arb/acb_dirichlet/group_dlog_precompute.c
2016-10-08 22:46:00 +02:00

42 lines
1.5 KiB
C

/*=============================================================================
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"
void
acb_dirichlet_group_dlog_precompute(acb_dirichlet_group_t G, ulong num)
{
slong k;
G->dlog = flint_malloc(G->num * sizeof(dlog_precomp_t));
for (k = 0; k < G->num; k++)
{
ulong p, e, pe, a;
p = G->primes[k];
e = G->exponents[k];
pe = G->primepowers[k];
a = G->generators[k] % pe;
dlog_precomp_modpe_init(G->dlog[k], a, p, e, pe, num);
}
}