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| author | Rémi Verschelde <rverschelde@gmail.com> | 2020-10-30 15:00:44 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-10-30 15:00:44 +0100 |
| commit | f98db723b91feb5ffc54460813be2c712e0b8ff8 (patch) | |
| tree | 0f35f28b6a3f7cd2578cd8af320122a952030fe5 /core/math/random_pcg.h | |
| parent | b1ed10da1b5452486cd745964672f8017404eaeb (diff) | |
| parent | 31faa1f22626b8745ed4a1541497832b6f595df2 (diff) | |
Merge pull request #43184 from Chaosus/fix_randi_range_biased
Fix biased output of randi_range
Diffstat (limited to 'core/math/random_pcg.h')
| -rw-r--r-- | core/math/random_pcg.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/core/math/random_pcg.h b/core/math/random_pcg.h index 09b13ab74d..dfdae53eed 100644 --- a/core/math/random_pcg.h +++ b/core/math/random_pcg.h @@ -81,6 +81,10 @@ public: current_seed = pcg.state; return pcg32_random_r(&pcg); } + _FORCE_INLINE_ uint32_t rand(uint32_t bounds) { + current_seed = pcg.state; + return pcg32_boundedrand_r(&pcg, bounds); + } // Obtaining floating point numbers in [0, 1] range with "good enough" uniformity. // These functions sample the output of rand() as the fraction part of an infinite binary number, |