v0.9.0
cblas_dsbmv.c
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1 /*
2  *
3  * cblas_dsbmv.c
4  * This program is a C interface to dsbmv.
5  * Written by Keita Teranishi
6  * 4/6/1998
7  *
8  */
9 
10 #include "cblas.h"
11 #include "cblas_f77.h"
12 void cblas_dsbmv(const enum CBLAS_ORDER order,
13  const enum CBLAS_UPLO Uplo, const int N, const int K,
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 UL;
19 #ifdef F77_CHAR
20  F77_CHAR F77_UL;
21 #else
22  #define F77_UL &UL
23 #endif
24 #ifdef F77_INT
25  F77_INT F77_N=N, F77_K=K, F77_lda=lda, F77_incX=incX, F77_incY=incY;
26 #else
27  #define F77_N N
28  #define F77_K K
29  #define F77_lda lda
30  #define F77_incX incX
31  #define F77_incY incY
32 #endif
33  extern int CBLAS_CallFromC;
34  extern int RowMajorStrg;
35  RowMajorStrg = 0;
36 
37  CBLAS_CallFromC = 1;
38  if (order == CblasColMajor)
39  {
40  if (Uplo == CblasUpper) UL = 'U';
41  else if (Uplo == CblasLower) UL = 'L';
42  else
43  {
44  cblas_xerbla(2, "cblas_dsbmv","Illegal Uplo setting, %d\n",Uplo );
45  CBLAS_CallFromC = 0;
46  RowMajorStrg = 0;
47  return;
48  }
49  #ifdef F77_CHAR
50  F77_UL = C2F_CHAR(&UL);
51  #endif
52  F77_dsbmv(F77_UL, &F77_N, &F77_K, &alpha, A, &F77_lda, X,
53  &F77_incX, &beta, Y, &F77_incY);
54  }
55  else if (order == CblasRowMajor)
56  {
57  RowMajorStrg = 1;
58  if (Uplo == CblasUpper) UL = 'L';
59  else if (Uplo == CblasLower) UL = 'U';
60  else
61  {
62  cblas_xerbla(2, "cblas_dsbmv","Illegal Uplo setting, %d\n", Uplo);
63  CBLAS_CallFromC = 0;
64  RowMajorStrg = 0;
65  return;
66  }
67  #ifdef F77_CHAR
68  F77_UL = C2F_CHAR(&UL);
69  #endif
70  F77_dsbmv(F77_UL, &F77_N, &F77_K, &alpha,
71  A ,&F77_lda, X,&F77_incX, &beta, Y, &F77_incY);
72  }
73  else cblas_xerbla(1, "cblas_dsbmv", "Illegal Order setting, %d\n", order);
74  CBLAS_CallFromC = 0;
75  RowMajorStrg = 0;
76  return;
77 }
#define F77_incX
#define F77_UL
CBLAS_UPLO
Definition: cblas.h:12
#define F77_incY
int CBLAS_CallFromC
Definition: cblas_globals.c:1
CBLAS_ORDER
Definition: cblas.h:10
#define F77_N
void F77_dsbmv(FCHAR, FINT, FINT, const double *, const double *, FINT, const double *, FINT, const double *, double *, FINT)
#define F77_lda
void cblas_xerbla(int p, const char *rout, const char *form,...)
Definition: cblas_xerbla.c:8
#define F77_K
const int N
Definition: speed_test.cpp:3
void cblas_dsbmv(const enum CBLAS_ORDER order, const enum CBLAS_UPLO Uplo, const int N, const int K, const double alpha, const double *A, const int lda, const double *X, const int incX, const double beta, double *Y, const int incY)
Definition: cblas_dsbmv.c:12
int RowMajorStrg
Definition: cblas_globals.c:2