aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/cblas/src/cblas_strmm.c
blob: 9f8ce198dce2748a115cb93dbf0aadbe808ba089 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
/*
 *
 * cblas_strmm.c
 * This program is a C interface to strmm.
 * Written by Keita Teranishi
 * 4/6/1998
 *
 */

#include "cblas.h"
#include "cblas_f77.h"
void cblas_strmm(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 int M, const int N,
                 const float alpha, const float *A, const int lda,
                 float *B, const int ldb)
{
   char UL, TA, SD, DI;   
#ifdef F77_CHAR
   F77_CHAR F77_TA, F77_UL, F77_SD, F77_DI;
#else
   #define F77_TA &TA  
   #define F77_UL &UL  
   #define F77_SD &SD
   #define F77_DI &DI
#endif

#ifdef F77_INT
   F77_INT F77_M=M, F77_N=N, F77_lda=lda, F77_ldb=ldb;
#else
   #define F77_M M
   #define F77_N N
   #define F77_lda lda
   #define F77_ldb ldb
#endif

   extern int CBLAS_CallFromC;
   extern int RowMajorStrg;
   RowMajorStrg = 0;
   CBLAS_CallFromC = 1;

   if( Order == CblasColMajor )
   {
      if( Side == CblasRight) SD='R';
      else if ( Side == CblasLeft ) SD='L';
      else 
      {
         cblas_xerbla(2, "cblas_strmm","Illegal Side setting, %d\n", Side);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }
      if( Uplo == CblasUpper) UL='U';
      else if ( Uplo == CblasLower ) UL='L';
      else 
      {
         cblas_xerbla(3, "cblas_strmm","Illegal Uplo setting, %d\n", Uplo);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }

      if( TransA == CblasTrans) TA ='T';
      else if ( TransA == CblasConjTrans ) TA='C';
      else if ( TransA == CblasNoTrans )   TA='N';
      else 
      {
         cblas_xerbla(4, "cblas_strmm","Illegal Trans setting, %d\n", TransA);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }

      if( Diag == CblasUnit ) DI='U';
      else if ( Diag == CblasNonUnit ) DI='N';
      else 
      {
         cblas_xerbla(5, "cblas_strmm", "Illegal Diag setting, %d\n", Diag);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }

      #ifdef F77_CHAR
         F77_UL = C2F_CHAR(&UL);
         F77_TA = C2F_CHAR(&TA);
         F77_SD = C2F_CHAR(&SD);
         F77_DI = C2F_CHAR(&DI);
      #endif

      F77_strmm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_M, &F77_N, &alpha, A, &F77_lda, B, &F77_ldb);
   } else if (Order == CblasRowMajor)
   {
      RowMajorStrg = 1;
      if( Side == CblasRight) SD='L';
      else if ( Side == CblasLeft ) SD='R';
      else 
      {
         cblas_xerbla(2, "cblas_strmm","Illegal Side setting, %d\n", Side);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }

      if( Uplo == CblasUpper) UL='L';
      else if ( Uplo == CblasLower ) UL='U';
      else 
      {
         cblas_xerbla(3, "cblas_strmm", "Illegal Uplo setting, %d\n", Uplo);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }

      if( TransA == CblasTrans) TA ='T';
      else if ( TransA == CblasConjTrans ) TA='C';
      else if ( TransA == CblasNoTrans )   TA='N';
      else 
      {
         cblas_xerbla(4, "cblas_strmm", "Illegal Trans setting, %d\n", TransA);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }

      if( Diag == CblasUnit ) DI='U';
      else if ( Diag == CblasNonUnit ) DI='N';
      else 
      {
         cblas_xerbla(5, "cblas_strmm","Illegal Diag setting, %d\n", Diag);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }
#ifdef F77_CHAR
    F77_UL = C2F_CHAR(&UL);
    F77_TA = C2F_CHAR(&TA);
    F77_SD = C2F_CHAR(&SD);
    F77_DI = C2F_CHAR(&DI);
#endif
      F77_strmm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_N, &F77_M, &alpha, A,
      &F77_lda, B, &F77_ldb);
   } 
   else  cblas_xerbla(1, "cblas_strmm", "Illegal Order setting, %d\n", Order);
   CBLAS_CallFromC = 0;
   RowMajorStrg = 0;
   return;
}