1/*
2 *
3 * cblas_ztrmm.c
4 * This program is a C interface to ztrmm.
5 * Written by Keita Teranishi
6 * 4/8/1998
7 *
8 */
9
10#include "cblas.h"
11#include "cblas_f77.h"
12void cblas_ztrmm(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_ztrmm", "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_ztrmm", "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_ztrmm", "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_ztrmm", "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_ztrmm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_M, &F77_N, alpha, A, &F77_lda, B, &F77_ldb);
92   } else if (Order == 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_ztrmm", "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_ztrmm", "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_ztrmm", "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_ztrmm", "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
143      F77_ztrmm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_N, &F77_M, alpha, A, &F77_lda, B, &F77_ldb);
144   }
145   else  cblas_xerbla(1, "cblas_ztrmm", "Illegal Order setting, %d\n", Order);
146   CBLAS_CallFromC = 0;
147   RowMajorStrg = 0;
148   return;
149}
150