LAPACKE_dgghrd()

lapack_int LAPACKE_dgghrd	(	int	matrix_layout,
		char	compq,
		char	compz,
		lapack_int	n,
		lapack_int	ilo,
		lapack_int	ihi,
		double *	a,
		lapack_int	lda,
		double *	b,
		lapack_int	ldb,
		double *	q,
		lapack_int	ldq,
		double *	z,
		lapack_int	ldz
	)

Definition at line 35 of file lapacke_dgghrd.c.

{
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_dgghrd", -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, n, a, lda ) ) {
            return -7;
        }
        if( LAPACKE_dge_nancheck( matrix_layout, n, n, b, ldb ) ) {
            return -9;
        }
        if( LAPACKE_lsame( compq, 'i' ) || LAPACKE_lsame( compq, 'v' ) ) {
            if( LAPACKE_dge_nancheck( matrix_layout, n, n, q, ldq ) ) {
                return -11;
            }
        }
        if( LAPACKE_lsame( compz, 'i' ) || LAPACKE_lsame( compz, 'v' ) ) {
            if( LAPACKE_dge_nancheck( matrix_layout, n, n, z, ldz ) ) {
                return -13;
            }
        }
    }
#endif
    return LAPACKE_dgghrd_work( matrix_layout, compq, compz, n, ilo, ihi, a, lda,
                                b, ldb, q, ldq, z, ldz );

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