mirror of
https://github.com/vale981/arb
synced 2025-03-06 09:51:39 -05:00
53 lines
1.6 KiB
C
53 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 "fmpz_holonomic.h"
|
|
|
|
void
|
|
fmpz_holonomic_seq_normalise_trailing(fmpz_holonomic_t op)
|
|
{
|
|
long i, j;
|
|
|
|
i = 0;
|
|
while (i < op->length && fmpz_poly_is_zero(op->coeffs + i))
|
|
i++;
|
|
|
|
if (i > 0)
|
|
{
|
|
fmpz_t t;
|
|
|
|
for (j = 0; j < op->length - i; j++)
|
|
fmpz_poly_swap(op->coeffs + j, op->coeffs + j + i);
|
|
|
|
op->length -= i;
|
|
|
|
fmpz_init(t);
|
|
fmpz_set_si(t, -i);
|
|
for (j = 0; j < op->length; j++)
|
|
fmpz_poly_taylor_shift(op->coeffs + j, op->coeffs + j, t);
|
|
fmpz_clear(t);
|
|
}
|
|
}
|
|
|