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#!/usr/bin/env python3
# encoding: utf-8
"""
_RichardsonFixedStep.py
Created by Graham Dennis on 2013-11-21.
Copyright (c) 2013, Graham Dennis
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
"""
from xpdeint.Segments.Integrators.FixedStep import FixedStep
class _RichardsonFixedStep(FixedStep):
extrapolations = 4
def preflight(self):
super(_RichardsonFixedStep, self).preflight()
self.extraIntegrationArrayNames.extend(['rerow_T%i_%i' % (i, j) for j in range(self.extrapolations) for i in range(2)])
self.extraIntegrationArrayNames.append('re_reset')
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