorStrg = 0;
47         return;
48      }
49      #ifdef F77_CHAR
50         F77_UL = C2F_CHAR(&UL);
51      #endif
52      F77_ssbmv(F77_UL, &F77_N, &F77_K, &alpha, A, &F77_lda, X,
53      &F77_incX, &beta, Y, &F77_incY);
54   }else if (order == CblasRowMajor)
55   {
56      RowMajorStrg = 1;
57      if (Uplo == CblasUpper) UL = 'L';
58      else if (Uplo == CblasLower) UL = 'U';
59      else
60      {
61         cblas_xerbla(2, "cblas_ssbmv","Illegal Uplo setting, %d\n", Uplo);
62         CBLAS_CallFromC = 0;
63         RowMajorStrg = 0;
64         return;
65      }
66      #ifdef F77_CHAR
67         F77_UL = C2F_CHAR(&UL);
68      #endif
69      F77_ssbmv(F77_UL, &F77_N, &F77_K, &alpha, A, &F77_lda, X,
70      &F77_incX, &beta, Y, &F77_incY);
71   }
72   else cblas_xerbla(1, "cblas_ssbmv", "Illegal Order setting, %d\n", order);
73   CBLAS_CallFromC = 0;
74   RowMajorStrg = 0;
75   return;
76}
77