LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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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"
11void cblas_ssbmv(const CBLAS_LAYOUT layout, const CBLAS_UPLO Uplo,
12 const CBLAS_INT N, const CBLAS_INT K, const float alpha, const float *A,
13 const CBLAS_INT lda, const float *X, const CBLAS_INT incX,
14 const float beta, float *Y, const CBLAS_INT 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
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 );
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);
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);
74 RowMajorStrg = 0;
75 return;
76}
CBLAS_UPLO
Definition: cblas.h:41
@ CblasLower
Definition: cblas.h:41
@ CblasUpper
Definition: cblas.h:41
void cblas_xerbla(CBLAS_INT p, const char *rout, const char *form,...)
Definition: cblas_xerbla.c:12
CBLAS_LAYOUT
Definition: cblas.h:39
@ CblasColMajor
Definition: cblas.h:39
@ CblasRowMajor
Definition: cblas.h:39
#define CBLAS_INT
Definition: cblas.h:24
#define F77_ssbmv(...)
Definition: cblas_f77.h:300
#define F77_INT
Definition: cblas_f77.h:32
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_INT N, const CBLAS_INT K, const float alpha, const float *A, const CBLAS_INT lda, const float *X, const CBLAS_INT incX, const float beta, float *Y, const CBLAS_INT incY)
Definition: cblas_ssbmv.c:11
#define F77_N
#define F77_lda
#define F77_UL
#define N
Definition: example_user.c:10