1 /*
2 *
3 * cblas_chemm.c
4 * This program is a C interface to chemm.
5 * Written by Keita Teranishi
6 * 4/8/1998
7 *
8 */
9
10 #include "cblas.h"
11 #include "cblas_f77.h"
cblas_chemm(const enum CBLAS_ORDER Order,const enum CBLAS_SIDE Side,const enum CBLAS_UPLO Uplo,const int M,const int N,const void * alpha,const void * A,const int lda,const void * B,const int ldb,const void * beta,void * C,const int ldc)12 void cblas_chemm(const enum CBLAS_ORDER Order, const enum CBLAS_SIDE Side,
13 const enum CBLAS_UPLO Uplo, const int M, const int N,
14 const void *alpha, const void *A, const int lda,
15 const void *B, const int ldb, const void *beta,
16 void *C, const int ldc)
17 {
18 char SD, UL;
19 #ifdef F77_CHAR
20 F77_CHAR F77_SD, F77_UL;
21 #else
22 #define F77_SD &SD
23 #define F77_UL &UL
24 #endif
25
26 #ifdef F77_INT
27 F77_INT F77_M=M, F77_N=N, 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_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;
40 CBLAS_CallFromC = 1;
41
42 if( Order == CblasColMajor )
43 {
44 if( Side == CblasRight) SD='R';
45 else if ( Side == CblasLeft ) SD='L';
46 else
47 {
48 cblas_xerbla(2, "cblas_chemm", "Illegal Side setting, %d\n", Side);
49 CBLAS_CallFromC = 0;
50 RowMajorStrg = 0;
51 return;
52 }
53
54 if( Uplo == CblasUpper) UL='U';
55 else if ( Uplo == CblasLower ) UL='L';
56 else
57 {
58 cblas_xerbla(3, "cblas_chemm", "Illegal Uplo setting, %d\n", Uplo);
59 CBLAS_CallFromC = 0;
60 RowMajorStrg = 0;
61 return;
62 }
63
64 #ifdef F77_CHAR
65 F77_UL = C2F_CHAR(&UL);
66 F77_SD = C2F_CHAR(&SD);
67 #endif
68
69 F77_chemm(F77_SD, F77_UL, &F77_M, &F77_N, alpha, A, &F77_lda,
70 B, &F77_ldb, beta, C, &F77_ldc);
71 } else if (Order == CblasRowMajor)
72 {
73 RowMajorStrg = 1;
74 if( Side == CblasRight) SD='L';
75 else if ( Side == CblasLeft ) SD='R';
76 else
77 {
78 cblas_xerbla(2, "cblas_chemm", "Illegal Side setting, %d\n", Side);
79 CBLAS_CallFromC = 0;
80 RowMajorStrg = 0;
81 return;
82 }
83
84 if( Uplo == CblasUpper) UL='L';
85 else if ( Uplo == CblasLower ) UL='U';
86 else
87 {
88 cblas_xerbla(3, "cblas_chemm", "Illegal Uplo setting, %d\n", Uplo);
89 CBLAS_CallFromC = 0;
90 RowMajorStrg = 0;
91 return;
92 }
93
94 #ifdef F77_CHAR
95 F77_UL = C2F_CHAR(&UL);
96 F77_SD = C2F_CHAR(&SD);
97 #endif
98
99 F77_chemm(F77_SD, F77_UL, &F77_N, &F77_M, alpha, A,
100 &F77_lda, B, &F77_ldb, beta, C, &F77_ldc);
101 }
102 else cblas_xerbla(1, "cblas_chemm", "Illegal Order setting, %d\n", Order);
103 CBLAS_CallFromC = 0;
104 RowMajorStrg = 0;
105 return;
106 }
107