1 #include "blis.h"
2 #ifdef BLIS_ENABLE_CBLAS
3 /*
4 *
5 * cblas_dsbmv.c
6 * This program is a C interface to dsbmv.
7 * Written by Keita Teranishi
8 * 4/6/1998
9 *
10 */
11
12 #include "cblas.h"
13 #include "cblas_f77.h"
cblas_dsbmv(enum CBLAS_ORDER order,enum CBLAS_UPLO Uplo,f77_int N,f77_int K,double alpha,const double * A,f77_int lda,const double * X,f77_int incX,double beta,double * Y,f77_int incY)14 void cblas_dsbmv(enum CBLAS_ORDER order,
15 enum CBLAS_UPLO Uplo, f77_int N, f77_int K,
16 double alpha, const double *A, f77_int lda,
17 const double *X, f77_int incX, double beta,
18 double *Y, f77_int incY)
19 {
20 char UL;
21 #ifdef F77_CHAR
22 F77_CHAR F77_UL;
23 #else
24 #define F77_UL &UL
25 #endif
26 #ifdef F77_INT
27 F77_INT F77_N=N, F77_K=K, F77_lda=lda, F77_incX=incX, F77_incY=incY;
28 #else
29 #define F77_N N
30 #define F77_K K
31 #define F77_lda lda
32 #define F77_incX incX
33 #define F77_incY incY
34 #endif
35 extern int CBLAS_CallFromC;
36 extern int RowMajorStrg;
37 RowMajorStrg = 0;
38
39 CBLAS_CallFromC = 1;
40 if (order == CblasColMajor)
41 {
42 if (Uplo == CblasUpper) UL = 'U';
43 else if (Uplo == CblasLower) UL = 'L';
44 else
45 {
46 cblas_xerbla(2, "cblas_dsbmv","Illegal Uplo setting, %d\n",Uplo );
47 CBLAS_CallFromC = 0;
48 RowMajorStrg = 0;
49 return;
50 }
51 #ifdef F77_CHAR
52 F77_UL = C2F_CHAR(&UL);
53 #endif
54 F77_dsbmv(F77_UL, &F77_N, &F77_K, &alpha, A, &F77_lda, X,
55 &F77_incX, &beta, Y, &F77_incY);
56 }
57 else if (order == CblasRowMajor)
58 {
59 RowMajorStrg = 1;
60 if (Uplo == CblasUpper) UL = 'L';
61 else if (Uplo == CblasLower) UL = 'U';
62 else
63 {
64 cblas_xerbla(2, "cblas_dsbmv","Illegal Uplo setting, %d\n", Uplo);
65 CBLAS_CallFromC = 0;
66 RowMajorStrg = 0;
67 return;
68 }
69 #ifdef F77_CHAR
70 F77_UL = C2F_CHAR(&UL);
71 #endif
72 F77_dsbmv(F77_UL, &F77_N, &F77_K, &alpha,
73 A ,&F77_lda, X,&F77_incX, &beta, Y, &F77_incY);
74 }
75 else cblas_xerbla(1, "cblas_dsbmv", "Illegal Order setting, %d\n", order);
76 CBLAS_CallFromC = 0;
77 RowMajorStrg = 0;
78 return;
79 }
80 #endif
81