1 #include "bli_config.h"
2 #include "bli_system.h"
3 #include "bli_type_defs.h"
4 #include "bli_cblas.h"
5 #ifdef BLIS_ENABLE_CBLAS
6 /*
7 *
8 * cblas_zherk.c
9 * This program is a C interface to zherk.
10 * Written by Keita Teranishi
11 * 4/8/1998
12 *
13 */
15 #include "cblas.h"
16 #include "cblas_f77.h"
17 void cblas_zherk(const enum CBLAS_ORDER Order, const enum CBLAS_UPLO Uplo,
18 const enum CBLAS_TRANSPOSE Trans, const int N, const int K,
19 const double alpha, const void *A, const int lda,
20 const double beta, void *C, const int ldc)
21 {
22 char UL, TR;
23 #ifdef F77_CHAR
24 F77_CHAR F77_TR, F77_UL;
25 #else
26 #define F77_TR &TR
27 #define F77_UL &UL
28 #endif
30 #ifdef F77_INT
31 F77_INT F77_N=N, F77_K=K, F77_lda=lda;
32 F77_INT F77_ldc=ldc;
33 #else
34 #define F77_N N
35 #define F77_K K
36 #define F77_lda lda
37 #define F77_ldc ldc
38 #endif
40 extern int CBLAS_CallFromC;
41 extern int RowMajorStrg;
42 RowMajorStrg = 0;
43 CBLAS_CallFromC = 1;
45 if( Order == CblasColMajor )
46 {
47 if( Uplo == CblasUpper) UL='U';
48 else if ( Uplo == CblasLower ) UL='L';
49 else
50 {
51 cblas_xerbla(2, "cblas_zherk", "Illegal Uplo setting, %d\n", Uplo);
52 CBLAS_CallFromC = 0;
53 RowMajorStrg = 0;
54 return;
55 }
57 if( Trans == CblasTrans) TR ='T';
58 else if ( Trans == CblasConjTrans ) TR='C';
59 else if ( Trans == CblasNoTrans ) TR='N';
60 else
61 {
62 cblas_xerbla(3, "cblas_zherk", "Illegal Trans setting, %d\n", Trans);
63 CBLAS_CallFromC = 0;
64 RowMajorStrg = 0;
65 return;
66 }
68 #ifdef F77_CHAR
69 F77_UL = C2F_CHAR(&UL);
70 F77_TR = C2F_CHAR(&TR);
71 #endif
73 F77_zherk(F77_UL, F77_TR, &F77_N, &F77_K, &alpha, A, &F77_lda,
74 &beta, C, &F77_ldc);
75 } else if (Order == CblasRowMajor)
76 {
77 RowMajorStrg = 1;
78 if( Uplo == CblasUpper) UL='L';
79 else if ( Uplo == CblasLower ) UL='U';
80 else
81 {
82 cblas_xerbla(3, "cblas_zherk", "Illegal Uplo setting, %d\n", Uplo);
83 CBLAS_CallFromC = 0;
84 RowMajorStrg = 0;
85 return;
86 }
87 if( Trans == CblasTrans) TR ='N';
88 else if ( Trans == CblasConjTrans ) TR='N';
89 else if ( Trans == CblasNoTrans ) TR='C';
90 else
91 {
92 cblas_xerbla(3, "cblas_zherk", "Illegal Trans setting, %d\n", Trans);
93 CBLAS_CallFromC = 0;
94 RowMajorStrg = 0;
95 return;
96 }
98 #ifdef F77_CHAR
99 F77_UL = C2F_CHAR(&UL);
100 F77_SD = C2F_CHAR(&SD);
101 #endif
103 F77_zherk(F77_UL, F77_TR, &F77_N, &F77_K, &alpha, A, &F77_lda,
104 &beta, C, &F77_ldc);
105 }
106 else cblas_xerbla(1, "cblas_zherk", "Illegal Order setting, %d\n", Order);
107 CBLAS_CallFromC = 0;
108 RowMajorStrg = 0;
109 return;
110 }
111 #endif