v0.9.0
cblas_sgbmv.c
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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"
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 }
#define F77_lda
void 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)
Definition: cblas_sgbmv.c:12
CBLAS_TRANSPOSE
Definition: cblas.h:11
int CBLAS_CallFromC
Definition: cblas_globals.c:1
#define F77_KU
#define F77_N
#define F77_incY
#define F77_TA
void F77_sgbmv(FCHAR, FINT, FINT, FINT, FINT, const float *, const float *, FINT, const float *, FINT, const float *, float *, FINT)
CBLAS_ORDER
Definition: cblas.h:10
void cblas_xerbla(int p, const char *rout, const char *form,...)
Definition: cblas_xerbla.c:8
#define F77_KL
const int N
Definition: speed_test.cpp:3
#define F77_M
#define F77_incX
int RowMajorStrg
Definition: cblas_globals.c:2