float_cmp.hh File Reference

Various ways to compare floating-point numbers. More...

#include "float_cmp.cc"

Go to the source code of this file.

Classes
struct	Dune::FloatCmp::DefaultEpsilon< T, style >
	mapping from a value type and a compare style to a default epsilon More...
class	Dune::FloatCmpOps< T, cstyle_, rstyle_ >
	Class encapsulating a default epsilon. More...

Namespaces
namespace	Dune
	Dune namespace.
namespace	Dune::FloatCmp

Enumerations
enum	Dune::FloatCmp::CmpStyle { Dune::FloatCmp::relativeWeak , Dune::FloatCmp::relativeStrong , Dune::FloatCmp::absolute , Dune::FloatCmp::defaultCmpStyle = relativeWeak }
enum	Dune::FloatCmp::RoundingStyle {   Dune::FloatCmp::towardZero , Dune::FloatCmp::towardInf , Dune::FloatCmp::downward , Dune::FloatCmp::upward ,   Dune::FloatCmp::defaultRoundingStyle = towardZero }

Functions
template<class T , CmpStyle style>
bool	Dune::FloatCmp::eq (const T &first, const T &second, typename EpsilonType< T >::Type epsilon=DefaultEpsilon< T, style >::value())
	test for equality using epsilon More...
template<class T , CmpStyle style>
bool	Dune::FloatCmp::ne (const T &first, const T &second, typename EpsilonType< T >::Type epsilon=DefaultEpsilon< T, style >::value())
	test for inequality using epsilon More...
template<class T , CmpStyle style>
bool	Dune::FloatCmp::gt (const T &first, const T &second, typename EpsilonType< T >::Type epsilon=DefaultEpsilon< T, style >::value())
	test if first greater than second More...
template<class T , CmpStyle style>
bool	Dune::FloatCmp::lt (const T &first, const T &second, typename EpsilonType< T >::Type epsilon=DefaultEpsilon< T, style >::value())
	test if first lesser than second More...
template<class T , CmpStyle style>
bool	Dune::FloatCmp::ge (const T &first, const T &second, typename EpsilonType< T >::Type epsilon=DefaultEpsilon< T, style >::value())
	test if first greater or equal second More...
template<class T , CmpStyle style>
bool	Dune::FloatCmp::le (const T &first, const T &second, typename EpsilonType< T >::Type epsilon=DefaultEpsilon< T, style >::value())
	test if first lesser or equal second More...
template<class I , class T , CmpStyle cstyle, RoundingStyle rstyle>
I	Dune::FloatCmp::round (const T &val, typename EpsilonType< T >::Type epsilon=DefaultEpsilon< T, cstyle >::value())
	round using epsilon More...
template<class I , class T , CmpStyle cstyle, RoundingStyle rstyle>
I	Dune::FloatCmp::trunc (const T &val, typename EpsilonType< T >::Type epsilon=DefaultEpsilon< T, cstyle >::value())
	truncate using epsilon More...

Detailed Description

Various ways to compare floating-point numbers.