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1 /*
2  *
3  * cblas_zsyrk.c
4  * This program is a C interface to zsyrk.
5  * Written by Keita Teranishi
6  * 4/8/1998
7  *
8  */
9 
10 #include "cblas.h"
11 #include "cblas_f77.h"
cblas_zsyrk(const enum CBLAS_ORDER Order,const enum CBLAS_UPLO Uplo,const enum CBLAS_TRANSPOSE Trans,const int N,const int K,const void * alpha,const void * A,const int lda,const void * beta,void * C,const int ldc)12 void cblas_zsyrk(const enum CBLAS_ORDER Order, const enum CBLAS_UPLO Uplo,
13                  const enum CBLAS_TRANSPOSE Trans, const int N, const int K,
14                  const void *alpha, const void  *A, const int lda,
15                  const void *beta, void  *C, const int ldc)
16 {
17    char UL, TR;
18 #ifdef F77_CHAR
19    F77_CHAR F77_TR, F77_UL;
20 #else
21    #define F77_TR &TR
22    #define F77_UL &UL
23 #endif
24 
25 #ifdef F77_INT
26    F77_INT F77_N=N, F77_K=K, F77_lda=lda;
27    F77_INT F77_ldc=ldc;
28 #else
29    #define F77_N N
30    #define F77_K K
31    #define F77_lda lda
32    #define F77_ldc ldc
33 #endif
34 
35    extern int CBLAS_CallFromC;
36    extern int RowMajorStrg;
37    RowMajorStrg = 0;
38    CBLAS_CallFromC = 1;
39 
40    if( Order == CblasColMajor )
41    {
42 
43       if( Uplo == CblasUpper) UL='U';
44       else if ( Uplo == CblasLower ) UL='L';
45       else
46       {
47          cblas_xerbla(2, "cblas_zsyrk", "Illegal Uplo setting, %d\n", Uplo);
48          CBLAS_CallFromC = 0;
49          RowMajorStrg = 0;
50          return;
51       }
52 
53       if( Trans == CblasTrans) TR ='T';
54       else if ( Trans == CblasConjTrans ) TR='C';
55       else if ( Trans == CblasNoTrans )   TR='N';
56       else
57       {
58          cblas_xerbla(3, "cblas_zsyrk", "Illegal Trans setting, %d\n", Trans);
59          CBLAS_CallFromC = 0;
60          RowMajorStrg = 0;
61          return;
62       }
63 
64 
65       #ifdef F77_CHAR
66          F77_UL = C2F_CHAR(&UL);
67          F77_TR = C2F_CHAR(&TR);
68       #endif
69 
70       F77_zsyrk(F77_UL, F77_TR, &F77_N, &F77_K, alpha, A, &F77_lda,
71                 beta, C, &F77_ldc);
72    } else if (Order == CblasRowMajor)
73    {
74       RowMajorStrg = 1;
75       if( Uplo == CblasUpper) UL='L';
76       else if ( Uplo == CblasLower ) UL='U';
77       else
78       {
79          cblas_xerbla(3, "cblas_zsyrk", "Illegal Uplo setting, %d\n", Uplo);
80          CBLAS_CallFromC = 0;
81          RowMajorStrg = 0;
82          return;
83       }
84       if( Trans == CblasTrans) TR ='N';
85       else if ( Trans == CblasConjTrans ) TR='N';
86       else if ( Trans == CblasNoTrans )   TR='T';
87       else
88       {
89          cblas_xerbla(3, "cblas_zsyrk", "Illegal Trans setting, %d\n", Trans);
90          CBLAS_CallFromC = 0;
91          RowMajorStrg = 0;
92          return;
93       }
94 
95       #ifdef F77_CHAR
96          F77_UL = C2F_CHAR(&UL);
97          F77_TR = C2F_CHAR(&TR);
98       #endif
99 
100       F77_zsyrk(F77_UL, F77_TR, &F77_N, &F77_K, alpha, A, &F77_lda,
101                      beta, C, &F77_ldc);
102    }
103    else  cblas_xerbla(1, "cblas_zsyrk", "Illegal Order setting, %d\n", Order);
104    CBLAS_CallFromC = 0;
105    RowMajorStrg = 0;
106    return;
107 }
108