arb/arb_poly/contains.c
2015-11-05 17:59:29 +00:00

47 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) 2012 Fredrik Johansson
******************************************************************************/
#include "arb_poly.h"
int
arb_poly_contains(const arb_poly_t poly1, const arb_poly_t poly2)
{
slong i;
if (poly2->length > poly1->length)
return 0;
for (i = 0; i < poly2->length; i++)
{
if (!arb_contains(poly1->coeffs + i, poly2->coeffs + i))
return 0;
}
for (i = poly2->length; i < poly1->length; i++)
if (!arb_contains_zero(poly1->coeffs + i))
return 0;
return 1;
}