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90c253a616
BUG=526217 BUG=angleproject:1164 Change-Id: Ia353a3b2fa0ab0e8b7fd15d72bb63e5ecb7833b1 Reviewed-on: https://chromium-review.googlesource.com/301469 Reviewed-by: Geoff Lang <geofflang@chromium.org> Tryjob-Request: Jamie Madill <jmadill@chromium.org> Tested-by: Jamie Madill <jmadill@chromium.org>
38 lines
701 B
C++
38 lines
701 B
C++
//
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// Copyright (c) 2014 The ANGLE Project Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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//
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// random_utils:
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// Helper functions for random number generation.
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//
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#include "random_utils.h"
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#include <time.h>
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#include <cstdlib>
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namespace angle
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{
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void RandomInitFromTime()
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{
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srand(static_cast<unsigned int>(time(NULL)));
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}
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float RandomFloat()
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{
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return static_cast<float>(rand()) / static_cast<float>(RAND_MAX);
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}
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float RandomBetween(float min, float max)
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{
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return min + RandomFloat() * (max - min);
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}
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float RandomNegativeOneToOne()
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{
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return RandomBetween(0.0f, 1.0f);
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}
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} // namespace angle
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