LAPACK 3.12.0
LAPACK: Linear Algebra PACKage
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cblas_ssyr2.c
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1/*
2 *
3 * cblas_ssyr2.c
4 * This program is a C interface to ssyr2.
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_ssyr2)(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 const CBLAS_INT lda)
16{
17 char UL;
18#ifdef F77_CHAR
19 F77_CHAR F77_UL;
20#else
21 #define F77_UL &UL
22#endif
23
24#ifdef F77_INT
25 F77_INT F77_N=N, F77_incX=incX, F77_incY=incY, F77_lda=lda;
26#else
27 #define F77_N N
28 #define F77_incX incX
29 #define F77_incY incY
30 #define F77_lda lda
31#endif
32
33 extern int CBLAS_CallFromC;
34 extern int RowMajorStrg;
35 RowMajorStrg = 0;
37 if (layout == CblasColMajor)
38 {
39 if (Uplo == CblasLower) UL = 'L';
40 else if (Uplo == CblasUpper) UL = 'U';
41 else
42 {
43 API_SUFFIX(cblas_xerbla)(2, "cblas_ssyr2","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
52 F77_ssyr2(F77_UL, &F77_N, &alpha, X, &F77_incX, Y, &F77_incY, A,
53 &F77_lda);
54
55 } else if (layout == CblasRowMajor)
56 {
57 RowMajorStrg = 1;
58 if (Uplo == CblasLower) UL = 'U';
59 else if (Uplo == CblasUpper) UL = 'L';
60 else
61 {
62 API_SUFFIX(cblas_xerbla)(2, "cblas_ssyr2","Illegal Uplo setting, %d\n",Uplo );
64 RowMajorStrg = 0;
65 return;
66 }
67 #ifdef F77_CHAR
68 F77_UL = C2F_CHAR(&UL);
69 #endif
70 F77_ssyr2(F77_UL, &F77_N, &alpha, X, &F77_incX, Y, &F77_incY, A,
71 &F77_lda);
72 } else API_SUFFIX(cblas_xerbla)(1, "cblas_ssyr2", "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,...)
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_ssyr2(...)
Definition cblas_f77.h:325
int CBLAS_CallFromC
int RowMajorStrg
#define F77_incX
#define F77_incY
#define F77_N
#define F77_lda
void API_SUFFIX() cblas_ssyr2(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, const CBLAS_INT lda)
Definition cblas_ssyr2.c:12
#define F77_UL