v0.9.0
cblas_dsyr.c
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1 /*
2  *
3  * cblas_dsyr.c
4  * This program is a C interface to dsyr.
5  * Written by Keita Teranishi
6  * 4/6/1998
7  *
8  */
9 
10 #include "cblas.h"
11 #include "cblas_f77.h"
12 void cblas_dsyr(const enum CBLAS_ORDER order, const enum CBLAS_UPLO Uplo,
13  const int N, const double alpha, const double *X,
14  const int incX, double *A, const int lda)
15 {
16  char UL;
17 #ifdef F77_CHAR
18  F77_CHAR F77_UL;
19 #else
20  #define F77_UL &UL
21 #endif
22 
23 #ifdef F77_INT
24  F77_INT F77_N=N, F77_incX=incX, F77_lda=lda;
25 #else
26  #define F77_N N
27  #define F77_incX incX
28  #define F77_lda lda
29 #endif
30  extern int CBLAS_CallFromC;
31  extern int RowMajorStrg;
32  RowMajorStrg = 0;
33  CBLAS_CallFromC = 1;
34  if (order == CblasColMajor)
35  {
36  if (Uplo == CblasLower) UL = 'L';
37  else if (Uplo == CblasUpper) UL = 'U';
38  else
39  {
40  cblas_xerbla(2, "cblas_dsyr","Illegal Uplo setting, %d\n",Uplo );
41  CBLAS_CallFromC = 0;
42  RowMajorStrg = 0;
43  return;
44  }
45  #ifdef F77_CHAR
46  F77_UL = C2F_CHAR(&UL);
47  #endif
48 
49  F77_dsyr(F77_UL, &F77_N, &alpha, X, &F77_incX, A, &F77_lda);
50 
51  } else if (order == CblasRowMajor)
52  {
53  RowMajorStrg = 1;
54  if (Uplo == CblasLower) UL = 'U';
55  else if (Uplo == CblasUpper) UL = 'L';
56  else
57  {
58  cblas_xerbla(2, "cblas_dsyr","Illegal Uplo setting, %d\n",Uplo );
59  CBLAS_CallFromC = 0;
60  RowMajorStrg = 0;
61  return;
62  }
63  #ifdef F77_CHAR
64  F77_UL = C2F_CHAR(&UL);
65  #endif
66  F77_dsyr(F77_UL, &F77_N, &alpha, X, &F77_incX, A, &F77_lda);
67  } else cblas_xerbla(1, "cblas_dsyr", "Illegal Order setting, %d\n", order);
68  CBLAS_CallFromC = 0;
69  RowMajorStrg = 0;
70  return;
71 }
#define F77_UL
#define F77_N
CBLAS_UPLO
Definition: cblas.h:12
int CBLAS_CallFromC
Definition: cblas_globals.c:1
#define F77_incX
#define F77_lda
void cblas_dsyr(const enum CBLAS_ORDER order, const enum CBLAS_UPLO Uplo, const int N, const double alpha, const double *X, const int incX, double *A, const int lda)
Definition: cblas_dsyr.c:12
CBLAS_ORDER
Definition: cblas.h:10
void cblas_xerbla(int p, const char *rout, const char *form,...)
Definition: cblas_xerbla.c:8
const int N
Definition: speed_test.cpp:3
void F77_dsyr(FCHAR, FINT, const double *, const double *, FINT, double *, FINT)
int RowMajorStrg
Definition: cblas_globals.c:2