1/*
2 *
3 * cblas_ctrmm.c
4 * This program is a C interface to ctrmm.
5 * Written by Keita Teranishi
6 * 4/8/1998
7 *
8 */
9
10#include "cblas.h"
11#include "cblas_f77.h"
12void cblas_ctrmm(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 int M, const int N,
15                 const void *alpha, const void  *A, const int lda,
16                 void  *B, const int 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( Order == CblasColMajor )
43   {
44      if( Side == CblasRight ) SD='R';
45      else if ( Side == CblasLeft ) SD='L';
46      else
47      {
48         cblas_xerbla(2, "cblas_ctrmm", "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_ctrmm", "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_ctrmm", "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 cblas_xerbla(5, "cblas_ctrmm",
77                       "Illegal Diag setting, %d\n", Diag);
78
79      #ifdef F77_CHAR
80         F77_UL = C2F_CHAR(&UL);
81         F77_TA = C2F_CHAR(&TA);
82         F77_SD = C2F_CHAR(&SD);
83         F77_DI = C2F_CHAR(&DI);
84      #endif
85
86      F77_ctrmm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_M, &F77_N, alpha, A, &F77_lda, B, &F77_ldb);
87   } else if (Order == CblasRowMajor)
88   {
89      RowMajorStrg = 1;
90      if( Side == CblasRight ) SD='L';
91      else if ( Side == CblasLeft ) SD='R';
92      else
93      {
94         cblas_xerbla(2, "cblas_ctrmm", "Illegal Side setting, %d\n", Side);
95         CBLAS_CallFromC = 0;
96         RowMajorStrg = 0;
97         return;
98      }
99
100      if( Uplo == CblasUpper ) UL='L';
101      else if ( Uplo == CblasLower ) UL='U';
102      else
103      {
104         cblas_xerbla(3, "cblas_ctrmm", "Illegal Uplo setting, %d\n", Uplo);
105         CBLAS_CallFromC = 0;
106         RowMajorStrg = 0;
107         return;
108      }
109
110      if( TransA == CblasTrans ) TA ='T';
111      else if ( TransA == CblasConjTrans ) TA='C';
112      else if ( TransA == CblasNoTrans )   TA='N';
113      else
114      {
115         cblas_xerbla(4, "cblas_ctrmm", "Illegal Trans setting, %d\n", TransA);
116         CBLAS_CallFromC = 0;
117         RowMajorStrg = 0;
118         return;
119      }
120
121      if( Diag == CblasUnit ) DI='U';
122      else if ( Diag == CblasNonUnit ) DI='N';
123      else
124      {
125         cblas_xerbla(5, "cblas_ctrmm", "Illegal Diag setting, %d\n", Diag);
126         CBLAS_CallFromC = 0;
127         RowMajorStrg = 0;
128         return;
129      }
130
131      #ifdef F77_CHAR
132         F77_UL = C2F_CHAR(&UL);
133         F77_TA = C2F_CHAR(&TA);
134         F77_SD = C2F_CHAR(&SD);
135         F77_DI = C2F_CHAR(&DI);
136      #endif
137
138      F77_ctrmm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_N, &F77_M, alpha, A, &F77_lda, B, &F77_ldb);
139   }
140   else  cblas_xerbla(1, "cblas_ctrmm", "Illegal Order setting, %d\n", Order);
141   CBLAS_CallFromC = 0;
142   RowMajorStrg = 0;
143   return;
144}
145