/*=============================================================================

    This file is part of ARB.

    ARB is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    ARB is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with ARB; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

=============================================================================*/
/******************************************************************************

    Copyright (C) 2016 Pascal Molin

******************************************************************************/

#include "acb_dirichlet.h"

/* char n has exponents  = log[k]*PHI[k] / gcd and order expo / gcd 
 * so that log = expo[k] */
void
acb_dirichlet_char_conrey(acb_dirichlet_char_t chi, const acb_dirichlet_group_t G, const acb_dirichlet_conrey_t x)
{
    /* assume chi->x already set if x == NULL */
    if (x == NULL)
        x = chi->x;
    else
        acb_dirichlet_conrey_copy(chi->x, G, x);

    chi->q = G->q;
    chi->parity = acb_dirichlet_conrey_parity(G, x);
    chi->conductor = acb_dirichlet_conrey_conductor(G, x);

    acb_dirichlet_char_set_expo(chi, G);
    /* optional: divide by gcd to obtain true order */
    acb_dirichlet_char_normalize(chi, G);
}