v0.9.0
cblas_dspr.c
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1 /*
2  *
3  * cblas_dspr.c
4  * This program is a C interface to dspr.
5  * Written by Keita Teranishi
6  * 4/6/1998
7  *
8  */
9 
10 #include "cblas.h"
11 #include "cblas_f77.h"
12 void cblas_dspr(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 *Ap)
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;
25 #else
26  #define F77_N N
27  #define F77_incX incX
28 #endif
29  extern int CBLAS_CallFromC;
30  extern int RowMajorStrg;
31  RowMajorStrg = 0;
32  CBLAS_CallFromC = 1;
33  if (order == CblasColMajor)
34  {
35  if (Uplo == CblasLower) UL = 'L';
36  else if (Uplo == CblasUpper) UL = 'U';
37  else
38  {
39  cblas_xerbla(2, "cblas_dspr","Illegal Uplo setting, %d\n",Uplo );
40  CBLAS_CallFromC = 0;
41  RowMajorStrg = 0;
42  return;
43  }
44  #ifdef F77_CHAR
45  F77_UL = C2F_CHAR(&UL);
46  #endif
47 
48  F77_dspr(F77_UL, &F77_N, &alpha, X, &F77_incX, Ap);
49 
50  } else if (order == CblasRowMajor)
51  {
52  RowMajorStrg = 1;
53  if (Uplo == CblasLower) UL = 'U';
54  else if (Uplo == CblasUpper) UL = 'L';
55  else
56  {
57  cblas_xerbla(2, "cblas_dspr","Illegal Uplo setting, %d\n",Uplo );
58  CBLAS_CallFromC = 0;
59  RowMajorStrg = 0;
60  return;
61  }
62  #ifdef F77_CHAR
63  F77_UL = C2F_CHAR(&UL);
64  #endif
65  F77_dspr(F77_UL, &F77_N, &alpha, X, &F77_incX, Ap);
66  } else cblas_xerbla(1, "cblas_dspr", "Illegal Order setting, %d\n", order);
67  CBLAS_CallFromC = 0;
68  RowMajorStrg = 0;
69  return;
70 }
#define F77_UL
#define F77_N
CBLAS_UPLO
Definition: cblas.h:12
void cblas_dspr(const enum CBLAS_ORDER order, const enum CBLAS_UPLO Uplo, const int N, const double alpha, const double *X, const int incX, double *Ap)
Definition: cblas_dspr.c:12
int CBLAS_CallFromC
Definition: cblas_globals.c:1
#define F77_incX
void F77_dspr(FCHAR, FINT, const double *, const double *, FINT, double *)
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
int RowMajorStrg
Definition: cblas_globals.c:2