LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ cblas_dsyr()

void cblas_dsyr ( CBLAS_LAYOUT  layout,
CBLAS_UPLO  Uplo,
const CBLAS_INT  N,
const double  alpha,
const double *  X,
const CBLAS_INT  incX,
double *  A,
const CBLAS_INT  lda 
)

Definition at line 12 of file cblas_dsyr.c.

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;
34 if (layout == 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 );
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 (layout == 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 );
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 layout setting, %d\n", layout);
69 RowMajorStrg = 0;
70 return;
71}
@ 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
@ CblasColMajor
Definition: cblas.h:39
@ CblasRowMajor
Definition: cblas.h:39
#define F77_incX
#define F77_N
#define F77_lda
#define F77_UL
#define F77_dsyr(...)
Definition: cblas_f77.h:326
#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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