1*1858f998SYi Kong /*
2*1858f998SYi Kong *
3*1858f998SYi Kong * cblas_dspr.c
4*1858f998SYi Kong * This program is a C interface to dspr.
5*1858f998SYi Kong * Written by Keita Teranishi
6*1858f998SYi Kong * 4/6/1998
7*1858f998SYi Kong *
8*1858f998SYi Kong */
9*1858f998SYi Kong
10*1858f998SYi Kong #include "cblas.h"
11*1858f998SYi Kong #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*1858f998SYi Kong void cblas_dspr(const enum CBLAS_ORDER order, const enum CBLAS_UPLO Uplo,
13*1858f998SYi Kong const int N, const double alpha, const double *X,
14*1858f998SYi Kong const int incX, double *Ap)
15*1858f998SYi Kong {
16*1858f998SYi Kong char UL;
17*1858f998SYi Kong #ifdef F77_CHAR
18*1858f998SYi Kong F77_CHAR F77_UL;
19*1858f998SYi Kong #else
20*1858f998SYi Kong #define F77_UL &UL
21*1858f998SYi Kong #endif
22*1858f998SYi Kong
23*1858f998SYi Kong #ifdef F77_INT
24*1858f998SYi Kong F77_INT F77_N=N, F77_incX=incX;
25*1858f998SYi Kong #else
26*1858f998SYi Kong #define F77_N N
27*1858f998SYi Kong #define F77_incX incX
28*1858f998SYi Kong #endif
29*1858f998SYi Kong extern int CBLAS_CallFromC;
30*1858f998SYi Kong extern int RowMajorStrg;
31*1858f998SYi Kong RowMajorStrg = 0;
32*1858f998SYi Kong CBLAS_CallFromC = 1;
33*1858f998SYi Kong if (order == CblasColMajor)
34*1858f998SYi Kong {
35*1858f998SYi Kong if (Uplo == CblasLower) UL = 'L';
36*1858f998SYi Kong else if (Uplo == CblasUpper) UL = 'U';
37*1858f998SYi Kong else
38*1858f998SYi Kong {
39*1858f998SYi Kong cblas_xerbla(2, "cblas_dspr","Illegal Uplo setting, %d\n",Uplo );
40*1858f998SYi Kong CBLAS_CallFromC = 0;
41*1858f998SYi Kong RowMajorStrg = 0;
42*1858f998SYi Kong return;
43*1858f998SYi Kong }
44*1858f998SYi Kong #ifdef F77_CHAR
45*1858f998SYi Kong F77_UL = C2F_CHAR(&UL);
46*1858f998SYi Kong #endif
47*1858f998SYi Kong
48*1858f998SYi Kong F77_dspr(F77_UL, &F77_N, &alpha, X, &F77_incX, Ap);
49*1858f998SYi Kong
50*1858f998SYi Kong } else if (order == CblasRowMajor)
51*1858f998SYi Kong {
52*1858f998SYi Kong RowMajorStrg = 1;
53*1858f998SYi Kong if (Uplo == CblasLower) UL = 'U';
54*1858f998SYi Kong else if (Uplo == CblasUpper) UL = 'L';
55*1858f998SYi Kong else
56*1858f998SYi Kong {
57*1858f998SYi Kong cblas_xerbla(2, "cblas_dspr","Illegal Uplo setting, %d\n",Uplo );
58*1858f998SYi Kong CBLAS_CallFromC = 0;
59*1858f998SYi Kong RowMajorStrg = 0;
60*1858f998SYi Kong return;
61*1858f998SYi Kong }
62*1858f998SYi Kong #ifdef F77_CHAR
63*1858f998SYi Kong F77_UL = C2F_CHAR(&UL);
64*1858f998SYi Kong #endif
65*1858f998SYi Kong F77_dspr(F77_UL, &F77_N, &alpha, X, &F77_incX, Ap);
66*1858f998SYi Kong } else cblas_xerbla(1, "cblas_dspr", "Illegal Order setting, %d\n", order);
67*1858f998SYi Kong CBLAS_CallFromC = 0;
68*1858f998SYi Kong RowMajorStrg = 0;
69*1858f998SYi Kong return;
70*1858f998SYi Kong }
71