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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
_TEMPLATE(T, poly_derivative) (TEMPLATE(T, struct) * rop,
const TEMPLATE(T, struct) * op, slong len,
const TEMPLATE(T, ctx_t) ctx)
{
slong i;
for (i = 1; i < len; i++)
TEMPLATE(T, mul_ui) (rop + (i - 1), op + i, i, ctx);
}
void
TEMPLATE(T, poly_derivative) (TEMPLATE(T, poly_t) rop,
const TEMPLATE(T, poly_t) op,
const TEMPLATE(T, ctx_t) ctx)
{
const slong len = op->length;
if (len < 2)
{
TEMPLATE(T, poly_zero) (rop, ctx);
}
else
{
TEMPLATE(T, poly_fit_length) (rop, len - 1, ctx);
_TEMPLATE(T, poly_derivative) (rop->coeffs, op->coeffs, len, ctx);
_TEMPLATE(T, poly_set_length) (rop, len - 1, ctx);
_TEMPLATE(T, poly_normalise) (rop, ctx);
}
}
#endif