1 /*
2  *
3  * cblas_zsymm.c
4  * This program is a C interface to zsymm.
5  * Written by Keita Teranishi
6  * 4/8/1998
7  *
8  */
9 
10 #include "cblas.h"
11 #include "cblas_f77.h"
cblas_zsymm(const CBLAS_LAYOUT layout,const CBLAS_SIDE Side,const CBLAS_UPLO Uplo,const int M,const int N,const void * alpha,const void * A,const int lda,const void * B,const int ldb,const void * beta,void * C,const int ldc)12 void cblas_zsymm(const CBLAS_LAYOUT layout, const CBLAS_SIDE Side,
13                  const CBLAS_UPLO Uplo, const int M, const int N,
14                  const void *alpha, const void  *A, const int lda,
15                  const void  *B, const int ldb, const void *beta,
16                  void  *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( layout == CblasColMajor )
43    {
44       if( Side == CblasRight) SD='R';
45       else if ( Side == CblasLeft ) SD='L';
46       else
47       {
48          cblas_xerbla(2, "cblas_zsymm", "Illegal Side setting, %d\n", Side);
49          CBLAS_CallFromC = 0;
50          RowMajorStrg = 0;
51          return;
52       }
53 
54       if( Uplo == CblasUpper) UL='U';
55       else if ( Uplo == CblasLower ) UL='L';
56       else
57       {
58          cblas_xerbla(3, "cblas_zsymm", "Illegal Uplo setting, %d\n", Uplo);
59          CBLAS_CallFromC = 0;
60          RowMajorStrg = 0;
61          return;
62       }
63 
64       #ifdef F77_CHAR
65          F77_UL = C2F_CHAR(&UL);
66          F77_SD = C2F_CHAR(&SD);
67       #endif
68 
69       F77_zsymm(F77_SD, F77_UL, &F77_M, &F77_N, alpha, A, &F77_lda,
70                       B, &F77_ldb, beta, C, &F77_ldc);
71    } else if (layout == CblasRowMajor)
72    {
73       RowMajorStrg = 1;
74       if( Side == CblasRight) SD='L';
75       else if ( Side == CblasLeft ) SD='R';
76       else
77       {
78          cblas_xerbla(2, "cblas_zsymm", "Illegal Side setting, %d\n", Side);
79          CBLAS_CallFromC = 0;
80          RowMajorStrg = 0;
81          return;
82       }
83 
84       if( Uplo == CblasUpper) UL='L';
85       else if ( Uplo == CblasLower ) UL='U';
86       else
87       {
88          cblas_xerbla(3, "cblas_zsymm", "Illegal Uplo setting, %d\n", Uplo);
89          CBLAS_CallFromC = 0;
90          RowMajorStrg = 0;
91          return;
92       }
93 
94       #ifdef F77_CHAR
95          F77_UL = C2F_CHAR(&UL);
96          F77_SD = C2F_CHAR(&SD);
97       #endif
98 
99       F77_zsymm(F77_SD, F77_UL, &F77_N, &F77_M, alpha, A, &F77_lda,
100                      B, &F77_ldb, beta, C, &F77_ldc);
101    }
102    else  cblas_xerbla(1, "cblas_zsymm", "Illegal layout setting, %d\n", layout);
103    CBLAS_CallFromC = 0;
104    RowMajorStrg = 0;
105    return;
106 }
107