lapack_int LAPACKE_dtrevc	(	int	matrix_layout,
		char	side,
		char	howmny,
		lapack_logical *	select,
		lapack_int	n,
		const double *	t,
		lapack_int	ldt,
		double *	vl,
		lapack_int	ldvl,
		double *	vr,
		lapack_int	ldvr,
		lapack_int	mm,
		lapack_int *	m
	)

Definition at line 36 of file lapacke_dtrevc.c.

{
    lapack_int info = 0;
    double* work = NULL;
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_dtrevc", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    if( LAPACKE_dge_nancheck( matrix_layout, n, n, t, ldt ) ) {
        return -6;
    }
    if( LAPACKE_lsame( side, 'b' ) || LAPACKE_lsame( side, 'l' ) ) {
        if( LAPACKE_dge_nancheck( matrix_layout, n, mm, vl, ldvl ) ) {
            return -8;
        }
    }
    if( LAPACKE_lsame( side, 'b' ) || LAPACKE_lsame( side, 'r' ) ) {
        if( LAPACKE_dge_nancheck( matrix_layout, n, mm, vr, ldvr ) ) {
            return -10;
        }
    }
#endif
    /* Allocate memory for working array(s) */
    work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,3*n) );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    /* Call middle-level interface */
    info = LAPACKE_dtrevc_work( matrix_layout, side, howmny, select, n, t, ldt,
                                vl, ldvl, vr, ldvr, mm, m, work );
    /* Release memory and exit */
    LAPACKE_free( work );
exit_level_0:
    if( info == LAPACK_WORK_MEMORY_ERROR ) {
        LAPACKE_xerbla( "LAPACKE_dtrevc", info );
    }
    return info;
}

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