floating_point_epsilon.h

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/** @file floating_point_epsilon.h */
 
#ifndef FLOATING_POINT_EPSILON_H_
#define FLOATING_POINT_EPSILON_H_
 
template <typename T>
struct fp {
    static constexpr T epsilon=0;
};
 
template <>
struct fp<long double> {
    static constexpr long double epsilon=1.0842e-19;
};
 
template <>
struct fp<double> {
    static constexpr double epsilon=2.22045e-16;
};
 
template <>
struct fp<float> {
    static constexpr float epsilon=1.19209e-07f;
};
 
#endif