LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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cblas_cgemm.c
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1/*
2 *
3 * cblas_cgemm.c
4 * This program is a C interface to cgemm.
5 * Written by Keita Teranishi
6 * 4/8/1998
7 *
8 */
9
10#include "cblas.h"
11#include "cblas_f77.h"
12void cblas_cgemm(const CBLAS_LAYOUT layout, const CBLAS_TRANSPOSE TransA,
13 const CBLAS_TRANSPOSE TransB, const CBLAS_INT M, const CBLAS_INT N,
14 const CBLAS_INT K, const void *alpha, const void *A,
15 const CBLAS_INT lda, const void *B, const CBLAS_INT ldb,
16 const void *beta, void *C, const CBLAS_INT ldc)
17{
18 char TA, TB;
19#ifdef F77_CHAR
20 F77_CHAR F77_TA, F77_TB;
21#else
22 #define F77_TA &TA
23 #define F77_TB &TB
24#endif
25
26#ifdef F77_INT
27 F77_INT F77_M=M, F77_N=N, F77_K=K, F77_lda=lda, F77_ldb=ldb;
28 F77_INT F77_ldc=ldc;
29#else
30 #define F77_M M
31 #define F77_N N
32 #define F77_K K
33 #define F77_lda lda
34 #define F77_ldb ldb
35 #define F77_ldc ldc
36#endif
37
38 extern int CBLAS_CallFromC;
39 extern int RowMajorStrg;
40 RowMajorStrg = 0;
42
43 if( layout == CblasColMajor )
44 {
45 if(TransA == CblasTrans) TA='T';
46 else if ( TransA == CblasConjTrans ) TA='C';
47 else if ( TransA == CblasNoTrans ) TA='N';
48 else
49 {
50 cblas_xerbla(2, "cblas_cgemm", "Illegal TransA setting, %d\n", TransA);
52 RowMajorStrg = 0;
53 return;
54 }
55
56 if(TransB == CblasTrans) TB='T';
57 else if ( TransB == CblasConjTrans ) TB='C';
58 else if ( TransB == CblasNoTrans ) TB='N';
59 else
60 {
61 cblas_xerbla(3, "cblas_cgemm", "Illegal TransB setting, %d\n", TransB);
63 RowMajorStrg = 0;
64 return;
65 }
66
67 #ifdef F77_CHAR
68 F77_TA = C2F_CHAR(&TA);
69 F77_TB = C2F_CHAR(&TB);
70 #endif
71
72 F77_cgemm(F77_TA, F77_TB, &F77_M, &F77_N, &F77_K, alpha, A,
73 &F77_lda, B, &F77_ldb, beta, C, &F77_ldc);
74 } else if (layout == CblasRowMajor)
75 {
76 RowMajorStrg = 1;
77 if(TransA == CblasTrans) TB='T';
78 else if ( TransA == CblasConjTrans ) TB='C';
79 else if ( TransA == CblasNoTrans ) TB='N';
80 else
81 {
82 cblas_xerbla(2, "cblas_cgemm", "Illegal TransA setting, %d\n", TransA);
84 RowMajorStrg = 0;
85 return;
86 }
87 if(TransB == CblasTrans) TA='T';
88 else if ( TransB == CblasConjTrans ) TA='C';
89 else if ( TransB == CblasNoTrans ) TA='N';
90 else
91 {
92 cblas_xerbla(2, "cblas_cgemm", "Illegal TransB setting, %d\n", TransB);
94 RowMajorStrg = 0;
95 return;
96 }
97 #ifdef F77_CHAR
98 F77_TA = C2F_CHAR(&TA);
99 F77_TB = C2F_CHAR(&TB);
100 #endif
101
102 F77_cgemm(F77_TA, F77_TB, &F77_N, &F77_M, &F77_K, alpha, B,
103 &F77_ldb, A, &F77_lda, beta, C, &F77_ldc);
104 }
105 else cblas_xerbla(1, "cblas_cgemm", "Illegal layout setting, %d\n", layout);
106 CBLAS_CallFromC = 0;
107 RowMajorStrg = 0;
108 return;
109}
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
void cblas_cgemm(const CBLAS_LAYOUT layout, const CBLAS_TRANSPOSE TransA, const CBLAS_TRANSPOSE TransB, const CBLAS_INT M, 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_cgemm.c:12
#define F77_K
#define F77_ldb
#define F77_TB
#define F77_TA
#define F77_N
#define F77_lda
#define F77_M
#define F77_cgemm(...)
Definition: cblas_f77.h:391
#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