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Diffstat (limited to 'Source/ThirdParty/ANGLE/util/random_utils.h')
-rw-r--r-- | Source/ThirdParty/ANGLE/util/random_utils.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/Source/ThirdParty/ANGLE/util/random_utils.h b/Source/ThirdParty/ANGLE/util/random_utils.h new file mode 100644 index 000000000..39f9044ee --- /dev/null +++ b/Source/ThirdParty/ANGLE/util/random_utils.h @@ -0,0 +1,45 @@ +// +// 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 |