72 lines
2.4 KiB
C
72 lines
2.4 KiB
C
/*=============================================================================
|
|
|
|
This file is part of FLINT.
|
|
|
|
FLINT 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.
|
|
|
|
FLINT 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 FLINT; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
=============================================================================*/
|
|
/******************************************************************************
|
|
|
|
Copyright (C) 2010 William Hart
|
|
Copyright (C) 2011 Fredrik Johansson
|
|
Copyright (C) 2013 Mike Hansen
|
|
|
|
******************************************************************************/
|
|
|
|
|
|
#ifdef T
|
|
|
|
#include "templates.h"
|
|
|
|
void
|
|
TEMPLATE(T, poly_inflate) (TEMPLATE(T, poly_t) result,
|
|
const TEMPLATE(T, poly_t) input, ulong inflation,
|
|
const TEMPLATE(T, ctx_t) ctx)
|
|
{
|
|
if (input->length <= 1 || inflation == 1)
|
|
{
|
|
TEMPLATE(T, poly_set) (result, input, ctx);
|
|
}
|
|
else if (inflation == 0)
|
|
{
|
|
TEMPLATE(T, t) v;
|
|
TEMPLATE(T, init) (v, ctx);
|
|
TEMPLATE(T, one) (v, ctx);
|
|
TEMPLATE(T, TEMPLATE(poly_evaluate, T)) (v, input, v, ctx);
|
|
TEMPLATE(T, poly_zero) (result, ctx);
|
|
TEMPLATE(T, poly_set_coeff) (result, 0, v, ctx);
|
|
TEMPLATE(T, clear) (v, ctx);
|
|
}
|
|
else
|
|
{
|
|
slong i, j, res_length = (input->length - 1) * inflation + 1;
|
|
|
|
TEMPLATE(T, poly_fit_length) (result, res_length, ctx);
|
|
|
|
for (i = input->length - 1; i > 0; i--)
|
|
{
|
|
TEMPLATE(T, set) (result->coeffs + (i * inflation),
|
|
input->coeffs + i, ctx);
|
|
for (j = i * inflation - 1; j > (i - 1) * inflation; j--)
|
|
TEMPLATE(T, zero) (result->coeffs + j, ctx);
|
|
}
|
|
TEMPLATE(T, set) (result->coeffs, input->coeffs, ctx);
|
|
result->length = res_length;
|
|
}
|
|
}
|
|
|
|
|
|
#endif
|