mirror of
https://github.com/vale981/arb
synced 2025-03-06 01:41:39 -05:00
52 lines
1.6 KiB
C
52 lines
1.6 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 "fmprb.h"
|
|
|
|
int
|
|
fmprb_overlaps(const fmprb_t x, const fmprb_t y)
|
|
{
|
|
fmpr_t r, d;
|
|
int result;
|
|
|
|
if (fmpr_is_inf(fmprb_radref(x)) || fmpr_is_inf(fmprb_radref(y)))
|
|
return 1;
|
|
|
|
fmpr_init(r);
|
|
fmpr_init(d);
|
|
|
|
fmpr_sub(d, fmprb_midref(x), fmprb_midref(y), FMPR_PREC_EXACT, FMPR_RND_UP);
|
|
fmpr_abs(d, d);
|
|
|
|
fmpr_add(r, fmprb_radref(x), fmprb_radref(y), FMPR_PREC_EXACT, FMPR_RND_UP);
|
|
|
|
result = fmpr_cmp(d, r) <= 0;
|
|
|
|
fmpr_clear(r);
|
|
fmpr_clear(d);
|
|
|
|
return result;
|
|
}
|
|
|