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"
cblas_ssbmv(const enum CBLAS_ORDER order,const enum CBLAS_UPLO Uplo,const CBLAS_INT_TYPE N,const CBLAS_INT_TYPE K,const float alpha,const float * A,const CBLAS_INT_TYPE lda,const float * X,const CBLAS_INT_TYPE incX,const float beta,float * Y,const CBLAS_INT_TYPE incY)11 void cblas_ssbmv(const enum CBLAS_ORDER order, const enum CBLAS_UPLO Uplo,
12 const CBLAS_INT_TYPE N, const CBLAS_INT_TYPE K, const float alpha, const float *A,
13 const CBLAS_INT_TYPE lda, const float *X, const CBLAS_INT_TYPE incX,
14 const float beta, float *Y, const CBLAS_INT_TYPE 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
33 if (order == CblasColMajor)
34 {
35
36 if (Uplo == CblasUpper) UL = 'U';
37 else if (Uplo == CblasLower) UL = 'L';
38 else
39 {
40 cblas_xerbla(2, "cblas_ssbmv","Illegal Uplo setting, %d\n",Uplo );
41 return;
42 }
43 #ifdef F77_CHAR
44 F77_UL = C2F_CHAR(&UL);
45 #endif
46 F77_ssbmv(F77_UL, &F77_N, &F77_K, &alpha, A, &F77_lda, X,
47 &F77_incX, &beta, Y, &F77_incY);
48 }else if (order == CblasRowMajor)
49 {
50 if (Uplo == CblasUpper) UL = 'L';
51 else if (Uplo == CblasLower) UL = 'U';
52 else
53 {
54 cblas_xerbla(2, "cblas_ssbmv","Illegal Uplo setting, %d\n", Uplo);
55 return;
56 }
57 #ifdef F77_CHAR
58 F77_UL = C2F_CHAR(&UL);
59 #endif
60 F77_ssbmv(F77_UL, &F77_N, &F77_K, &alpha, A, &F77_lda, X,
61 &F77_incX, &beta, Y, &F77_incY);
62 }
63 else cblas_xerbla(1, "cblas_ssbmv", "Illegal Order setting, %d\n", order);
64 return;
65 }
66