1 /*
2 *
3 * cblas_ssyrk.c
4 * This program is a C interface to ssyrk.
5 * Written by Keita Teranishi
6 * 4/8/1998
7 *
8 */
9
10 #include "cblas.h"
11 #include "cblas_f77.h"
cblas_ssyrk(const enum CBLAS_ORDER Order,const enum CBLAS_UPLO Uplo,const enum CBLAS_TRANSPOSE Trans,const int N,const int K,const float alpha,const float * A,const int lda,const float beta,float * C,const int ldc)12 void cblas_ssyrk(const enum CBLAS_ORDER Order, const enum CBLAS_UPLO Uplo,
13 const enum CBLAS_TRANSPOSE Trans, const int N, const int K,
14 const float alpha, const float *A, const int lda,
15 const float beta, float *C, const int ldc)
16 {
17 char UL, TR;
18 #ifdef F77_CHAR
19 F77_CHAR F77_TR, F77_UL;
20 #else
21 #define F77_TR &TR
22 #define F77_UL &UL
23 #endif
24
25 #ifdef F77_INT
26 F77_INT F77_N=N, F77_K=K, F77_lda=lda;
27 F77_INT F77_ldc=ldc;
28 #else
29 #define F77_N N
30 #define F77_K K
31 #define F77_lda lda
32 #define F77_ldc ldc
33 #endif
34
35 extern int CBLAS_CallFromC;
36 extern int RowMajorStrg;
37 RowMajorStrg = 0;
38 CBLAS_CallFromC = 1;
39
40 if( Order == CblasColMajor )
41 {
42
43 if( Uplo == CblasUpper) UL='U';
44 else if ( Uplo == CblasLower ) UL='L';
45 else
46 {
47 cblas_xerbla(2, "cblas_ssyrk",
48 "Illegal Uplo setting, %d\n", Uplo);
49 CBLAS_CallFromC = 0;
50 RowMajorStrg = 0;
51 return;
52 }
53
54 if( Trans == CblasTrans) TR ='T';
55 else if ( Trans == CblasConjTrans ) TR='C';
56 else if ( Trans == CblasNoTrans ) TR='N';
57 else
58 {
59 cblas_xerbla(3, "cblas_ssyrk",
60 "Illegal Trans setting, %d\n", Trans);
61 CBLAS_CallFromC = 0;
62 RowMajorStrg = 0;
63 return;
64 }
65
66
67 #ifdef F77_CHAR
68 F77_UL = C2F_CHAR(&UL);
69 F77_TR = C2F_CHAR(&TR);
70 #endif
71
72 F77_ssyrk(F77_UL, F77_TR, &F77_N, &F77_K, &alpha, A, &F77_lda, &beta, C, &F77_ldc);
73 } else if (Order == CblasRowMajor)
74 {
75 RowMajorStrg = 1;
76 if( Uplo == CblasUpper) UL='L';
77 else if ( Uplo == CblasLower ) UL='U';
78 else
79 {
80 cblas_xerbla(3, "cblas_ssyrk",
81 "Illegal Uplo setting, %d\n", Uplo);
82 CBLAS_CallFromC = 0;
83 RowMajorStrg = 0;
84 return;
85 }
86 if( Trans == CblasTrans) TR ='N';
87 else if ( Trans == CblasConjTrans ) TR='N';
88 else if ( Trans == CblasNoTrans ) TR='T';
89 else
90 {
91 cblas_xerbla(3, "cblas_ssyrk",
92 "Illegal Trans setting, %d\n", Trans);
93 CBLAS_CallFromC = 0;
94 RowMajorStrg = 0;
95 return;
96 }
97
98 #ifdef F77_CHAR
99 F77_UL = C2F_CHAR(&UL);
100 F77_TR = C2F_CHAR(&TR);
101 #endif
102
103 F77_ssyrk(F77_UL, F77_TR, &F77_N, &F77_K, &alpha, A, &F77_lda, &beta, C, &F77_ldc);
104 } else cblas_xerbla(1, "cblas_ssyrk",
105 "Illegal Order setting, %d\n", Order);
106 CBLAS_CallFromC = 0;
107 RowMajorStrg = 0;
108 return;
109 }
110
111