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Differential D4455 Diff 14275 source/blender/blenlib/BLI_rand.h

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source/blender/blenlib/BLI_rand.h

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/** Allows up to BLENDER_MAX_THREADS threads to address */ /** Allows up to BLENDER_MAX_THREADS threads to address */
float BLI_thread_frand(int thread) ATTR_WARN_UNUSED_RESULT; float BLI_thread_frand(int thread) ATTR_WARN_UNUSED_RESULT;
/** array versions for thread safe random generation */ /** array versions for thread safe random generation */
RNG_THREAD_ARRAY *BLI_rng_threaded_new(void); RNG_THREAD_ARRAY *BLI_rng_threaded_new(void);
void BLI_rng_threaded_free(struct RNG_THREAD_ARRAY *rngarr) ATTR_NONNULL(1); 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; int BLI_rng_thread_rand(RNG_THREAD_ARRAY *rngarr, int thread) ATTR_WARN_UNUSED_RESULT;
/** Low-discrepancy sequences **/ /* Low-discrepancy sequences. */
/** Return the _n_th number of the given low-discrepancy sequence. */ /** 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_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_halton_2D(unsigned int prime[2], double offset[2], int n, double *r);
void BLI_halton_3D(unsigned int prime[3], double offset[3], int n, double *r); void BLI_halton_3D(unsigned int prime[3], double offset[3], int n, double *r);
void BLI_hammersley_1D(unsigned int n, double *r); void BLI_hammersley_1D(unsigned int n, double *r);
/** Return the whole low-discrepancy sequence up to _n_. */ /** 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_halton_2D_sequence(unsigned int prime[2], double offset[2], int n, double *r);
void BLI_hammersley_2D_sequence(unsigned int n, double *r); void BLI_hammersley_2D_sequence(unsigned int n, double *r);
#endif /* __BLI_RAND_H__ */ #endif /* __BLI_RAND_H__ */