01: /*
02:  *
03:  * cblas_ssbmv.c
04:  * This program is a C interface to ssbmv.
05:  * Written by Keita Teranishi
06:  * 4/6/1998
07:  *
08:  */
09: #include "cblas.h"
10: #include "cblas_f77.h"
11: void 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: