v0.8.23
cblas_cherk.c
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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"
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 }
CBLAS_UPLO
Definition: cblas.h:12
#define F77_N
CBLAS_TRANSPOSE
Definition: cblas.h:11
int CBLAS_CallFromC
Definition: cblas_globals.c:1
#define F77_lda
#define F77_TR
#define F77_ldc
CBLAS_ORDER
Definition: cblas.h:10
#define F77_SD
void cblas_xerbla(int p, const char *rout, const char *form,...)
Definition: cblas_xerbla.c:8
#define F77_K
const int N
Definition: speed_test.cpp:3
void F77_cherk(FCHAR, FCHAR, FINT, FINT, const float *, const float *, FINT, const float *, float *, FINT)
void 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)
Definition: cblas_cherk.c:12
#define F77_UL
int RowMajorStrg
Definition: cblas_globals.c:2