1 #include "bli_config.h"
2 #include "bli_system.h"
3 #include "bli_type_defs.h"
4 #include "bli_cblas.h"
5 #ifdef BLIS_ENABLE_CBLAS
6 /*
7 *
8 * cblas_zgemm.c
9 * This program is a C interface to zgemm.
10 * Written by Keita Teranishi
11 * 4/8/1998
12 *
13 */
15 #include "cblas.h"
16 #include "cblas_f77.h"
17 void cblas_zgemm(const enum CBLAS_ORDER Order, const enum CBLAS_TRANSPOSE TransA,
18 const enum CBLAS_TRANSPOSE TransB, const int M, const int N,
19 const int K, const void *alpha, const void *A,
20 const int lda, const void *B, const int ldb,
21 const void *beta, void *C, const int ldc)
22 {
23 char TA, TB;
24 #ifdef F77_CHAR
25 F77_CHAR F77_TA, F77_TB;
26 #else
27 #define F77_TA &TA
28 #define F77_TB &TB
29 #endif
31 #ifdef F77_INT
32 F77_INT F77_M=M, F77_N=N, F77_K=K, F77_lda=lda, F77_ldb=ldb;
33 F77_INT F77_ldc=ldc;
34 #else
35 #define F77_M M
36 #define F77_N N
37 #define F77_K K
38 #define F77_lda lda
39 #define F77_ldb ldb
40 #define F77_ldc ldc
41 #endif
43 extern int CBLAS_CallFromC;
44 extern int RowMajorStrg;
45 RowMajorStrg = 0;
46 CBLAS_CallFromC = 1;
48 if( Order == CblasColMajor )
49 {
50 if(TransA == CblasTrans) TA='T';
51 else if ( TransA == CblasConjTrans ) TA='C';
52 else if ( TransA == CblasNoTrans ) TA='N';
53 else
54 {
55 cblas_xerbla(2, "cblas_zgemm","Illegal TransA setting, %d\n", TransA);
56 CBLAS_CallFromC = 0;
57 RowMajorStrg = 0;
58 return;
59 }
61 if(TransB == CblasTrans) TB='T';
62 else if ( TransB == CblasConjTrans ) TB='C';
63 else if ( TransB == CblasNoTrans ) TB='N';
64 else
65 {
66 cblas_xerbla(3, "cblas_zgemm","Illegal TransB setting, %d\n", TransB);
67 CBLAS_CallFromC = 0;
68 RowMajorStrg = 0;
69 return;
70 }
72 #ifdef F77_CHAR
73 F77_TA = C2F_CHAR(&TA);
74 F77_TB = C2F_CHAR(&TB);
75 #endif
77 F77_zgemm(F77_TA, F77_TB, &F77_M, &F77_N, &F77_K, alpha, A,
78 &F77_lda, B, &F77_ldb, beta, C, &F77_ldc);
79 } else if (Order == CblasRowMajor)
80 {
81 RowMajorStrg = 1;
82 if(TransA == CblasTrans) TB='T';
83 else if ( TransA == CblasConjTrans ) TB='C';
84 else if ( TransA == CblasNoTrans ) TB='N';
85 else
86 {
87 cblas_xerbla(2, "cblas_zgemm","Illegal TransA setting, %d\n", TransA);
88 CBLAS_CallFromC = 0;
89 RowMajorStrg = 0;
90 return;
91 }
92 if(TransB == CblasTrans) TA='T';
93 else if ( TransB == CblasConjTrans ) TA='C';
94 else if ( TransB == CblasNoTrans ) TA='N';
95 else
96 {
97 cblas_xerbla(2, "cblas_zgemm","Illegal TransB setting, %d\n", TransB);
98 CBLAS_CallFromC = 0;
99 RowMajorStrg = 0;
100 return;
101 }
102 #ifdef F77_CHAR
103 F77_TA = C2F_CHAR(&TA);
104 F77_TB = C2F_CHAR(&TB);
105 #endif
107 F77_zgemm(F77_TA, F77_TB, &F77_N, &F77_M, &F77_K, alpha, B,
108 &F77_ldb, A, &F77_lda, beta, C, &F77_ldc);
109 }
110 else cblas_xerbla(1, "cblas_zgemm", "Illegal Order setting, %d\n", Order);
111 CBLAS_CallFromC = 0;
112 RowMajorStrg = 0;
113 return;
114 }
115 #endif