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 CBLAS_INT_TYPE N,const CBLAS_INT_TYPE K,const float alpha,const void * A,const CBLAS_INT_TYPE lda,const float beta,void * C,const CBLAS_INT_TYPE ldc)12 void cblas_cherk(const enum CBLAS_ORDER Order, const enum CBLAS_UPLO Uplo,
13 const enum CBLAS_TRANSPOSE Trans, const CBLAS_INT_TYPE N, const CBLAS_INT_TYPE K,
14 const float alpha, const void *A, const CBLAS_INT_TYPE lda,
15 const float beta, void *C, const CBLAS_INT_TYPE 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
36 if( Order == CblasColMajor )
37 {
38 if( Uplo == CblasUpper) UL='U';
39 else if ( Uplo == CblasLower ) UL='L';
40 else
41 {
42 cblas_xerbla(2, "cblas_cherk", "Illegal Uplo setting, %d\n", Uplo);
43 return;
44 }
45
46 if( Trans == CblasTrans) TR ='T';
47 else if ( Trans == CblasConjTrans ) TR='C';
48 else if ( Trans == CblasNoTrans ) TR='N';
49 else
50 {
51 cblas_xerbla(3, "cblas_cherk", "Illegal Trans setting, %d\n", Trans);
52 return;
53 }
54
55 #ifdef F77_CHAR
56 F77_UL = C2F_CHAR(&UL);
57 F77_TR = C2F_CHAR(&TR);
58 #endif
59
60 F77_cherk(F77_UL, F77_TR, &F77_N, &F77_K, &alpha, A, &F77_lda,
61 &beta, C, &F77_ldc);
62 } else if (Order == CblasRowMajor)
63 {
64 if( Uplo == CblasUpper) UL='L';
65 else if ( Uplo == CblasLower ) UL='U';
66 else
67 {
68 cblas_xerbla(3, "cblas_cherk", "Illegal Uplo setting, %d\n", Uplo);
69 return;
70 }
71 if( Trans == CblasTrans) TR ='N';
72 else if ( Trans == CblasConjTrans ) TR='N';
73 else if ( Trans == CblasNoTrans ) TR='C';
74 else
75 {
76 cblas_xerbla(3, "cblas_cherk", "Illegal Trans setting, %d\n", Trans);
77 return;
78 }
79
80 #ifdef F77_CHAR
81 F77_UL = C2F_CHAR(&UL);
82 F77_SD = C2F_CHAR(&SD);
83 #endif
84
85 F77_cherk(F77_UL, F77_TR, &F77_N, &F77_K, &alpha, A, &F77_lda,
86 &beta, C, &F77_ldc);
87 }
88 else cblas_xerbla(1, "cblas_cherk", "Illegal Order setting, %d\n", Order);
89 return;
90 }
91