LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ cblas_dsyrk()

void cblas_dsyrk ( CBLAS_LAYOUT  layout,
CBLAS_UPLO  Uplo,
CBLAS_TRANSPOSE  Trans,
const CBLAS_INT  N,
const CBLAS_INT  K,
const double  alpha,
const double *  A,
const CBLAS_INT  lda,
const double  beta,
double *  C,
const CBLAS_INT  ldc 
)

Definition at line 12 of file cblas_dsyrk.c.

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;
39
40 if( layout == CblasColMajor )
41 {
42
43 if( Uplo == CblasUpper) UL='U';
44 else if ( Uplo == CblasLower ) UL='L';
45 else
46 {
47 cblas_xerbla(2, "cblas_dsyrk","Illegal Uplo setting, %d\n", Uplo);
49 RowMajorStrg = 0;
50 return;
51 }
52
53 if( Trans == CblasTrans) TR ='T';
54 else if ( Trans == CblasConjTrans ) TR='C';
55 else if ( Trans == CblasNoTrans ) TR='N';
56 else
57 {
58 cblas_xerbla(3, "cblas_dsyrk","Illegal Trans setting, %d\n", Trans);
60 RowMajorStrg = 0;
61 return;
62 }
63
64
65 #ifdef F77_CHAR
66 F77_UL = C2F_CHAR(&UL);
67 F77_TR = C2F_CHAR(&TR);
68 #endif
69
70 F77_dsyrk(F77_UL, F77_TR, &F77_N, &F77_K, &alpha, A, &F77_lda,
71 &beta, C, &F77_ldc);
72 } else if (layout == CblasRowMajor)
73 {
74 RowMajorStrg = 1;
75 if( Uplo == CblasUpper) UL='L';
76 else if ( Uplo == CblasLower ) UL='U';
77 else
78 {
79 cblas_xerbla(3, "cblas_dsyrk","Illegal Uplo setting, %d\n", Uplo);
81 RowMajorStrg = 0;
82 return;
83 }
84 if( Trans == CblasTrans) TR ='N';
85 else if ( Trans == CblasConjTrans ) TR='N';
86 else if ( Trans == CblasNoTrans ) TR='T';
87 else
88 {
89 cblas_xerbla(3, "cblas_dsyrk","Illegal Trans setting, %d\n", Trans);
91 RowMajorStrg = 0;
92 return;
93 }
94
95 #ifdef F77_CHAR
96 F77_UL = C2F_CHAR(&UL);
97 F77_TR = C2F_CHAR(&TR);
98 #endif
99
100 F77_dsyrk(F77_UL, F77_TR, &F77_N, &F77_K, &alpha, A, &F77_lda,
101 &beta, C, &F77_ldc);
102 }
103 else cblas_xerbla(1, "cblas_dsyrk","Illegal layout setting, %d\n", layout);
104 CBLAS_CallFromC = 0;
105 RowMajorStrg = 0;
106 return;
107}
@ CblasLower
Definition: cblas.h:41
@ CblasUpper
Definition: cblas.h:41
void cblas_xerbla(CBLAS_INT p, const char *rout, const char *form,...)
Definition: cblas_xerbla.c:12
@ CblasNoTrans
Definition: cblas.h:40
@ CblasTrans
Definition: cblas.h:40
@ CblasConjTrans
Definition: cblas.h:40
@ CblasColMajor
Definition: cblas.h:39
@ CblasRowMajor
Definition: cblas.h:39
#define F77_ldc
#define F77_K
#define F77_TR
#define F77_N
#define F77_lda
#define F77_UL
#define F77_dsyrk(...)
Definition: cblas_f77.h:384
#define F77_INT
Definition: cblas_f77.h:32
int CBLAS_CallFromC
Definition: cblas_globals.c:1
int RowMajorStrg
Definition: cblas_globals.c:2
#define N
Definition: example_user.c:10
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