util-quant.hpp File Reference

Utilities for quantisation (grid alignment) and comparisons. More...

Go to the source code of this file.

Description

Utilities for quantisation (grid alignment) and comparisons.

Definition in file util-quant.hpp.

#include <cstdlib>
#include <climits>
#include <cfloat>
#include <cmath>

Namespaces
namespace	util

Classes
struct	IDiv< I >
	helper to treat int or long division uniformly More...
struct	IDiv< int >
struct	IDiv< long >
struct	IDiv< llong >

Functions
template<typename N >
constexpr bool	isPow2 (N n)
template<typename I >
IDiv< I >	iDiv (I num, I den)
template<typename I >
I	floordiv (I num, I den)
	floor function for integer arithmetics.
template<typename I >
IDiv< I >	floorwrap (I num, I den)
	scale wrapping operation.
bool	almostEqual (double d1, double d2, unsigned int ulp=2)
	epsilon comparison of doubles.
template<typename I >
constexpr int	ilog2 (I num)
	Integral binary logarithm (disregarding fractional part)