1*1858f998SYi Kong /*
2*1858f998SYi Kong *
3*1858f998SYi Kong * cblas_ssbmv.c
4*1858f998SYi Kong * This program is a C interface to ssbmv.
5*1858f998SYi Kong * Written by Keita Teranishi
6*1858f998SYi Kong * 4/6/1998
7*1858f998SYi Kong *
8*1858f998SYi Kong */
9*1858f998SYi Kong #include "cblas.h"
10*1858f998SYi Kong #include "cblas_f77.h"
cblas_ssbmv(const enum CBLAS_ORDER order,const enum CBLAS_UPLO Uplo,const int N,const int K,const float alpha,const float * A,const int lda,const float * X,const int incX,const float beta,float * Y,const int incY)11*1858f998SYi Kong void cblas_ssbmv(const enum CBLAS_ORDER order, const enum CBLAS_UPLO Uplo,
12*1858f998SYi Kong const int N, const int K, const float alpha, const float *A,
13*1858f998SYi Kong const int lda, const float *X, const int incX,
14*1858f998SYi Kong const float beta, float *Y, const int incY)
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_K=K, F77_lda=lda, F77_incX=incX, F77_incY=incY;
25*1858f998SYi Kong #else
26*1858f998SYi Kong #define F77_N N
27*1858f998SYi Kong #define F77_K K
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
40*1858f998SYi Kong if (Uplo == CblasUpper) UL = 'U';
41*1858f998SYi Kong else if (Uplo == CblasLower) UL = 'L';
42*1858f998SYi Kong else
43*1858f998SYi Kong {
44*1858f998SYi Kong cblas_xerbla(2, "cblas_ssbmv","Illegal Uplo setting, %d\n",Uplo );
45*1858f998SYi Kong CBLAS_CallFromC = 0;
46*1858f998SYi Kong RowMajorStrg = 0;
47*1858f998SYi Kong return;
48*1858f998SYi Kong }
49*1858f998SYi Kong #ifdef F77_CHAR
50*1858f998SYi Kong F77_UL = C2F_CHAR(&UL);
51*1858f998SYi Kong #endif
52*1858f998SYi Kong F77_ssbmv(F77_UL, &F77_N, &F77_K, &alpha, A, &F77_lda, X,
53*1858f998SYi Kong &F77_incX, &beta, Y, &F77_incY);
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_ssbmv","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_ssbmv(F77_UL, &F77_N, &F77_K, &alpha, A, &F77_lda, X,
70*1858f998SYi Kong &F77_incX, &beta, Y, &F77_incY);
71*1858f998SYi Kong }
72*1858f998SYi Kong else cblas_xerbla(1, "cblas_ssbmv", "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