mirror of
https://github.com/vale981/arb
synced 2025-03-05 09:21:38 -05:00
71 lines
2 KiB
C
71 lines
2 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 "fmpr.h"
|
|
|
|
long
|
|
fmpr_submul(fmpr_t z, const fmpr_t x, const fmpr_t y, slong prec, fmpr_rnd_t rnd)
|
|
{
|
|
fmpr_t t;
|
|
slong r;
|
|
fmpr_init(t);
|
|
fmpr_mul(t, x, y, FMPR_PREC_EXACT, FMPR_RND_DOWN);
|
|
r = fmpr_sub(z, z, t, prec, rnd);
|
|
fmpr_clear(t);
|
|
return r;
|
|
}
|
|
|
|
long
|
|
fmpr_submul_ui(fmpr_t z, const fmpr_t x, ulong y, slong prec, fmpr_rnd_t rnd)
|
|
{
|
|
fmpr_t t; slong r;
|
|
fmpr_init(t);
|
|
fmpr_set_ui(t, y);
|
|
r = fmpr_submul(z, x, t, prec, rnd);
|
|
fmpr_clear(t);
|
|
return r;
|
|
}
|
|
|
|
long
|
|
fmpr_submul_si(fmpr_t z, const fmpr_t x, slong y, slong prec, fmpr_rnd_t rnd)
|
|
{
|
|
fmpr_t t; slong r;
|
|
fmpr_init(t);
|
|
fmpr_set_si(t, y);
|
|
r = fmpr_submul(z, x, t, prec, rnd);
|
|
fmpr_clear(t);
|
|
return r;
|
|
}
|
|
|
|
long
|
|
fmpr_submul_fmpz(fmpr_t z, const fmpr_t x, const fmpz_t y, slong prec, fmpr_rnd_t rnd)
|
|
{
|
|
fmpr_t t; slong r;
|
|
fmpr_init(t);
|
|
fmpr_set_fmpz(t, y);
|
|
r = fmpr_submul(z, x, t, prec, rnd);
|
|
fmpr_clear(t);
|
|
return r;
|
|
}
|