lapacke_dlarfg.c

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* Contents: Native high-level C interface to LAPACK function dlarfg
* Author: Intel Corporation
* Generated November, 2011
*****************************************************************************/

#include "lapacke_utils.h"

lapack_int LAPACKE_dlarfg( lapack_int n, double* alpha, double* x,
                           lapack_int incx, double* tau )
{
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    if( LAPACKE_d_nancheck( 1, alpha, 1 ) ) {
        return -2;
    }
    if( LAPACKE_d_nancheck( 1+(n-2)*ABS(incx), x, incx ) ) {
        return -3;
    }
#endif
    return LAPACKE_dlarfg_work( n, alpha, x, incx, tau );
}