LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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cblas_csyr2k.c
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1/*
2 *
3 * cblas_csyr2k.c
4 * This program is a C interface to csyr2k.
5 * Written by Keita Teranishi
6 * 4/8/1998
7 *
8 */
9
10#include "cblas.h"
11#include "cblas_f77.h"
12void cblas_csyr2k(const CBLAS_LAYOUT layout, const CBLAS_UPLO Uplo,
13 const CBLAS_TRANSPOSE Trans, const CBLAS_INT N, const CBLAS_INT K,
14 const void *alpha, const void *A, const CBLAS_INT lda,
15 const void *B, const CBLAS_INT ldb, const void *beta,
16 void *C, const CBLAS_INT ldc)
17{
18 char UL, TR;
19#ifdef F77_CHAR
20 F77_CHAR F77_TR, F77_UL;
21#else
22 #define F77_TR &TR
23 #define F77_UL &UL
24#endif
25
26#ifdef F77_INT
27 F77_INT F77_N=N, F77_K=K, F77_lda=lda, F77_ldb=ldb;
28 F77_INT F77_ldc=ldc;
29#else
30 #define F77_N N
31 #define F77_K K
32 #define F77_lda lda
33 #define F77_ldb ldb
34 #define F77_ldc ldc
35#endif
36
37 extern int CBLAS_CallFromC;
38 extern int RowMajorStrg;
39 RowMajorStrg = 0;
41
42 if( layout == CblasColMajor )
43 {
44
45 if( Uplo == CblasUpper) UL='U';
46 else if ( Uplo == CblasLower ) UL='L';
47 else
48 {
49 cblas_xerbla(2, "cblas_csyr2k", "Illegal Uplo setting, %d\n", Uplo);
51 RowMajorStrg = 0;
52 return;
53 }
54
55 if( Trans == CblasTrans) TR ='T';
56 else if ( Trans == CblasConjTrans ) TR='C';
57 else if ( Trans == CblasNoTrans ) TR='N';
58 else
59 {
60 cblas_xerbla(3, "cblas_csyr2k", "Illegal Trans setting, %d\n", Trans);
62 RowMajorStrg = 0;
63 return;
64 }
65
66
67 #ifdef F77_CHAR
68 F77_UL = C2F_CHAR(&UL);
69 F77_TR = C2F_CHAR(&TR);
70 #endif
71
72 F77_csyr2k(F77_UL, F77_TR, &F77_N, &F77_K, alpha, A, &F77_lda,
73 B, &F77_ldb, beta, C, &F77_ldc);
74 } else if (layout == CblasRowMajor)
75 {
76 RowMajorStrg = 1;
77 if( Uplo == CblasUpper) UL='L';
78 else if ( Uplo == CblasLower ) UL='U';
79 else
80 {
81 cblas_xerbla(3, "cblas_csyr2k", "Illegal Uplo setting, %d\n", Uplo);
83 RowMajorStrg = 0;
84 return;
85 }
86 if( Trans == CblasTrans) TR ='N';
87 else if ( Trans == CblasConjTrans ) TR='N';
88 else if ( Trans == CblasNoTrans ) TR='T';
89 else
90 {
91 cblas_xerbla(3, "cblas_csyr2k", "Illegal Trans setting, %d\n", Trans);
93 RowMajorStrg = 0;
94 return;
95 }
96
97 #ifdef F77_CHAR
98 F77_UL = C2F_CHAR(&UL);
99 F77_TR = C2F_CHAR(&TR);
100 #endif
101
102 F77_csyr2k(F77_UL, F77_TR, &F77_N, &F77_K, alpha, A, &F77_lda, B, &F77_ldb, beta, C, &F77_ldc);
103 }
104 else cblas_xerbla(1, "cblas_csyr2k", "Illegal layout setting, %d\n", layout);
105 CBLAS_CallFromC = 0;
106 RowMajorStrg = 0;
107 return;
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,...)
Definition: cblas_xerbla.c:12
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 CBLAS_INT
Definition: cblas.h:24
void cblas_csyr2k(const CBLAS_LAYOUT layout, const CBLAS_UPLO Uplo, const CBLAS_TRANSPOSE Trans, const CBLAS_INT N, const CBLAS_INT K, const void *alpha, const void *A, const CBLAS_INT lda, const void *B, const CBLAS_INT ldb, const void *beta, void *C, const CBLAS_INT ldc)
Definition: cblas_csyr2k.c:12
#define F77_ldc
#define F77_K
#define F77_ldb
#define F77_TR
#define F77_N
#define F77_lda
#define F77_UL
#define F77_csyr2k(...)
Definition: cblas_f77.h:396
#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