1*1858f998SYi Kong /*
2*1858f998SYi Kong * cblas_dspr2.c
3*1858f998SYi Kong * The program is a C interface to dspr2.
4*1858f998SYi Kong *
5*1858f998SYi Kong * Keita Teranishi 5/20/98
6*1858f998SYi Kong *
7*1858f998SYi Kong */
8*1858f998SYi Kong #include "cblas.h"
9*1858f998SYi Kong #include "cblas_f77.h"
cblas_dspr2(const enum CBLAS_ORDER order,const enum CBLAS_UPLO Uplo,const int N,const double alpha,const double * X,const int incX,const double * Y,const int incY,double * A)10*1858f998SYi Kong void cblas_dspr2(const enum CBLAS_ORDER order, const enum CBLAS_UPLO Uplo,
11*1858f998SYi Kong const int N, const double alpha, const double *X,
12*1858f998SYi Kong const int incX, const double *Y, const int incY, double *A)
13*1858f998SYi Kong {
14*1858f998SYi Kong char UL;
15*1858f998SYi Kong #ifdef F77_CHAR
16*1858f998SYi Kong F77_CHAR F77_UL;
17*1858f998SYi Kong #else
18*1858f998SYi Kong #define F77_UL &UL
19*1858f998SYi Kong #endif
20*1858f998SYi Kong
21*1858f998SYi Kong #ifdef F77_INT
22*1858f998SYi Kong F77_INT F77_N=N, F77_incX=incX, F77_incY=incY;
23*1858f998SYi Kong #else
24*1858f998SYi Kong #define F77_N N
25*1858f998SYi Kong #define F77_incX incX
26*1858f998SYi Kong #define F77_incY incY
27*1858f998SYi Kong #endif
28*1858f998SYi Kong
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_dspr2","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_dspr2(F77_UL, &F77_N, &alpha, X, &F77_incX, Y, &F77_incY, A);
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_dspr2","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_dspr2(F77_UL, &F77_N, &alpha, X, &F77_incX, Y, &F77_incY, A);
66*1858f998SYi Kong } else cblas_xerbla(1, "cblas_dspr2", "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