sample.h File Reference

Basic sampling routines. More...

#include "Math/math.h"
#include <Common/assertion.h>
#include <Common/primitive_type.h>
#include <cstddef>
#include <array>
#include <utility>
#include <type_traits>
#include <climits>

Go to the source code of this file.

Namespaces
namespace	ph
	The root for all renderer implementations.
namespace	ph::math
	Math functions and utilities.

Functions
template<typename To , typename From , std::size_t N>
std::array< To, N >	ph::math::sample_cast (const std::array< From, N > &sample)
template<typename T >
bool	ph::math::pick (const T pickProbability, const T sample)
	Randomly pick a branch with some probability.
template<typename T >
bool	ph::math::reused_pick (const T pickProbability, T &sample)
template<typename T , typename BitsType >
T	ph::math::bits_to_sample (const BitsType &bits)
	Converts input bits to a sample. For standard unsigned integral types, this is effectively normalizing the integer value represented by bits into the range [0, 1].

Detailed Description

Basic sampling routines.

A "sample" is expected to be uniformly and randomly distributed in [0, 1].