arb/acb_dirichlet/conrey_primitive.c
2016-10-08 22:46:01 +02:00

61 lines
1.8 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_conrey_primitive(acb_dirichlet_conrey_t y, const acb_dirichlet_group_t G, const acb_dirichlet_conrey_t x, ulong cond)
{
int k, l, f;
l = 0;
if (cond % 4 == 0)
{
y->log[l++] = x->log[0];
if (cond % 8 == 0)
{
ulong l2 = x->log[1];
f = n_remove(&l2, 2);
y->log[l++] = l2;
}
}
for (k = G->neven; k < G->num; k++)
{
if (x->log[k])
{
ulong p, lp;
p = G->P[k].p;
if (cond % p == 0)
{
lp = x->log[k];
f = n_remove(&lp, p);
y->log[l++] = lp;
}
}
}
}