LAPACK  3.5.0
LAPACK: Linear Algebra PACKage
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lapacke_dlagsy.c File Reference
#include "lapacke_utils.h"
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Functions/Subroutines

lapack_int LAPACKE_dlagsy (int matrix_order, lapack_int n, lapack_int k, const double *d, double *a, lapack_int lda, lapack_int *iseed)

Function/Subroutine Documentation

lapack_int LAPACKE_dlagsy ( int  matrix_order,
lapack_int  n,
lapack_int  k,
const double *  d,
double *  a,
lapack_int  lda,
lapack_int iseed 
)

Definition at line 36 of file lapacke_dlagsy.c.

{
lapack_int info = 0;
double* work = NULL;
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_dlagsy", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_d_nancheck( n, d, 1 ) ) {
return -4;
}
#endif
/* Allocate memory for working array(s) */
work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,2*n) );
if( work == NULL ) {
goto exit_level_0;
}
/* Call middle-level interface */
info = LAPACKE_dlagsy_work( matrix_order, n, k, d, a, lda, iseed, work );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_dlagsy", info );
}
return info;
}

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