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"
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)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 }
71