LAPACK  3.10.0
LAPACK: Linear Algebra PACKage
cblas_ssbmv.c
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1 /*
2  *
3  * cblas_ssbmv.c
4  * This program is a C interface to ssbmv.
5  * Written by Keita Teranishi
6  * 4/6/1998
7  *
8  */
9 #include "cblas.h"
10 #include "cblas_f77.h"
11 void cblas_ssbmv(const CBLAS_LAYOUT layout, const CBLAS_UPLO Uplo,
12  const CBLAS_INDEX N, const CBLAS_INDEX K, const float alpha, const float *A,
13  const CBLAS_INDEX lda, const float *X, const CBLAS_INDEX incX,
14  const float beta, float *Y, const CBLAS_INDEX incY)
15 {
16  char UL;
17 #ifdef F77_CHAR
18  F77_CHAR F77_UL;
19 #else
20  #define F77_UL &UL
21 #endif
22 
23 #ifdef F77_INT
24  F77_INT F77_N=N, F77_K=K, F77_lda=lda, F77_incX=incX, F77_incY=incY;
25 #else
26  #define F77_N N
27  #define F77_K K
28  #define F77_lda lda
29  #define F77_incX incX
30  #define F77_incY incY
31 #endif
32  extern int CBLAS_CallFromC;
33  extern int RowMajorStrg;
34  RowMajorStrg = 0;
35 
36  CBLAS_CallFromC = 1;
37  if (layout == CblasColMajor)
38  {
39 
40  if (Uplo == CblasUpper) UL = 'U';
41  else if (Uplo == CblasLower) UL = 'L';
42  else
43  {
44  cblas_xerbla(2, "cblas_ssbmv","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_ssbmv(F77_UL, &F77_N, &F77_K, &alpha, A, &F77_lda, X,
53  &F77_incX, &beta, Y, &F77_incY);
54  }else if (layout == CblasRowMajor)
55  {
56  RowMajorStrg = 1;
57  if (Uplo == CblasUpper) UL = 'L';
58  else if (Uplo == CblasLower) UL = 'U';
59  else
60  {
61  cblas_xerbla(2, "cblas_ssbmv","Illegal Uplo setting, %d\n", Uplo);
62  CBLAS_CallFromC = 0;
63  RowMajorStrg = 0;
64  return;
65  }
66  #ifdef F77_CHAR
67  F77_UL = C2F_CHAR(&UL);
68  #endif
69  F77_ssbmv(F77_UL, &F77_N, &F77_K, &alpha, A, &F77_lda, X,
70  &F77_incX, &beta, Y, &F77_incY);
71  }
72  else cblas_xerbla(1, "cblas_ssbmv", "Illegal layout setting, %d\n", layout);
73  CBLAS_CallFromC = 0;
74  RowMajorStrg = 0;
75  return;
76 }
void F77_ssbmv(int *layout, char *uplow, int *n, int *k, float *alpha, float *a, int *lda, float *x, int *incx, float *beta, float *y, int *incy)
Definition: c_sblas2.c:317
#define CBLAS_INDEX
Definition: cblas.h:16
CBLAS_UPLO
Definition: cblas.h:21
@ CblasLower
Definition: cblas.h:21
@ CblasUpper
Definition: cblas.h:21
CBLAS_LAYOUT
Definition: cblas.h:19
@ CblasColMajor
Definition: cblas.h:19
@ CblasRowMajor
Definition: cblas.h:19
void cblas_xerbla(CBLAS_INDEX p, const char *rout, const char *form,...)
Definition: cblas_xerbla.c:12
#define F77_INT
Definition: cblas_f77.h:30
int CBLAS_CallFromC
Definition: cblas_globals.c:1
int RowMajorStrg
Definition: cblas_globals.c:2
#define F77_incX
#define F77_incY
#define F77_K
void cblas_ssbmv(const CBLAS_LAYOUT layout, const CBLAS_UPLO Uplo, const CBLAS_INDEX N, const CBLAS_INDEX K, const float alpha, const float *A, const CBLAS_INDEX lda, const float *X, const CBLAS_INDEX incX, const float beta, float *Y, const CBLAS_INDEX incY)
Definition: cblas_ssbmv.c:11
#define F77_N
#define F77_lda
#define F77_UL
#define N
Definition: example_user.c:10