1 /*
2 *
3 * cblas_ssyr.c
4 * This program is a C interface to ssyr.
5 * Written by Keita Teranishi
6 * 4/6/1998
7 *
8 */
9 #include "cblas.h"
10 #include "cblas_f77.h"
cblas_ssyr(const enum CBLAS_ORDER order,const enum CBLAS_UPLO Uplo,const int N,const float alpha,const float * X,const int incX,float * A,const int lda)11 void cblas_ssyr(const enum CBLAS_ORDER order, const enum CBLAS_UPLO Uplo,
12 const int N, const float alpha, const float *X,
13 const int incX, float *A, const int lda)
14 {
15 char UL;
16 #ifdef F77_CHAR
17 F77_CHAR F77_UL;
18 #else
19 #define F77_UL &UL
20 #endif
21
22 #ifdef F77_INT
23 F77_INT F77_N=N, F77_incX=incX, F77_lda=lda;
24 #else
25 #define F77_N N
26 #define F77_incX incX
27 #define F77_lda lda
28 #endif
29 extern int CBLAS_CallFromC;
30 extern int RowMajorStrg;
31 RowMajorStrg = 0;
32 CBLAS_CallFromC = 1;
33 if (order == CblasColMajor)
34 {
35 if (Uplo == CblasLower) UL = 'L';
36 else if (Uplo == CblasUpper) UL = 'U';
37 else
38 {
39 cblas_xerbla(2, "cblas_ssyr","Illegal Uplo setting, %d\n",Uplo );
40 CBLAS_CallFromC = 0;
41 RowMajorStrg = 0;
42 return;
43 }
44 #ifdef F77_CHAR
45 F77_UL = C2F_CHAR(&UL);
46 #endif
47
48 F77_ssyr(F77_UL, &F77_N, &alpha, X, &F77_incX, A, &F77_lda);
49
50 } else if (order == CblasRowMajor)
51 {
52 RowMajorStrg = 1;
53 if (Uplo == CblasLower) UL = 'U';
54 else if (Uplo == CblasUpper) UL = 'L';
55 else
56 {
57 cblas_xerbla(2, "cblas_ssyr","Illegal Uplo setting, %d\n",Uplo );
58 CBLAS_CallFromC = 0;
59 RowMajorStrg = 0;
60 return;
61 }
62 #ifdef F77_CHAR
63 F77_UL = C2F_CHAR(&UL);
64 #endif
65 F77_ssyr(F77_UL, &F77_N, &alpha, X, &F77_incX, A, &F77_lda);
66 } else cblas_xerbla(1, "cblas_ssyr", "Illegal Order setting, %d\n", order);
67 CBLAS_CallFromC = 0;
68 RowMajorStrg = 0;
69 return;
70 }
71