v0.9.0
cblas_dsymv.c
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1 /*
2  *
3  * cblas_dsymv.c
4  * This program is a C interface to dsymv.
5  * Written by Keita Teranishi
6  * 4/6/1998
7  *
8  */
9 
10 #include "cblas.h"
11 #include "cblas_f77.h"
12 void cblas_dsymv(const enum CBLAS_ORDER order,
13  const enum CBLAS_UPLO Uplo, const int N,
14  const double alpha, const double *A, const int lda,
15  const double *X, const int incX, const double beta,
16  double *Y, const int incY)
17 {
18  char UL;
19 #ifdef F77_CHAR
20  F77_CHAR F77_UL;
21 #else
22  #define F77_UL &UL
23 #endif
24 #ifdef F77_INT
25  F77_INT F77_N=N, F77_lda=lda, F77_incX=incX, F77_incY=incY;
26 #else
27  #define F77_N N
28  #define F77_lda lda
29  #define F77_incX incX
30  #define F77_incY incY
31 #endif
32  extern int CBLAS_CallFromC;
33  extern int RowMajorStrg;
34  RowMajorStrg = 0;
35 
36  CBLAS_CallFromC = 1;
37  if (order == CblasColMajor)
38  {
39  if (Uplo == CblasUpper) UL = 'U';
40  else if (Uplo == CblasLower) UL = 'L';
41  else
42  {
43  cblas_xerbla(2, "cblas_dsymv","Illegal Uplo setting, %d\n",Uplo );
44  CBLAS_CallFromC = 0;
45  RowMajorStrg = 0;
46  return;
47  }
48  #ifdef F77_CHAR
49  F77_UL = C2F_CHAR(&UL);
50  #endif
51  F77_dsymv(F77_UL, &F77_N, &alpha, A, &F77_lda, X,
52  &F77_incX, &beta, Y, &F77_incY);
53  }
54  else if (order == CblasRowMajor)
55  {
56  RowMajorStrg = 1;
57  if (Uplo == CblasUpper) UL = 'L';
58  else if (Uplo == CblasLower) UL = 'U';
59  else
60  {
61  cblas_xerbla(2, "cblas_dsymv","Illegal Uplo setting, %d\n", Uplo);
62  CBLAS_CallFromC = 0;
63  RowMajorStrg = 0;
64  return;
65  }
66  #ifdef F77_CHAR
67  F77_UL = C2F_CHAR(&UL);
68  #endif
69  F77_dsymv(F77_UL, &F77_N, &alpha,
70  A ,&F77_lda, X,&F77_incX, &beta, Y, &F77_incY);
71  }
72  else cblas_xerbla(1, "cblas_dsymv", "Illegal Order setting, %d\n", order);
73  CBLAS_CallFromC = 0;
74  RowMajorStrg = 0;
75  return;
76 }
#define F77_N
void cblas_dsymv(const enum CBLAS_ORDER order, const enum CBLAS_UPLO Uplo, const int N, const double alpha, const double *A, const int lda, const double *X, const int incX, const double beta, double *Y, const int incY)
Definition: cblas_dsymv.c:12
CBLAS_UPLO
Definition: cblas.h:12
#define F77_incY
int CBLAS_CallFromC
Definition: cblas_globals.c:1
#define F77_UL
#define F77_incX
CBLAS_ORDER
Definition: cblas.h:10
void cblas_xerbla(int p, const char *rout, const char *form,...)
Definition: cblas_xerbla.c:8
void F77_dsymv(FCHAR, FINT, const double *, const double *, FINT, const double *, FINT, const double *, double *, FINT)
#define F77_lda
const int N
Definition: speed_test.cpp:3
int RowMajorStrg
Definition: cblas_globals.c:2