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| author | Clément Foucault <foucault.clem@gmail.com> | 2017-09-26 21:54:27 +0300 |
|---|---|---|
| committer | Clément Foucault <foucault.clem@gmail.com> | 2017-09-26 21:54:27 +0300 |
| commit | 47e6d53c8a062dfb24ded58dffa88f276468cb3e (patch) | |
| tree | 379fd539df8e86c5ac12510fb7edddc4518d37f9 /source/blender/blenlib/BLI_rand.h | |
| parent | 5c45fe293712311a0bd33fe1aa9f4beca7a85fca (diff) | |
BLI_rand : Add new low-discrepency sequences generator
Diffstat (limited to 'source/blender/blenlib/BLI_rand.h')
| -rw-r--r-- | source/blender/blenlib/BLI_rand.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/source/blender/blenlib/BLI_rand.h b/source/blender/blenlib/BLI_rand.h index f36d2faa1b8..0ef971bf41f 100644 --- a/source/blender/blenlib/BLI_rand.h +++ b/source/blender/blenlib/BLI_rand.h @@ -101,4 +101,15 @@ RNG_THREAD_ARRAY *BLI_rng_threaded_new(void); void BLI_rng_threaded_free(struct RNG_THREAD_ARRAY *rngarr) ATTR_NONNULL(1); int BLI_rng_thread_rand(RNG_THREAD_ARRAY *rngarr, int thread) ATTR_WARN_UNUSED_RESULT; +/** Low-discrepancy sequences **/ + +/** Return the _n_th number of the given low-discrepancy sequence. */ +void BLI_halton_1D(unsigned int prime, double offset, int n, double *r); +void BLI_halton_2D(unsigned int prime[2], double offset[2], int n, double *r); +void BLI_hammersley_1D(unsigned int n, double *r); + +/** Return the whole low-discrepancy sequence up to _n_. */ +void BLI_halton_2D_sequence(unsigned int prime[2], double offset[2], int n, double *r); +void BLI_hammersley_2D_sequence(unsigned int n, double *r); + #endif /* __BLI_RAND_H__ */ |