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 CBLAS_LAYOUT layout,const CBLAS_SIDE Side,const CBLAS_UPLO Uplo,const CBLAS_TRANSPOSE TransA,const CBLAS_DIAG Diag,const CBLAS_INDEX M,const CBLAS_INDEX N,const double alpha,const double * A,const CBLAS_INDEX lda,double * B,const CBLAS_INDEX ldb)12 void cblas_dtrmm(const CBLAS_LAYOUT layout, const CBLAS_SIDE Side,
13 const CBLAS_UPLO Uplo, const CBLAS_TRANSPOSE TransA,
14 const CBLAS_DIAG Diag, const CBLAS_INDEX M, const CBLAS_INDEX N,
15 const double alpha, const double *A, const CBLAS_INDEX lda,
16 double *B, const CBLAS_INDEX 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 extern int CBLAS_CallFromC;
38 extern int RowMajorStrg;
39 RowMajorStrg = 0;
40 CBLAS_CallFromC = 1;
41
42 if( layout == CblasColMajor )
43 {
44 if( Side == CblasRight) SD='R';
45 else if ( Side == CblasLeft ) SD='L';
46 else
47 {
48 cblas_xerbla(2, "cblas_dtrmm","Illegal Side setting, %d\n", Side);
49 CBLAS_CallFromC = 0;
50 RowMajorStrg = 0;
51 return;
52 }
53 if( Uplo == CblasUpper) UL='U';
54 else if ( Uplo == CblasLower ) UL='L';
55 else
56 {
57 cblas_xerbla(3, "cblas_dtrmm","Illegal Uplo setting, %d\n", Uplo);
58 CBLAS_CallFromC = 0;
59 RowMajorStrg = 0;
60 return;
61 }
62
63 if( TransA == CblasTrans) TA ='T';
64 else if ( TransA == CblasConjTrans ) TA='C';
65 else if ( TransA == CblasNoTrans ) TA='N';
66 else
67 {
68 cblas_xerbla(4, "cblas_dtrmm","Illegal Trans setting, %d\n", TransA);
69 CBLAS_CallFromC = 0;
70 RowMajorStrg = 0;
71 return;
72 }
73
74 if( Diag == CblasUnit ) DI='U';
75 else if ( Diag == CblasNonUnit ) DI='N';
76 else
77 {
78 cblas_xerbla(5, "cblas_dtrmm","Illegal Diag setting, %d\n", Diag);
79 CBLAS_CallFromC = 0;
80 RowMajorStrg = 0;
81 return;
82 }
83
84 #ifdef F77_CHAR
85 F77_UL = C2F_CHAR(&UL);
86 F77_TA = C2F_CHAR(&TA);
87 F77_SD = C2F_CHAR(&SD);
88 F77_DI = C2F_CHAR(&DI);
89 #endif
90
91 F77_dtrmm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_M, &F77_N, &alpha, A, &F77_lda, B, &F77_ldb);
92 } else if (layout == CblasRowMajor)
93 {
94 RowMajorStrg = 1;
95 if( Side == CblasRight) SD='L';
96 else if ( Side == CblasLeft ) SD='R';
97 else
98 {
99 cblas_xerbla(2, "cblas_dtrmm","Illegal Side setting, %d\n", Side);
100 CBLAS_CallFromC = 0;
101 RowMajorStrg = 0;
102 return;
103 }
104
105 if( Uplo == CblasUpper) UL='L';
106 else if ( Uplo == CblasLower ) UL='U';
107 else
108 {
109 cblas_xerbla(3, "cblas_dtrmm","Illegal Uplo setting, %d\n", Uplo);
110 CBLAS_CallFromC = 0;
111 RowMajorStrg = 0;
112 return;
113 }
114
115 if( TransA == CblasTrans) TA ='T';
116 else if ( TransA == CblasConjTrans ) TA='C';
117 else if ( TransA == CblasNoTrans ) TA='N';
118 else
119 {
120 cblas_xerbla(4, "cblas_dtrmm","Illegal Trans setting, %d\n", TransA);
121 CBLAS_CallFromC = 0;
122 RowMajorStrg = 0;
123 return;
124 }
125
126 if( Diag == CblasUnit ) DI='U';
127 else if ( Diag == CblasNonUnit ) DI='N';
128 else
129 {
130 cblas_xerbla(5, "cblas_dtrmm","Illegal Diag setting, %d\n", Diag);
131 CBLAS_CallFromC = 0;
132 RowMajorStrg = 0;
133 return;
134 }
135
136 #ifdef F77_CHAR
137 F77_UL = C2F_CHAR(&UL);
138 F77_TA = C2F_CHAR(&TA);
139 F77_SD = C2F_CHAR(&SD);
140 F77_DI = C2F_CHAR(&DI);
141 #endif
142 F77_dtrmm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_N, &F77_M, &alpha, A, &F77_lda, B, &F77_ldb);
143 }
144 else cblas_xerbla(1, "cblas_dtrmm", "Illegal layout setting, %d\n", layout);
145 CBLAS_CallFromC = 0;
146 RowMajorStrg = 0;
147 return;
148 }
149