lapacke_dgttrs.c

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* Contents: Native high-level C interface to LAPACK function dgttrs
* Author: Intel Corporation
* Generated November 2015
*****************************************************************************/

#include "lapacke_utils.h"

lapack_int LAPACKE_dgttrs( int matrix_layout, char trans, lapack_int n,
                           lapack_int nrhs, const double* dl, const double* d,
                           const double* du, const double* du2,
                           const lapack_int* ipiv, double* b, lapack_int ldb )
{
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_dgttrs", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    if( LAPACKE_dge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
        return -10;
    }
    if( LAPACKE_d_nancheck( n, d, 1 ) ) {
        return -6;
    }
    if( LAPACKE_d_nancheck( n-1, dl, 1 ) ) {
        return -5;
    }
    if( LAPACKE_d_nancheck( n-1, du, 1 ) ) {
        return -7;
    }
    if( LAPACKE_d_nancheck( n-2, du2, 1 ) ) {
        return -8;
    }
#endif
    return LAPACKE_dgttrs_work( matrix_layout, trans, n, nrhs, dl, d, du, du2,
                                ipiv, b, ldb );
}