1 /*
2 *
3 * cblas_dtrmm.c
4 * This program is a C interface to dtrmm.
5 * Written by Keita Teranishi
6 * 4/6/1998
7 *
8 */
9
10 #include "cblas.h"
11 #include "cblas_f77.h"
cblas_dtrmm(const enum CBLAS_ORDER Order,const enum CBLAS_SIDE Side,const enum CBLAS_UPLO Uplo,const enum CBLAS_TRANSPOSE TransA,const enum CBLAS_DIAG Diag,const CBLAS_INT_TYPE M,const CBLAS_INT_TYPE N,const double alpha,const double * A,const CBLAS_INT_TYPE lda,double * B,const CBLAS_INT_TYPE ldb)12 void cblas_dtrmm(const enum CBLAS_ORDER Order, const enum CBLAS_SIDE Side,
13 const enum CBLAS_UPLO Uplo, const enum CBLAS_TRANSPOSE TransA,
14 const enum CBLAS_DIAG Diag, const CBLAS_INT_TYPE M, const CBLAS_INT_TYPE N,
15 const double alpha, const double *A, const CBLAS_INT_TYPE lda,
16 double *B, const CBLAS_INT_TYPE ldb)
17 {
18 char UL, TA, SD, DI;
19 #ifdef F77_CHAR
20 F77_CHAR F77_TA, F77_UL, F77_SD, F77_DI;
21 #else
22 #define F77_TA &TA
23 #define F77_UL &UL
24 #define F77_SD &SD
25 #define F77_DI &DI
26 #endif
27
28 #ifdef F77_INT
29 F77_INT F77_M=M, F77_N=N, F77_lda=lda, F77_ldb=ldb;
30 #else
31 #define F77_M M
32 #define F77_N N
33 #define F77_lda lda
34 #define F77_ldb ldb
35 #endif
36
37
38 if( Order == CblasColMajor )
39 {
40 if( Side == CblasRight) SD='R';
41 else if ( Side == CblasLeft ) SD='L';
42 else
43 {
44 cblas_xerbla(2, "cblas_dtrmm","Illegal Side setting, %d\n", Side);
45 return;
46 }
47 if( Uplo == CblasUpper) UL='U';
48 else if ( Uplo == CblasLower ) UL='L';
49 else
50 {
51 cblas_xerbla(3, "cblas_dtrmm","Illegal Uplo setting, %d\n", Uplo);
52 return;
53 }
54
55 if( TransA == CblasTrans) TA ='T';
56 else if ( TransA == CblasConjTrans ) TA='C';
57 else if ( TransA == CblasNoTrans ) TA='N';
58 else
59 {
60 cblas_xerbla(4, "cblas_dtrmm","Illegal Trans setting, %d\n", TransA);
61 return;
62 }
63
64 if( Diag == CblasUnit ) DI='U';
65 else if ( Diag == CblasNonUnit ) DI='N';
66 else
67 {
68 cblas_xerbla(5, "cblas_dtrmm","Illegal Diag setting, %d\n", Diag);
69 return;
70 }
71
72 #ifdef F77_CHAR
73 F77_UL = C2F_CHAR(&UL);
74 F77_TA = C2F_CHAR(&TA);
75 F77_SD = C2F_CHAR(&SD);
76 F77_DI = C2F_CHAR(&DI);
77 #endif
78
79 F77_dtrmm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_M, &F77_N, &alpha, A, &F77_lda, B, &F77_ldb);
80 } else if (Order == CblasRowMajor)
81 {
82 if( Side == CblasRight) SD='L';
83 else if ( Side == CblasLeft ) SD='R';
84 else
85 {
86 cblas_xerbla(2, "cblas_dtrmm","Illegal Side setting, %d\n", Side);
87 return;
88 }
89
90 if( Uplo == CblasUpper) UL='L';
91 else if ( Uplo == CblasLower ) UL='U';
92 else
93 {
94 cblas_xerbla(3, "cblas_dtrmm","Illegal Uplo setting, %d\n", Uplo);
95 return;
96 }
97
98 if( TransA == CblasTrans) TA ='T';
99 else if ( TransA == CblasConjTrans ) TA='C';
100 else if ( TransA == CblasNoTrans ) TA='N';
101 else
102 {
103 cblas_xerbla(4, "cblas_dtrmm","Illegal Trans setting, %d\n", TransA);
104 return;
105 }
106
107 if( Diag == CblasUnit ) DI='U';
108 else if ( Diag == CblasNonUnit ) DI='N';
109 else
110 {
111 cblas_xerbla(5, "cblas_dtrmm","Illegal Diag setting, %d\n", Diag);
112 return;
113 }
114
115 #ifdef F77_CHAR
116 F77_UL = C2F_CHAR(&UL);
117 F77_TA = C2F_CHAR(&TA);
118 F77_SD = C2F_CHAR(&SD);
119 F77_DI = C2F_CHAR(&DI);
120 #endif
121 F77_dtrmm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_N, &F77_M, &alpha, A, &F77_lda, B, &F77_ldb);
122 }
123 else cblas_xerbla(1, "cblas_dtrmm", "Illegal Order setting, %d\n", Order);
124 return;
125 }
126