LAPACK 3.12.0
LAPACK: Linear Algebra PACKage
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cblas_dsyrk.c
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1/*
2 *
3 * cblas_dsyrk.c
4 * This program is a C interface to dsyrk.
5 * Written by Keita Teranishi
6 * 4/8/1998
7 *
8 */
9
10#include "cblas.h"
11#include "cblas_f77.h"
12void API_SUFFIX(cblas_dsyrk)(const CBLAS_LAYOUT layout, const CBLAS_UPLO Uplo,
13 const CBLAS_TRANSPOSE Trans, const CBLAS_INT N, const CBLAS_INT K,
14 const double alpha, const double *A, const CBLAS_INT lda,
15 const double beta, double *C, const CBLAS_INT ldc)
16{
17 char UL, TR;
18#ifdef F77_CHAR
19 F77_CHAR F77_TR, F77_UL;
20#else
21 #define F77_TR &TR
22 #define F77_UL &UL
23#endif
24
25#ifdef F77_INT
26 F77_INT F77_N=N, F77_K=K, F77_lda=lda;
27 F77_INT F77_ldc=ldc;
28#else
29 #define F77_N N
30 #define F77_K K
31 #define F77_lda lda
32 #define F77_ldc ldc
33#endif
34
35 extern int CBLAS_CallFromC;
36 extern int RowMajorStrg;
37 RowMajorStrg = 0;
39
40 if( layout == CblasColMajor )
41 {
42
43 if( Uplo == CblasUpper) UL='U';
44 else if ( Uplo == CblasLower ) UL='L';
45 else
46 {
47 API_SUFFIX(cblas_xerbla)(2, "cblas_dsyrk","Illegal Uplo setting, %d\n", Uplo);
49 RowMajorStrg = 0;
50 return;
51 }
52
53 if( Trans == CblasTrans) TR ='T';
54 else if ( Trans == CblasConjTrans ) TR='C';
55 else if ( Trans == CblasNoTrans ) TR='N';
56 else
57 {
58 API_SUFFIX(cblas_xerbla)(3, "cblas_dsyrk","Illegal Trans setting, %d\n", Trans);
60 RowMajorStrg = 0;
61 return;
62 }
63
64
65 #ifdef F77_CHAR
66 F77_UL = C2F_CHAR(&UL);
67 F77_TR = C2F_CHAR(&TR);
68 #endif
69
70 F77_dsyrk(F77_UL, F77_TR, &F77_N, &F77_K, &alpha, A, &F77_lda,
71 &beta, C, &F77_ldc);
72 } else if (layout == CblasRowMajor)
73 {
74 RowMajorStrg = 1;
75 if( Uplo == CblasUpper) UL='L';
76 else if ( Uplo == CblasLower ) UL='U';
77 else
78 {
79 API_SUFFIX(cblas_xerbla)(3, "cblas_dsyrk","Illegal Uplo setting, %d\n", Uplo);
81 RowMajorStrg = 0;
82 return;
83 }
84 if( Trans == CblasTrans) TR ='N';
85 else if ( Trans == CblasConjTrans ) TR='N';
86 else if ( Trans == CblasNoTrans ) TR='T';
87 else
88 {
89 API_SUFFIX(cblas_xerbla)(3, "cblas_dsyrk","Illegal Trans setting, %d\n", Trans);
91 RowMajorStrg = 0;
92 return;
93 }
94
95 #ifdef F77_CHAR
96 F77_UL = C2F_CHAR(&UL);
97 F77_TR = C2F_CHAR(&TR);
98 #endif
99
100 F77_dsyrk(F77_UL, F77_TR, &F77_N, &F77_K, &alpha, A, &F77_lda,
101 &beta, C, &F77_ldc);
102 }
103 else API_SUFFIX(cblas_xerbla)(1, "cblas_dsyrk","Illegal layout setting, %d\n", layout);
104 CBLAS_CallFromC = 0;
105 RowMajorStrg = 0;
106 return;
107}
108
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_TRANSPOSE
Definition cblas.h:40
@ CblasNoTrans
Definition cblas.h:40
@ CblasTrans
Definition cblas.h:40
@ CblasConjTrans
Definition cblas.h:40
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
void API_SUFFIX() cblas_dsyrk(const CBLAS_LAYOUT layout, const CBLAS_UPLO Uplo, const CBLAS_TRANSPOSE Trans, const CBLAS_INT N, const CBLAS_INT K, const double alpha, const double *A, const CBLAS_INT lda, const double beta, double *C, const CBLAS_INT ldc)
Definition cblas_dsyrk.c:12
#define F77_ldc
#define F77_K
#define F77_TR
#define F77_N
#define F77_lda
#define F77_UL
#define F77_INT
#define F77_dsyrk(...)
Definition cblas_f77.h:398
int CBLAS_CallFromC
int RowMajorStrg