text: //
  // Copyright (c) 2008-2018 the Urho3D project.
  //
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  //
  // The above copyright notice and this permission notice shall be included in
  // all copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  // THE SOFTWARE.
  //
  
  
  
  #include "Random.h"
  
  
  
  namespace tc
  {
  
  static unsigned randomSeed = 1;
  
  void SetRandomSeed(unsigned seed)
  {
      randomSeed = seed;
  }
  
  unsigned GetRandomSeed()
  {
      return randomSeed;
  }
  
  int Rand()
  {
      randomSeed = randomSeed * 214013 + 2531011;
      return (randomSeed >> 16) & 32767;
  }
  
  float RandStandardNormal()
  {
      float val = 0.0f;
      for (int i = 0; i < 12; i++)
          val += Rand() / 32768.0f;
      val -= 6.0f;
  
      // Now val is approximatly standard normal distributed
      return val;
  }
  
  }
  