OLD | NEW |
1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef MEDIA_BLINK_TEST_RANDOM_H_ | 5 #ifndef MEDIA_BLINK_TEST_RANDOM_H_ |
6 #define MEDIA_BLINK_TEST_RANDOM_H_ | 6 #define MEDIA_BLINK_TEST_RANDOM_H_ |
7 | 7 |
| 8 #include <stdint.h> |
| 9 |
8 // Vastly simplified ACM random class meant to only be used for testing. | 10 // Vastly simplified ACM random class meant to only be used for testing. |
9 // This class is meant to generate predictable sequences of pseudorandom | 11 // This class is meant to generate predictable sequences of pseudorandom |
10 // numbers, unlike the classes in base/rand_util.h which are meant to generate | 12 // numbers, unlike the classes in base/rand_util.h which are meant to generate |
11 // unpredictable sequences. | 13 // unpredictable sequences. |
12 // See | 14 // See |
13 // https://code.google.com/p/szl/source/browse/trunk/src/utilities/acmrandom.h | 15 // https://code.google.com/p/szl/source/browse/trunk/src/utilities/acmrandom.h |
14 // for more information. | 16 // for more information. |
15 | 17 |
16 namespace media { | 18 namespace media { |
17 | 19 |
(...skipping 14 matching lines...) Expand all Loading... |
32 } | 34 } |
33 | 35 |
34 private: | 36 private: |
35 static const uint64_t M = 2147483647L; // 2^32-1 | 37 static const uint64_t M = 2147483647L; // 2^32-1 |
36 int32_t seed_; | 38 int32_t seed_; |
37 }; | 39 }; |
38 | 40 |
39 } // namespace media | 41 } // namespace media |
40 | 42 |
41 #endif // MEDIA_BLINK_TEST_RANDOM_H_ | 43 #endif // MEDIA_BLINK_TEST_RANDOM_H_ |
OLD | NEW |