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/*
Copyright (C) 2004,2007 Benjamin Redelings
This file is part of BAli-Phy.
BAli-Phy 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, or (at your option) any later
version.
BAli-Phy 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 BAli-Phy; see the file COPYING. If not see
<http://www.gnu.org/licenses/>. */
#include <vector>
#include "util/assert.hh"
#include "rng.H"
template <typename T>
void random_shuffle(std::vector<T>& v)
{
for(int i=1;i<v.size();i++)
{
int l = myrandom(i+1);
if (l<i)
std::swap(v[l],v[i]);
}
}
template <typename T>
std::vector<T> randomize(std::vector<T> v)
{
random_shuffle(v);
return v;
}
template <typename T>
std::vector<T> sort_and_randomize(std::vector<T> v)
{
std::sort(v.begin(), v.end());
random_shuffle(v);
return v;
}
std::vector<int> random_permutation(int size);
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