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/*
Copyright (C) 2012 Sebastian Pancratz
Copyright (C) 2013 Mike Hansen
This file is part of FLINT.
FLINT is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version. See <https://www.gnu.org/licenses/>.
*/
#ifdef T
#include "templates.h"
void
_TEMPLATE3(T, poly_evaluate, T) (TEMPLATE(T, t) rop,
const TEMPLATE(T, struct) * op, slong len,
const TEMPLATE(T, t) a,
const TEMPLATE(T, ctx_t) ctx)
{
if (len == 0)
{
TEMPLATE(T, zero) (rop, ctx);
}
else if (len == 1 || TEMPLATE(T, is_zero) (a, ctx))
{
TEMPLATE(T, set) (rop, op + 0, ctx);
}
else
{
slong i = len - 1;
TEMPLATE(T, t) t;
TEMPLATE(T, init) (t, ctx);
TEMPLATE(T, set) (rop, op + i, ctx);
for (i = len - 2; i >= 0; i--)
{
TEMPLATE(T, mul) (t, rop, a, ctx);
TEMPLATE(T, add) (rop, op + i, t, ctx);
}
TEMPLATE(T, clear) (t, ctx);
}
}
void
TEMPLATE3(T, poly_evaluate, T) (TEMPLATE(T, t) rop,
const TEMPLATE(T, poly_t) f,
const TEMPLATE(T, t) a,
const TEMPLATE(T, ctx_t) ctx)
{
if (rop == a)
{
TEMPLATE(T, t) t;
TEMPLATE(T, init) (t, ctx);
_TEMPLATE3(T, poly_evaluate, T) (t, f->coeffs, f->length, a, ctx);
TEMPLATE(T, swap) (rop, t, ctx);
TEMPLATE(T, clear) (t, ctx);
}
else
{
_TEMPLATE3(T, poly_evaluate, T) (rop, f->coeffs, f->length, a, ctx);
}
}
#endif