hmap::PdfSampler Class Reference

Samples indices from a discrete probability distribution. More...

#include <random.hpp>

Public Member Functions
	PdfSampler (const std::vector< float > &pdf, uint32_t seed)
	Builds the sampler from a PDF and seed.
float	sample ()
	Samples a float value in [0, 1[.
std::vector< float >	sample (size_t nb_samples)
	Samples multiple float values.

Detailed Description

Samples indices from a discrete probability distribution.

Constructor & Destructor Documentation

PdfSampler()

hmap::PdfSampler::PdfSampler	(	const std::vector< float > &	pdf,
		uint32_t	seed
	)

Builds the sampler from a PDF and seed.

Parameters

pdf	Probability weights.
seed	Random generator seed.

Member Function Documentation

sample() [1/2]

float hmap::PdfSampler::sample

(

)

Samples a float value in [0, 1[.

Returns

Sampled float.

sample() [2/2]

std::vector< float > hmap::PdfSampler::sample

(

size_t

nb_samples

)

Samples multiple float values.

Parameters

nb_samples

Number of samples.

Returns

Vector of sampled values.

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The documentation for this class was generated from the following files:

• HighMap/include/highmap/random.hpp
• HighMap/src/random/pdf_sampler.cpp