asgardius/virtualx-engine
1
0
Fork 0
Code Issues Pull requests Projects Releases 1 Packages Wiki Activity Actions

Merge pull request #25680 from Chaosus/random_fix

Browse source 
Fix random generation, to not always retrieve 0 after seed()
This commit is contained in:
Rémi Verschelde 2019-02-16 23:24:02 +01:00 committed by GitHub
commit f6fcbcfe9e
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
core/math/random_pcg.h
View file

@ -45,7 +45,10 @@ public:
RandomPCG(uint64_t seed = DEFAULT_SEED, uint64_t inc = PCG_DEFAULT_INC_64);
_FORCE_INLINE_ void seed(uint64_t seed) { pcg.state = seed; }
_FORCE_INLINE_ void seed(uint64_t seed) {
pcg.state = seed;
pcg32_random_r(&pcg); // Force changing internal state to avoid initial 0
}
_FORCE_INLINE_ uint64_t get_seed() { return pcg.state; }
void randomize();