1*1858f998SYi Kong /*
2*1858f998SYi Kong *
3*1858f998SYi Kong * cblas_dsymv.c
4*1858f998SYi Kong * This program is a C interface to dsymv.
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_dsymv(const enum CBLAS_ORDER order,const enum CBLAS_UPLO Uplo,const int N,const double alpha,const double * A,const int lda,const double * X,const int incX,const double beta,double * Y,const int incY)12*1858f998SYi Kong void cblas_dsymv(const enum CBLAS_ORDER order,
13*1858f998SYi Kong const enum CBLAS_UPLO Uplo, const int N,
14*1858f998SYi Kong const double alpha, const double *A, const int lda,
15*1858f998SYi Kong const double *X, const int incX, const double beta,
16*1858f998SYi Kong double *Y, const int incY)
17*1858f998SYi Kong {
18*1858f998SYi Kong char UL;
19*1858f998SYi Kong #ifdef F77_CHAR
20*1858f998SYi Kong F77_CHAR F77_UL;
21*1858f998SYi Kong #else
22*1858f998SYi Kong #define F77_UL &UL
23*1858f998SYi Kong #endif
24*1858f998SYi Kong #ifdef F77_INT
25*1858f998SYi Kong F77_INT F77_N=N, F77_lda=lda, F77_incX=incX, F77_incY=incY;
26*1858f998SYi Kong #else
27*1858f998SYi Kong #define F77_N N
28*1858f998SYi Kong #define F77_lda lda
29*1858f998SYi Kong #define F77_incX incX
30*1858f998SYi Kong #define F77_incY incY
31*1858f998SYi Kong #endif
32*1858f998SYi Kong extern int CBLAS_CallFromC;
33*1858f998SYi Kong extern int RowMajorStrg;
34*1858f998SYi Kong RowMajorStrg = 0;
35*1858f998SYi Kong
36*1858f998SYi Kong CBLAS_CallFromC = 1;
37*1858f998SYi Kong if (order == CblasColMajor)
38*1858f998SYi Kong {
39*1858f998SYi Kong if (Uplo == CblasUpper) UL = 'U';
40*1858f998SYi Kong else if (Uplo == CblasLower) UL = 'L';
41*1858f998SYi Kong else
42*1858f998SYi Kong {
43*1858f998SYi Kong cblas_xerbla(2, "cblas_dsymv","Illegal Uplo setting, %d\n",Uplo );
44*1858f998SYi Kong CBLAS_CallFromC = 0;
45*1858f998SYi Kong RowMajorStrg = 0;
46*1858f998SYi Kong return;
47*1858f998SYi Kong }
48*1858f998SYi Kong #ifdef F77_CHAR
49*1858f998SYi Kong F77_UL = C2F_CHAR(&UL);
50*1858f998SYi Kong #endif
51*1858f998SYi Kong F77_dsymv(F77_UL, &F77_N, &alpha, A, &F77_lda, X,
52*1858f998SYi Kong &F77_incX, &beta, Y, &F77_incY);
53*1858f998SYi Kong }
54*1858f998SYi Kong else if (order == CblasRowMajor)
55*1858f998SYi Kong {
56*1858f998SYi Kong RowMajorStrg = 1;
57*1858f998SYi Kong if (Uplo == CblasUpper) UL = 'L';
58*1858f998SYi Kong else if (Uplo == CblasLower) UL = 'U';
59*1858f998SYi Kong else
60*1858f998SYi Kong {
61*1858f998SYi Kong cblas_xerbla(2, "cblas_dsymv","Illegal Uplo setting, %d\n", Uplo);
62*1858f998SYi Kong CBLAS_CallFromC = 0;
63*1858f998SYi Kong RowMajorStrg = 0;
64*1858f998SYi Kong return;
65*1858f998SYi Kong }
66*1858f998SYi Kong #ifdef F77_CHAR
67*1858f998SYi Kong F77_UL = C2F_CHAR(&UL);
68*1858f998SYi Kong #endif
69*1858f998SYi Kong F77_dsymv(F77_UL, &F77_N, &alpha,
70*1858f998SYi Kong A ,&F77_lda, X,&F77_incX, &beta, Y, &F77_incY);
71*1858f998SYi Kong }
72*1858f998SYi Kong else cblas_xerbla(1, "cblas_dsymv", "Illegal Order setting, %d\n", order);
73*1858f998SYi Kong CBLAS_CallFromC = 0;
74*1858f998SYi Kong RowMajorStrg = 0;
75*1858f998SYi Kong return;
76*1858f998SYi Kong }
77