1 /*
2 *
3 * cblas_dsyr.c
4 * This program is a C interface to dsyr.
5 * Written by Keita Teranishi
6 * 4/6/1998
7 *
8 */
9
10 #include "cblas.h"
11 #include "cblas_f77.h"
cblas_dsyr(const enum CBLAS_ORDER order,const enum CBLAS_UPLO Uplo,const int N,const double alpha,const double * X,const int incX,double * A,const int lda)12 void cblas_dsyr(const enum CBLAS_ORDER order, const enum CBLAS_UPLO Uplo,
13 const int N, const double alpha, const double *X,
14 const int incX, double *A, const int lda)
15 {
16 char UL;
17 #ifdef F77_CHAR
18 F77_CHAR F77_UL;
19 #else
20 #define F77_UL &UL
21 #endif
22
23 #ifdef F77_INT
24 F77_INT F77_N=N, F77_incX=incX, F77_lda=lda;
25 #else
26 #define F77_N N
27 #define F77_incX incX
28 #define F77_lda lda
29 #endif
30 extern int CBLAS_CallFromC;
31 extern int RowMajorStrg;
32 RowMajorStrg = 0;
33 CBLAS_CallFromC = 1;
34 if (order == CblasColMajor)
35 {
36 if (Uplo == CblasLower) UL = 'L';
37 else if (Uplo == CblasUpper) UL = 'U';
38 else
39 {
40 cblas_xerbla(2, "cblas_dsyr","Illegal Uplo setting, %d\n",Uplo );
41 CBLAS_CallFromC = 0;
42 RowMajorStrg = 0;
43 return;
44 }
45 #ifdef F77_CHAR
46 F77_UL = C2F_CHAR(&UL);
47 #endif
48
49 F77_dsyr(F77_UL, &F77_N, &alpha, X, &F77_incX, A, &F77_lda);
50
51 } else if (order == CblasRowMajor)
52 {
53 RowMajorStrg = 1;
54 if (Uplo == CblasLower) UL = 'U';
55 else if (Uplo == CblasUpper) UL = 'L';
56 else
57 {
58 cblas_xerbla(2, "cblas_dsyr","Illegal Uplo setting, %d\n",Uplo );
59 CBLAS_CallFromC = 0;
60 RowMajorStrg = 0;
61 return;
62 }
63 #ifdef F77_CHAR
64 F77_UL = C2F_CHAR(&UL);
65 #endif
66 F77_dsyr(F77_UL, &F77_N, &alpha, X, &F77_incX, A, &F77_lda);
67 } else cblas_xerbla(1, "cblas_dsyr", "Illegal Order setting, %d\n", order);
68 CBLAS_CallFromC = 0;
69 RowMajorStrg = 0;
70 return;
71 }
72