1 /*
2 *
3 * cblas_dgbmv.c
4 * This program is a C interface to dgbmv.
5 * Written by Keita Teranishi
6 * 4/6/1998
7 *
8 */
9 #include "cblas.h"
10 #include "cblas_f77.h"
cblas_dgbmv(const enum CBLAS_ORDER order,const enum CBLAS_TRANSPOSE TransA,const int M,const int N,const int KL,const int KU,const double alpha,const double * A,const int lda,const double * X,const int incX,const double beta,double * Y,const int incY)11 void cblas_dgbmv(const enum CBLAS_ORDER order,
12 const enum CBLAS_TRANSPOSE TransA, const int M, const int N,
13 const int KL, const int KU,
14 const double alpha, const double *A, const int lda,
15 const double *X, const int incX, const double beta,
16 double *Y, const int incY)
17 {
18 char TA;
19 #ifdef F77_CHAR
20 F77_CHAR F77_TA;
21 #else
22 #define F77_TA &TA
23 #endif
24 #ifdef F77_INT
25 F77_INT F77_M=M, F77_N=N, F77_lda=lda, F77_incX=incX, F77_incY=incY;
26 F77_INT F77_KL=KL,F77_KU=KU;
27 #else
28 #define F77_M M
29 #define F77_N N
30 #define F77_lda lda
31 #define F77_KL KL
32 #define F77_KU KU
33 #define F77_incX incX
34 #define F77_incY incY
35 #endif
36 extern int CBLAS_CallFromC;
37 extern int RowMajorStrg;
38 RowMajorStrg = 0;
39
40 CBLAS_CallFromC = 1;
41 if (order == CblasColMajor)
42 {
43 if (TransA == CblasNoTrans) TA = 'N';
44 else if (TransA == CblasTrans) TA = 'T';
45 else if (TransA == CblasConjTrans) TA = 'C';
46 else
47 {
48 cblas_xerbla(2, "cblas_dgbmv","Illegal TransA setting, %d\n", TransA);
49 CBLAS_CallFromC = 0;
50 RowMajorStrg = 0;
51 return;
52 }
53 #ifdef F77_CHAR
54 F77_TA = C2F_CHAR(&TA);
55 #endif
56 F77_dgbmv(F77_TA, &F77_M, &F77_N, &F77_KL, &F77_KU, &alpha,
57 A, &F77_lda, X, &F77_incX, &beta, Y, &F77_incY);
58 }
59 else if (order == CblasRowMajor)
60 {
61 RowMajorStrg = 1;
62 if (TransA == CblasNoTrans) TA = 'T';
63 else if (TransA == CblasTrans) TA = 'N';
64 else if (TransA == CblasConjTrans) TA = 'N';
65 else
66 {
67 cblas_xerbla(2, "cblas_dgbmv","Illegal TransA setting, %d\n", TransA);
68 CBLAS_CallFromC = 0;
69 RowMajorStrg = 0;
70 return;
71 }
72 #ifdef F77_CHAR
73 F77_TA = C2F_CHAR(&TA);
74 #endif
75 F77_dgbmv(F77_TA, &F77_N, &F77_M, &F77_KU, &F77_KL, &alpha,
76 A ,&F77_lda, X,&F77_incX, &beta, Y, &F77_incY);
77 }
78 else cblas_xerbla(1, "cblas_dgbmv", "Illegal Order setting, %d\n", order);
79 CBLAS_CallFromC = 0;
80 RowMajorStrg = 0;
81 }
82