1 #include "blis.h"
2 #ifdef BLIS_ENABLE_CBLAS
3 /*
4 *
5 * cblas_ssymv.c
6 * This program is a C interface to ssymv.
7 * Written by Keita Teranishi
8 * 4/6/1998
9 *
10 */
11
12 #include "cblas.h"
13 #include "cblas_f77.h"
cblas_ssymv(enum CBLAS_ORDER order,enum CBLAS_UPLO Uplo,f77_int N,float alpha,const float * A,f77_int lda,const float * X,f77_int incX,float beta,float * Y,f77_int incY)14 void cblas_ssymv(enum CBLAS_ORDER order,
15 enum CBLAS_UPLO Uplo, f77_int N,
16 float alpha, const float *A, f77_int lda,
17 const float *X, f77_int incX, float beta,
18 float *Y, f77_int incY)
19 {
20 char UL;
21 #ifdef F77_CHAR
22 F77_CHAR F77_UL;
23 #else
24 #define F77_UL &UL
25 #endif
26 #ifdef F77_INT
27 F77_INT F77_N=N, F77_lda=lda, F77_incX=incX, F77_incY=incY;
28 #else
29 #define F77_N N
30 #define F77_lda lda
31 #define F77_incX incX
32 #define F77_incY incY
33 #endif
34 extern int CBLAS_CallFromC;
35 extern int RowMajorStrg;
36 RowMajorStrg = 0;
37
38 CBLAS_CallFromC = 1;
39 if (order == CblasColMajor)
40 {
41 if (Uplo == CblasUpper) UL = 'U';
42 else if (Uplo == CblasLower) UL = 'L';
43 else
44 {
45 cblas_xerbla(2, "cblas_ssymv","Illegal Uplo setting, %d\n",Uplo );
46 CBLAS_CallFromC = 0;
47 RowMajorStrg = 0;
48 return;
49 }
50 #ifdef F77_CHAR
51 F77_UL = C2F_CHAR(&UL);
52 #endif
53 F77_ssymv(F77_UL, &F77_N, &alpha, A, &F77_lda, X,
54 &F77_incX, &beta, Y, &F77_incY);
55 }
56 else if (order == CblasRowMajor)
57 {
58 RowMajorStrg = 1;
59 if (Uplo == CblasUpper) UL = 'L';
60 else if (Uplo == CblasLower) UL = 'U';
61 else
62 {
63 cblas_xerbla(2, "cblas_ssymv","Illegal Uplo setting, %d\n", Uplo);
64 CBLAS_CallFromC = 0;
65 RowMajorStrg = 0;
66 return;
67 }
68 #ifdef F77_CHAR
69 F77_UL = C2F_CHAR(&UL);
70 #endif
71 F77_ssymv(F77_UL, &F77_N, &alpha,
72 A ,&F77_lda, X,&F77_incX, &beta, Y, &F77_incY);
73 }
74 else cblas_xerbla(1, "cblas_ssymv", "Illegal Order setting, %d\n", order);
75 CBLAS_CallFromC = 0;
76 RowMajorStrg = 0;
77 return;
78 }
79 #endif
80