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* Contents: Native high-level C interface to LAPACK function dgttrf
* Author: Intel Corporation
*****************************************************************************/

#include "lapacke_utils.h"

lapack_int LAPACKE_dgttrf( lapack_int n, double* dl, double* d, double* du,
                           double* du2, lapack_int* ipiv )
{
#ifndef LAPACK_DISABLE_NAN_CHECK
    if( LAPACKE_get_nancheck() ) {
        /* Optionally check input matrices for NaNs */
        if( LAPACKE_d_nancheck( n, d, 1 ) ) {
            return -3;
        }
        if( LAPACKE_d_nancheck( n-1, dl, 1 ) ) {
            return -2;
        }
        if( LAPACKE_d_nancheck( n-1, du, 1 ) ) {
            return -4;
        }
    }
#endif
    return LAPACKE_dgttrf_work( n, dl, d, du, du2, ipiv );
}
