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/*
* NumericTools.hpp
*
* Created on: 15.02.2013
* Author: Christian Staudt (christian.staudt@kit.edu)
*/
#ifndef NETWORKIT_AUXILIARY_NUMERIC_TOOLS_HPP_
#define NETWORKIT_AUXILIARY_NUMERIC_TOOLS_HPP_
#include <limits>
namespace Aux {
namespace NumericTools {
static constexpr double machineEpsilon = std::numeric_limits<double>::epsilon();
static constexpr double acceptableError = 1e-12;
template <typename T>
bool willOverflow(const T &pX, const T &pValue, const T &pMax = std::numeric_limits<T>::max()) {
return pMax - pValue < pX;
}
template <typename T>
bool willUnderflow(const T &pX, const T &pValue, const T &pMin = std::numeric_limits<T>::min()) {
return pMin + pValue > pX;
}
bool equal(double x, double y, double error = acceptableError);
bool le(double x, double y, double error = acceptableError);
bool ge(double x, double y, double error = acceptableError);
bool logically_equal(double a, double b, double error_factor = 1.0);
} /* namespace NumericTools */
} // namespace Aux
#endif // NETWORKIT_AUXILIARY_NUMERIC_TOOLS_HPP_