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. |