1 /*
2 *
3 * cblas_csyrk.c
4 * This program is a C interface to csyrk.
5 * Written by Keita Teranishi
6 * 4/8/1998
7 *
8 */
9
10 #include "cblas.h"
11 #include "cblas_f77.h"
cblas_csyrk(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_csyrk(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_csyrk", "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_csyrk", "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_csyrk(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_csyrk", "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_csyrk", "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_csyrk(F77_UL, F77_TR, &F77_N, &F77_K, alpha, A, &F77_lda,
101 beta, C, &F77_ldc);
102 }
103 else cblas_xerbla(1, "cblas_csyrk", "Illegal Order setting, %d\n", Order);
104 CBLAS_CallFromC = 0;
105 RowMajorStrg = 0;
106 return;
107 }
108
109