1/*
2 *
3 * cblas_ssymm.c
4 * This program is a C interface to ssymm.
5 * Written by Keita Teranishi
6 * 4/8/1998
7 *
8 */
9
10#include "cblas.h"
11#include "cblas_f77.h"
12void cblas_ssymm(const enum CBLAS_ORDER Order, const enum CBLAS_SIDE Side,
13                 const enum CBLAS_UPLO Uplo, const int M, const int N,
14                 const float alpha, const float  *A, const int lda,
15                 const float  *B, const int ldb, const float beta,
16                 float  *C, const int ldc)
17{
18   char SD, UL;
19#ifdef F77_CHAR
20   F77_CHAR F77_SD, F77_UL;
21#else
22   #define F77_SD &SD
23   #define F77_UL &UL
24#endif
25
26#ifdef F77_INT
27   F77_INT F77_M=M, F77_N=N, F77_lda=lda, F77_ldb=ldb;
28   F77_INT F77_ldc=ldc;
29#else
30   #define F77_M M
31   #define F77_N N
32   #define F77_lda lda
33   #define F77_ldb ldb
34   #define F77_ldc ldc
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_ssymm",
49                       "Illegal Side setting, %d\n", Side);
50         CBLAS_CallFromC = 0;
51         RowMajorStrg = 0;
52         return;
53      }
54
55      if( Uplo == CblasUpper) UL='U';
56      else if ( Uplo == CblasLower ) UL='L';
57      else
58      {
59         cblas_xerbla(3, "cblas_ssymm",
60                       "Illegal Uplo setting, %d\n", Uplo);
61         CBLAS_CallFromC = 0;
62         RowMajorStrg = 0;
63         return;
64      }
65
66      #ifdef F77_CHAR
67         F77_UL = C2F_CHAR(&UL);
68         F77_SD = C2F_CHAR(&SD);
69      #endif
70
71      F77_ssymm(F77_SD, F77_UL, &F77_M, &F77_N, &alpha, A, &F77_lda, B, &F77_ldb, &beta, C, &F77_ldc);
72   } else if (Order == CblasRowMajor)
73   {
74      RowMajorStrg = 1;
75      if( Side == CblasRight) SD='L';
76      else if ( Side == CblasLeft ) SD='R';
77      else
78      {
79         cblas_xerbla(2, "cblas_ssymm",
80                       "Illegal Side setting, %d\n", Side);
81         CBLAS_CallFromC = 0;
82         RowMajorStrg = 0;
83         return;
84      }
85
86      if( Uplo == CblasUpper) UL='L';
87      else if ( Uplo == CblasLower ) UL='U';
88      else
89      {
90         cblas_xerbla(3, "cblas_ssymm",
91                       "Illegal Uplo setting, %d\n", Uplo);
92         CBLAS_CallFromC = 0;
93         RowMajorStrg = 0;
94         return;
95      }
96
97      #ifdef F77_CHAR
98         F77_UL = C2F_CHAR(&UL);
99         F77_SD = C2F_CHAR(&SD);
100      #endif
101
102      F77_ssymm(F77_SD, F77_UL, &F77_N, &F77_M, &alpha, A, &F77_lda, B, &F77_ldb, &beta, C, &F77_ldc);
103   } else  cblas_xerbla(1, "cblas_ssymm",
104                     "Illegal Order setting, %d\n", Order);
105   CBLAS_CallFromC = 0;
106   RowMajorStrg = 0;
107   return;
108}
109