c64503fb33
* src/misc/random.cc, src/misc/random.hh (srand, drand, mrand, rrand, barand): Simplify using <random> from C++11. (nrand, bmrand, prand): Remove these unused functions. * src/tgbaalgos/randomgraph.cc: Adjust the use of barand. * configure.ac: Do not check for srand48 and drand48.
63 lines
1.5 KiB
C++
63 lines
1.5 KiB
C++
// -*- coding: utf-8 -*-
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// Copyright (C) 2011, 2012, 2013 Laboratoire de Recherche et Développement
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// de l'Epita (LRDE).
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// Copyright (C) 2004 Laboratoire d'Informatique de Paris 6 (LIP6),
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// département Systèmes Répartis Coopératifs (SRC), Université Pierre
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// et Marie Curie.
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//
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// This file is part of Spot, a model checking library.
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//
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// Spot is free software; you can redistribute it and/or modify it
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// under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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//
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// Spot is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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// License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "config.h"
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#include "random.hh"
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namespace spot
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{
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std::mt19937 gen;
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void
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srand(unsigned int seed)
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{
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gen.seed(seed);
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}
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double
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drand()
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{
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return
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std::generate_canonical<double,
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std::numeric_limits<double>::digits>(gen);
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}
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int
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mrand(int max)
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{
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std::uniform_int_distribution<> dis(0, max - 1);
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return dis(gen);
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}
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int
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rrand(int min, int max)
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{
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std::uniform_int_distribution<> dis(min, max);
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return dis(gen);
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}
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int
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barand::rand()
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{
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return (*this)(gen);
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}
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}
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