LAPACK 3.12.0
LAPACK: Linear Algebra PACKage
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cblas_sspr2.c
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1/*
2 *
3 * cblas_sspr2.c
4 * This program is a C interface to sspr2.
5 * Written by Keita Teranishi
6 * 4/6/1998
7 *
8 */
9
10#include "cblas.h"
11#include "cblas_f77.h"
12void API_SUFFIX(cblas_sspr2)(const CBLAS_LAYOUT layout, const CBLAS_UPLO Uplo,
13 const CBLAS_INT N, const float alpha, const float *X,
14 const CBLAS_INT incX, const float *Y, const CBLAS_INT incY, float *A)
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, F77_incY=incY;
25#else
26 #define F77_N N
27 #define F77_incX incX
28 #define F77_incY incY
29#endif
30
31 extern int CBLAS_CallFromC;
32 extern int RowMajorStrg;
33 RowMajorStrg = 0;
35 if (layout == CblasColMajor)
36 {
37 if (Uplo == CblasLower) UL = 'L';
38 else if (Uplo == CblasUpper) UL = 'U';
39 else
40 {
41 API_SUFFIX(cblas_xerbla)(2, "cblas_sspr2","Illegal Uplo setting, %d\n",Uplo );
43 RowMajorStrg = 0;
44 return;
45 }
46 #ifdef F77_CHAR
47 F77_UL = C2F_CHAR(&UL);
48 #endif
49
50 F77_sspr2(F77_UL, &F77_N, &alpha, X, &F77_incX, Y, &F77_incY, A);
51
52 } else if (layout == CblasRowMajor)
53 {
54 RowMajorStrg = 1;
55 if (Uplo == CblasLower) UL = 'U';
56 else if (Uplo == CblasUpper) UL = 'L';
57 else
58 {
59 API_SUFFIX(cblas_xerbla)(2, "cblas_sspr2","Illegal Uplo setting, %d\n",Uplo );
61 RowMajorStrg = 0;
62 return;
63 }
64 #ifdef F77_CHAR
65 F77_UL = C2F_CHAR(&UL);
66 #endif
67 F77_sspr2(F77_UL, &F77_N, &alpha, X, &F77_incX, Y, &F77_incY, A);
68 } else API_SUFFIX(cblas_xerbla)(1, "cblas_sspr2", "Illegal layout setting, %d\n", layout);
70 RowMajorStrg = 0;
71}
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,...)
CBLAS_LAYOUT
Definition cblas.h:39
@ CblasColMajor
Definition cblas.h:39
@ CblasRowMajor
Definition cblas.h:39
#define API_SUFFIX(a)
Definition cblas.h:57
#define CBLAS_INT
Definition cblas.h:24
#define F77_INT
#define F77_sspr2(...)
Definition cblas_f77.h:324
int CBLAS_CallFromC
int RowMajorStrg
#define F77_incX
#define F77_incY
void API_SUFFIX() cblas_sspr2(const CBLAS_LAYOUT layout, const CBLAS_UPLO Uplo, const CBLAS_INT N, const float alpha, const float *X, const CBLAS_INT incX, const float *Y, const CBLAS_INT incY, float *A)
Definition cblas_sspr2.c:12
#define F77_N
#define F77_UL