| /* |
| * Copyright © 2016 Intel Corporation |
| * |
| * 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 (including the next |
| * paragraph) 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. |
| */ |
| |
| #ifndef IGT_RAND_H |
| #define IGT_RAND_H |
| |
| #include <stdint.h> |
| |
| uint32_t hars_petruska_f54_1_random(uint32_t *state); |
| |
| uint32_t hars_petruska_f54_1_random_seed(uint32_t seed); |
| uint32_t hars_petruska_f54_1_random_unsafe(void); |
| |
| static inline void hars_petruska_f54_1_random_perturb(uint32_t xor) |
| { |
| uint32_t seed = hars_petruska_f54_1_random_seed(0) ^ xor; |
| hars_petruska_f54_1_random_seed(seed); |
| hars_petruska_f54_1_random_seed(hars_petruska_f54_1_random_unsafe()); |
| } |
| |
| #endif /* IGT_RAND_H */ |