1 /*
2 *
3 * cblas_cherk.c
4 * This program is a C interface to cherk.
5 * Written by Keita Teranishi
6 * 4/8/1998
7 *
8 */
9
10 #include "cblas.h"
11 #include "cblas_f77.h"
cblas_cherk(const enum CBLAS_ORDER Order,const enum CBLAS_UPLO Uplo,const enum CBLAS_TRANSPOSE Trans,const int N,const int K,const float alpha,const void * A,const int lda,const float beta,void * C,const int ldc)12 void cblas_cherk(const enum CBLAS_ORDER Order, const enum CBLAS_UPLO Uplo,
13 const enum CBLAS_TRANSPOSE Trans, const int N, const int K,
14 const float alpha, const void *A, const int lda,
15 const float 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 if( Uplo == CblasUpper) UL='U';
43 else if ( Uplo == CblasLower ) UL='L';
44 else
45 {
46 cblas_xerbla(2, "cblas_cherk", "Illegal Uplo setting, %d\n", Uplo);
47 CBLAS_CallFromC = 0;
48 RowMajorStrg = 0;
49 return;
50 }
51
52 if( Trans == CblasTrans) TR ='T';
53 else if ( Trans == CblasConjTrans ) TR='C';
54 else if ( Trans == CblasNoTrans ) TR='N';
55 else
56 {
57 cblas_xerbla(3, "cblas_cherk", "Illegal Trans setting, %d\n", Trans);
58 CBLAS_CallFromC = 0;
59 RowMajorStrg = 0;
60 return;
61 }
62
63 #ifdef F77_CHAR
64 F77_UL = C2F_CHAR(&UL);
65 F77_TR = C2F_CHAR(&TR);
66 #endif
67
68 F77_cherk(F77_UL, F77_TR, &F77_N, &F77_K, &alpha, A, &F77_lda,
69 &beta, C, &F77_ldc);
70 } else if (Order == CblasRowMajor)
71 {
72 RowMajorStrg = 1;
73 if( Uplo == CblasUpper) UL='L';
74 else if ( Uplo == CblasLower ) UL='U';
75 else
76 {
77 cblas_xerbla(3, "cblas_cherk", "Illegal Uplo setting, %d\n", Uplo);
78 CBLAS_CallFromC = 0;
79 RowMajorStrg = 0;
80 return;
81 }
82 if( Trans == CblasTrans) TR ='N';
83 else if ( Trans == CblasConjTrans ) TR='N';
84 else if ( Trans == CblasNoTrans ) TR='C';
85 else
86 {
87 cblas_xerbla(3, "cblas_cherk", "Illegal Trans setting, %d\n", Trans);
88 CBLAS_CallFromC = 0;
89 RowMajorStrg = 0;
90 return;
91 }
92
93 #ifdef F77_CHAR
94 F77_UL = C2F_CHAR(&UL);
95 F77_SD = C2F_CHAR(&SD);
96 #endif
97
98 F77_cherk(F77_UL, F77_TR, &F77_N, &F77_K, &alpha, A, &F77_lda,
99 &beta, C, &F77_ldc);
100 }
101 else cblas_xerbla(1, "cblas_cherk", "Illegal Order setting, %d\n", Order);
102 CBLAS_CallFromC = 0;
103 RowMajorStrg = 0;
104 return;
105 }
106