LAPACK  3.10.0
LAPACK: Linear Algebra PACKage

◆ cblas_dsbmv()

void cblas_dsbmv ( CBLAS_LAYOUT  layout,
CBLAS_UPLO  Uplo,
const CBLAS_INDEX  N,
const CBLAS_INDEX  K,
const double  alpha,
const double *  A,
const CBLAS_INDEX  lda,
const double *  X,
const CBLAS_INDEX  incX,
const double  beta,
double *  Y,
const CBLAS_INDEX  incY 
)

Definition at line 12 of file cblas_dsbmv.c.

17 {
18  char UL;
19 #ifdef F77_CHAR
20  F77_CHAR F77_UL;
21 #else
22  #define F77_UL &UL
23 #endif
24 #ifdef F77_INT
25  F77_INT F77_N=N, F77_K=K, F77_lda=lda, F77_incX=incX, F77_incY=incY;
26 #else
27  #define F77_N N
28  #define F77_K K
29  #define F77_lda lda
30  #define F77_incX incX
31  #define F77_incY incY
32 #endif
33  extern int CBLAS_CallFromC;
34  extern int RowMajorStrg;
35  RowMajorStrg = 0;
36 
37  CBLAS_CallFromC = 1;
38  if (layout == CblasColMajor)
39  {
40  if (Uplo == CblasUpper) UL = 'U';
41  else if (Uplo == CblasLower) UL = 'L';
42  else
43  {
44  cblas_xerbla(2, "cblas_dsbmv","Illegal Uplo setting, %d\n",Uplo );
45  CBLAS_CallFromC = 0;
46  RowMajorStrg = 0;
47  return;
48  }
49  #ifdef F77_CHAR
50  F77_UL = C2F_CHAR(&UL);
51  #endif
52  F77_dsbmv(F77_UL, &F77_N, &F77_K, &alpha, A, &F77_lda, X,
53  &F77_incX, &beta, Y, &F77_incY);
54  }
55  else if (layout == CblasRowMajor)
56  {
57  RowMajorStrg = 1;
58  if (Uplo == CblasUpper) UL = 'L';
59  else if (Uplo == CblasLower) UL = 'U';
60  else
61  {
62  cblas_xerbla(2, "cblas_dsbmv","Illegal Uplo setting, %d\n", Uplo);
63  CBLAS_CallFromC = 0;
64  RowMajorStrg = 0;
65  return;
66  }
67  #ifdef F77_CHAR
68  F77_UL = C2F_CHAR(&UL);
69  #endif
70  F77_dsbmv(F77_UL, &F77_N, &F77_K, &alpha,
71  A ,&F77_lda, X,&F77_incX, &beta, Y, &F77_incY);
72  }
73  else cblas_xerbla(1, "cblas_dsbmv", "Illegal layout setting, %d\n", layout);
74  CBLAS_CallFromC = 0;
75  RowMajorStrg = 0;
76  return;
77 }
void F77_dsbmv(int *layout, char *uplow, int *n, int *k, double *alpha, double *a, int *lda, double *x, int *incx, double *beta, double *y, int *incy)
Definition: c_dblas2.c:317
@ CblasLower
Definition: cblas.h:21
@ CblasUpper
Definition: cblas.h:21
@ CblasColMajor
Definition: cblas.h:19
@ CblasRowMajor
Definition: cblas.h:19
void cblas_xerbla(CBLAS_INDEX p, const char *rout, const char *form,...)
Definition: cblas_xerbla.c:12
#define F77_incX
#define F77_incY
#define F77_K
#define F77_N
#define F77_lda
#define F77_UL
#define F77_INT
Definition: cblas_f77.h:30
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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