LAPACK  3.10.0
LAPACK: Linear Algebra PACKage

◆ F77_dsyr()

void F77_dsyr ( int *  layout,
char *  uplow,
int *  n,
double *  alpha,
double *  x,
int *  incx,
double *  a,
int *  lda 
)

Definition at line 139 of file c_dblas2.c.

140  {
141  double *A;
142  int i,j,LDA;
143  CBLAS_UPLO uplo;
144 
145  get_uplo_type(uplow,&uplo);
146 
147  if (*layout == TEST_ROW_MJR) {
148  LDA = *n+1;
149  A = ( double* )malloc( (*n)*LDA*sizeof( double ) );
150  for( i=0; i<*n; i++ )
151  for( j=0; j<*n; j++ )
152  A[ LDA*i+j ]=a[ (*lda)*j+i ];
153  cblas_dsyr(CblasRowMajor, uplo, *n, *alpha, x, *incx, A, LDA);
154  for( i=0; i<*n; i++ )
155  for( j=0; j<*n; j++ )
156  a[ (*lda)*j+i ]=A[ LDA*i+j ];
157  free(A);
158  }
159  else
160  cblas_dsyr(CblasColMajor, uplo, *n, *alpha, x, *incx, a, *lda);
161 }
CBLAS_UPLO
Definition: cblas.h:21
@ CblasColMajor
Definition: cblas.h:19
@ CblasRowMajor
Definition: cblas.h:19
void cblas_dsyr(CBLAS_LAYOUT layout, CBLAS_UPLO Uplo, const CBLAS_INDEX N, const double alpha, const double *X, const CBLAS_INDEX incX, double *A, const CBLAS_INDEX lda)
Definition: cblas_dsyr.c:12
#define TEST_ROW_MJR
Definition: cblas_test.h:12
void get_uplo_type(char *type, CBLAS_UPLO *uplo)
Definition: auxiliary.c:18
#define LDA
Definition: example_user.c:12
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