approx.h File Reference

Provides facilities for working around rounding errors when dealing with real numbers. More...

Namespaces
namespace	regina
Functions
template<class R>
bool	regina::isZero (R x)
	Determines whether the given real number is zero.
template<class R>
bool	regina::isNonZero (R x)
	Determines whether the given real number is non-zero.
template<class R>
bool	regina::isPositive (R x)
	Determines whether the given real number is strictly positive.
template<class R>
bool	regina::isNegative (R x)
	Determines whether the given real number is strictly negative.
template<class R>
bool	regina::isNonNegative (R x)
	Determines whether the given real number is non-negative.
template<class R>
bool	regina::isNonPositive (R x)
	Determines whether the given real number is non-positive.
Variables
const double	regina::epsilon
	A very small positive real designed to accommodate for rounding error.

---

Detailed Description

Provides facilities for working around rounding errors when dealing with real numbers.