lapacke_dgttrs.c File Reference

#include "lapacke_utils.h"

Go to the source code of this file.

Functions
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)

Function Documentation

LAPACKE_dgttrs()

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 )

Definition at line 35 of file lapacke_dgttrs.c.

{
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_dgttrs", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    if( LAPACKE_get_nancheck() ) {
        /* 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 );
}