1 /*
2 *
3 * cblas_sgbmv.c
4 * This program is a C interface to sgbmv.
5 * Written by Keita Teranishi
6 * 4/6/1998
7 *
8 */
9
10 #include "cblas.h"
11 #include "cblas_f77.h"
cblas_sgbmv(const enum CBLAS_ORDER order,const enum CBLAS_TRANSPOSE TransA,const int M,const int N,const int KL,const int KU,const float alpha,const float * A,const int lda,const float * X,const int incX,const float beta,float * Y,const int incY)12 void cblas_sgbmv(const enum CBLAS_ORDER order,
13 const enum CBLAS_TRANSPOSE TransA, const int M, const int N,
14 const int KL, const int KU,
15 const float alpha, const float *A, const int lda,
16 const float *X, const int incX, const float beta,
17 float *Y, const int incY)
18 {
19 char TA;
20 #ifdef F77_CHAR
21 F77_CHAR F77_TA;
22 #else
23 #define F77_TA &TA
24 #endif
25 #ifdef F77_INT
26 F77_INT F77_M=M, F77_N=N, F77_lda=lda, F77_incX=incX, F77_incY=incY;
27 F77_INT F77_KL=KL,F77_KU=KU;
28 #else
29 #define F77_M M
30 #define F77_N N
31 #define F77_lda lda
32 #define F77_KL KL
33 #define F77_KU KU
34 #define F77_incX incX
35 #define F77_incY incY
36 #endif
37 extern int CBLAS_CallFromC;
38 extern int RowMajorStrg;
39 RowMajorStrg = 0;
40
41 CBLAS_CallFromC = 1;
42 if (order == CblasColMajor)
43 {
44 if (TransA == CblasNoTrans) TA = 'N';
45 else if (TransA == CblasTrans) TA = 'T';
46 else if (TransA == CblasConjTrans) TA = 'C';
47 else
48 {
49 cblas_xerbla(2, "cblas_sgbmv","Illegal TransA setting, %d\n", TransA);
50 CBLAS_CallFromC = 0;
51 RowMajorStrg = 0;
52 return;
53 }
54 #ifdef F77_CHAR
55 F77_TA = C2F_CHAR(&TA);
56 #endif
57 F77_sgbmv(F77_TA, &F77_M, &F77_N, &F77_KL, &F77_KU, &alpha,
58 A, &F77_lda, X, &F77_incX, &beta, Y, &F77_incY);
59 }
60 else if (order == CblasRowMajor)
61 {
62 RowMajorStrg = 1;
63 if (TransA == CblasNoTrans) TA = 'T';
64 else if (TransA == CblasTrans) TA = 'N';
65 else if (TransA == CblasConjTrans) TA = 'N';
66 else
67 {
68 cblas_xerbla(2, "cblas_sgbmv","Illegal TransA setting, %d\n", TransA);
69 CBLAS_CallFromC = 0;
70 RowMajorStrg = 0;
71 return;
72 }
73 #ifdef F77_CHAR
74 F77_TA = C2F_CHAR(&TA);
75 #endif
76 F77_sgbmv(F77_TA, &F77_N, &F77_M, &F77_KU, &F77_KL, &alpha,
77 A ,&F77_lda, X, &F77_incX, &beta, Y, &F77_incY);
78 }
79 else cblas_xerbla(1, "cblas_sgbmv", "Illegal Order setting, %d\n", order);
80 CBLAS_CallFromC = 0;
81 RowMajorStrg = 0;
82 return;
83 }
84