LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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cblas_zherk.c
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1/*
2 *
3 * cblas_zherk.c
4 * This program is a C interface to zherk.
5 * Written by Keita Teranishi
6 * 4/8/1998
7 *
8 */
9
10#include "cblas.h"
11#include "cblas_f77.h"
12void cblas_zherk(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 void *A, const CBLAS_INT lda,
15 const double beta, void *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 if( Uplo == CblasUpper) UL='U';
43 else if ( Uplo == CblasLower ) UL='L';
44 else
45 {
46 cblas_xerbla(2, "cblas_zherk", "Illegal Uplo setting, %d\n", Uplo);
48 RowMajorStrg = 0;
49 return;
50 }
51
52 if( Trans == CblasTrans) TR ='T';
53 else if ( Trans == CblasConjTrans ) TR='C';
54 else if ( Trans == CblasNoTrans ) TR='N';
55 else
56 {
57 cblas_xerbla(3, "cblas_zherk", "Illegal Trans setting, %d\n", Trans);
59 RowMajorStrg = 0;
60 return;
61 }
62
63 #ifdef F77_CHAR
64 F77_UL = C2F_CHAR(&UL);
65 F77_TR = C2F_CHAR(&TR);
66 #endif
67
68 F77_zherk(F77_UL, F77_TR, &F77_N, &F77_K, &alpha, A, &F77_lda,
69 &beta, C, &F77_ldc);
70 } else if (layout == CblasRowMajor)
71 {
72 RowMajorStrg = 1;
73 if( Uplo == CblasUpper) UL='L';
74 else if ( Uplo == CblasLower ) UL='U';
75 else
76 {
77 cblas_xerbla(3, "cblas_zherk", "Illegal Uplo setting, %d\n", Uplo);
79 RowMajorStrg = 0;
80 return;
81 }
82 if( Trans == CblasTrans) TR ='N';
83 else if ( Trans == CblasConjTrans ) TR='N';
84 else if ( Trans == CblasNoTrans ) TR='C';
85 else
86 {
87 cblas_xerbla(3, "cblas_zherk", "Illegal Trans setting, %d\n", Trans);
89 RowMajorStrg = 0;
90 return;
91 }
92
93 #ifdef F77_CHAR
94 F77_UL = C2F_CHAR(&UL);
95 F77_SD = C2F_CHAR(&SD);
96 #endif
97
98 F77_zherk(F77_UL, F77_TR, &F77_N, &F77_K, &alpha, A, &F77_lda,
99 &beta, C, &F77_ldc);
100 }
101 else cblas_xerbla(1, "cblas_zherk", "Illegal layout setting, %d\n", layout);
102 CBLAS_CallFromC = 0;
103 RowMajorStrg = 0;
104 return;
105}
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
#define F77_SD
#define F77_zherk(...)
Definition: cblas_f77.h:407
#define F77_INT
Definition: cblas_f77.h:32
int CBLAS_CallFromC
Definition: cblas_globals.c:1
int RowMajorStrg
Definition: cblas_globals.c:2
#define F77_ldc
#define F77_K
#define F77_TR
#define F77_N
#define F77_lda
void cblas_zherk(const CBLAS_LAYOUT layout, const CBLAS_UPLO Uplo, const CBLAS_TRANSPOSE Trans, const CBLAS_INT N, const CBLAS_INT K, const double alpha, const void *A, const CBLAS_INT lda, const double beta, void *C, const CBLAS_INT ldc)
Definition: cblas_zherk.c:12
#define F77_UL
#define N
Definition: example_user.c:10