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  1. /*
  2.     Texel - A UCI chess engine.
  3.     Copyright (C) 2012-2013  Peter Österlund, peterosterlund2@gmail.com
  4.  
  5.     This program is free software: you can redistribute it and/or modify
  6.     it under the terms of the GNU General Public License as published by
  7.     the Free Software Foundation, either version 3 of the License, or
  8.     (at your option) any later version.
  9.  
  10.     This program is distributed in the hope that it will be useful,
  11.     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12.     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13.     GNU General Public License for more details.
  14.  
  15.     You should have received a copy of the GNU General Public License
  16.     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17. */
  18.  
  19. /*
  20.  * random.cpp
  21.  *
  22.  *  Created on: Mar 3, 2012
  23.  *      Author: petero
  24.  */
  25.  
  26. #include "random.hpp"
  27. #include "timeUtil.hpp"
  28.  
  29. Random::Random()
  30.     : gen(currentTimeMillis()) {
  31. }
  32.  
  33. Random::Random(U64 seed)
  34.     : gen(seed) {
  35. }
  36.  
  37. void
  38. Random::setSeed(U64 seed) {
  39.     gen.seed(seed);
  40. }
  41.  
  42. int
  43. Random::nextInt(int modulo) {
  44.     std::uniform_int_distribution<int> dist(0, modulo-1);
  45.     return dist(gen);
  46. }
  47.  
  48. U64
  49. Random::nextU64() {
  50.     return gen();
  51. }
  52.