LAPACKE_ztgexc()

lapack_int LAPACKE_ztgexc	(	int	matrix_layout,
		lapack_logical	wantq,
		lapack_logical	wantz,
		lapack_int	n,
		lapack_complex_double *	a,
		lapack_int	lda,
		lapack_complex_double *	b,
		lapack_int	ldb,
		lapack_complex_double *	q,
		lapack_int	ldq,
		lapack_complex_double *	z,
		lapack_int	ldz,
		lapack_int	ifst,
		lapack_int	ilst
	)

Definition at line 35 of file lapacke_ztgexc.c.

{
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_ztgexc", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    if( LAPACKE_get_nancheck() ) {
        /* Optionally check input matrices for NaNs */
        if( LAPACKE_zge_nancheck( matrix_layout, n, n, a, lda ) ) {
            return -5;
        }
        if( LAPACKE_zge_nancheck( matrix_layout, n, n, b, ldb ) ) {
            return -7;
        }
        if( wantq ) {
            if( LAPACKE_zge_nancheck( matrix_layout, n, n, q, ldq ) ) {
                return -9;
            }
        }
        if( wantz ) {
            if( LAPACKE_zge_nancheck( matrix_layout, n, n, z, ldz ) ) {
                return -11;
            }
        }
    }
#endif
    return LAPACKE_ztgexc_work( matrix_layout, wantq, wantz, n, a, lda, b, ldb,
                                q, ldq, z, ldz, ifst, ilst );

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