LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
Loading...
Searching...
No Matches
cblas_cher2k.c
Go to the documentation of this file.
1/*
2 *
3 * cblas_cher2k.c
4 * This program is a C interface to cher2k.
5 * Written by Keita Teranishi
6 * 4/8/1998
7 *
8 */
9
10#include "cblas.h"
11#include "cblas_f77.h"
12void cblas_cher2k(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 float 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 float ALPHA[2];
40 const float *alp=(float *)alpha;
41
43 RowMajorStrg = 0;
44
45 if( layout == CblasColMajor )
46 {
47
48 if( Uplo == CblasUpper) UL='U';
49 else if ( Uplo == CblasLower ) UL='L';
50 else
51 {
52 cblas_xerbla(2, "cblas_cher2k", "Illegal Uplo setting, %d\n", Uplo);
54 RowMajorStrg = 0;
55 return;
56 }
57
58 if( Trans == CblasTrans) TR ='T';
59 else if ( Trans == CblasConjTrans ) TR='C';
60 else if ( Trans == CblasNoTrans ) TR='N';
61 else
62 {
63 cblas_xerbla(3, "cblas_cher2k", "Illegal Trans setting, %d\n", Trans);
65 RowMajorStrg = 0;
66 return;
67 }
68
69 #ifdef F77_CHAR
70 F77_UL = C2F_CHAR(&UL);
71 F77_TR = C2F_CHAR(&TR);
72 #endif
73
74 F77_cher2k(F77_UL, F77_TR, &F77_N, &F77_K, alpha, A, &F77_lda, B, &F77_ldb, &beta, C, &F77_ldc);
75 } else if (layout == CblasRowMajor)
76 {
77 RowMajorStrg = 1;
78
79 if( Uplo == CblasUpper) UL='L';
80 else if ( Uplo == CblasLower ) UL='U';
81 else
82 {
83 cblas_xerbla(2, "cblas_cher2k", "Illegal Uplo setting, %d\n", Uplo);
85 RowMajorStrg = 0;
86 return;
87 }
88 if( Trans == CblasTrans) TR ='N';
89 else if ( Trans == CblasConjTrans ) TR='N';
90 else if ( Trans == CblasNoTrans ) TR='C';
91 else
92 {
93 cblas_xerbla(3, "cblas_cher2k", "Illegal Trans setting, %d\n", Trans);
95 RowMajorStrg = 0;
96 return;
97 }
98 #ifdef F77_CHAR
99 F77_UL = C2F_CHAR(&UL);
100 F77_TR = C2F_CHAR(&TR);
101 #endif
102
103 ALPHA[0]= *alp;
104 ALPHA[1]= -alp[1];
105 F77_cher2k(F77_UL,F77_TR, &F77_N, &F77_K, ALPHA, A, &F77_lda, B, &F77_ldb, &beta, C, &F77_ldc);
106 }
107 else cblas_xerbla(1, "cblas_cher2k", "Illegal layout setting, %d\n", layout);
108 CBLAS_CallFromC = 0;
109 RowMajorStrg = 0;
110 return;
111}
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_ldc
#define F77_K
#define F77_ldb
#define F77_TR
#define F77_N
#define F77_lda
#define F77_UL
void cblas_cher2k(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 float beta, void *C, const CBLAS_INT ldc)
Definition: cblas_cher2k.c:12
#define F77_cher2k(...)
Definition: cblas_f77.h:397
#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