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//
// Copyright (c) 2014 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// random_utils:
// Helper functions for random number generation.
//
#ifndef UTIL_RANDOM_UTILS_H
#define UTIL_RANDOM_UTILS_H
// TODO(jmadill): Rework this if Chromium decides to ban <random>
#include <random>
#include <export.h>
namespace angle
{
class ANGLE_EXPORT RNG
{
public:
// Seed from clock
RNG();
// Seed from fixed number.
RNG(unsigned int seed);
~RNG();
void reseed(unsigned int newSeed);
int randomInt();
int randomIntBetween(int min, int max);
unsigned int randomUInt();
float randomFloat();
float randomFloatBetween(float min, float max);
float randomNegativeOneToOne();
private:
std::default_random_engine mGenerator;
};
} // namespace angle
#endif // UTIL_RANDOM_UTILS_H
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