LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
Loading...
Searching...
No Matches
cblas_dspr.c
Go to the documentation of this file.
1/*
2 *
3 * cblas_dspr.c
4 * This program is a C interface to dspr.
5 * Written by Keita Teranishi
6 * 4/6/1998
7 *
8 */
9
10#include "cblas.h"
11#include "cblas_f77.h"
12void cblas_dspr(const CBLAS_LAYOUT layout, const CBLAS_UPLO Uplo,
13 const CBLAS_INT N, const double alpha, const double *X,
14 const CBLAS_INT incX, double *Ap)
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_incX=incX;
25#else
26 #define F77_N N
27 #define F77_incX incX
28#endif
29 extern int CBLAS_CallFromC;
30 extern int RowMajorStrg;
31 RowMajorStrg = 0;
33 if (layout == CblasColMajor)
34 {
35 if (Uplo == CblasLower) UL = 'L';
36 else if (Uplo == CblasUpper) UL = 'U';
37 else
38 {
39 cblas_xerbla(2, "cblas_dspr","Illegal Uplo setting, %d\n",Uplo );
41 RowMajorStrg = 0;
42 return;
43 }
44 #ifdef F77_CHAR
45 F77_UL = C2F_CHAR(&UL);
46 #endif
47
48 F77_dspr(F77_UL, &F77_N, &alpha, X, &F77_incX, Ap);
49
50 } else if (layout == CblasRowMajor)
51 {
52 RowMajorStrg = 1;
53 if (Uplo == CblasLower) UL = 'U';
54 else if (Uplo == CblasUpper) UL = 'L';
55 else
56 {
57 cblas_xerbla(2, "cblas_dspr","Illegal Uplo setting, %d\n",Uplo );
59 RowMajorStrg = 0;
60 return;
61 }
62 #ifdef F77_CHAR
63 F77_UL = C2F_CHAR(&UL);
64 #endif
65 F77_dspr(F77_UL, &F77_N, &alpha, X, &F77_incX, Ap);
66 } else cblas_xerbla(1, "cblas_dspr", "Illegal layout setting, %d\n", layout);
68 RowMajorStrg = 0;
69 return;
70}
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_N
void cblas_dspr(const CBLAS_LAYOUT layout, const CBLAS_UPLO Uplo, const CBLAS_INT N, const double alpha, const double *X, const CBLAS_INT incX, double *Ap)
Definition: cblas_dspr.c:12
#define F77_UL
#define F77_dspr(...)
Definition: cblas_f77.h:327
#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