| 84 | |
| 85 | |
| 86 | void rand_setSeedsToDefault() { |
| 87 | |
| 88 | // seeds will attempt to use device's CSPRNG |
| 89 | std::random_device device; |
| 90 | |
| 91 | // use CSPRNG to generate well-spread seeds |
| 92 | vector<unsigned> seeds(DEFAULT_NUM_RNG_SEEDS); |
| 93 | |
| 94 | // root node produces seeds (non-root seeds would be ignored) |
| 95 | if (comm_getRank() == 0) |
| 96 | for (auto &seed : seeds) |
| 97 | seed = device(); |
| 98 | |
| 99 | rand_setSeeds(seeds); |
| 100 | } |
| 101 | |
| 102 | |
| 103 | int rand_getNumSeeds() { |
no test coverage detected