LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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cblas_dspmv.c
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1/*
2 *
3 * cblas_dspmv.c
4 * This program is a C interface to dspmv.
5 * Written by Keita Teranishi
6 * 4/6/1998
7 *
8 */
9
10
11#include "cblas.h"
12#include "cblas_f77.h"
13void cblas_dspmv(const CBLAS_LAYOUT layout,
14 const CBLAS_UPLO Uplo, const CBLAS_INT N,
15 const double alpha, const double *AP,
16 const double *X, const CBLAS_INT incX, const double beta,
17 double *Y, const CBLAS_INT incY)
18{
19 char UL;
20#ifdef F77_CHAR
21 F77_CHAR F77_UL;
22#else
23 #define F77_UL &UL
24#endif
25#ifdef F77_INT
26 F77_INT F77_N=N, F77_incX=incX, F77_incY=incY;
27#else
28 #define F77_N N
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 if (Uplo == CblasUpper) UL = 'U';
40 else if (Uplo == CblasLower) UL = 'L';
41 else
42 {
43 cblas_xerbla(2, "cblas_dspmv","Illegal Uplo setting, %d\n",Uplo );
45 RowMajorStrg = 0;
46 return;
47 }
48 #ifdef F77_CHAR
49 F77_UL = C2F_CHAR(&UL);
50 #endif
51 F77_dspmv(F77_UL, &F77_N, &alpha, AP, X,
52 &F77_incX, &beta, Y, &F77_incY);
53 }
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_dspmv","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_dspmv(F77_UL, &F77_N, &alpha,
70 AP, X,&F77_incX, &beta, Y, &F77_incY);
71 }
72 else cblas_xerbla(1, "cblas_dspmv", "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_incX
#define F77_incY
void cblas_dspmv(const CBLAS_LAYOUT layout, const CBLAS_UPLO Uplo, const CBLAS_INT N, const double alpha, const double *AP, const double *X, const CBLAS_INT incX, const double beta, double *Y, const CBLAS_INT incY)
Definition: cblas_dspmv.c:13
#define F77_N
#define F77_UL
#define F77_dspmv(...)
Definition: cblas_f77.h:319
#define F77_INT
Definition: cblas_f77.h:32
int CBLAS_CallFromC
Definition: cblas_globals.c:1
int RowMajorStrg
Definition: cblas_globals.c:2
#define N
Definition: example_user.c:10