Numeric Constants¶

namespace numeric¶

Functions

template<typename T> constexpr T nan()¶

template<typename T> constexpr T inf()¶

template<typename T> constexpr T neg_inf()¶

template<typename T> constexpr T epsilon()¶

template<typename T> constexpr T pi()¶

template<typename T> constexpr T e()¶

template<typename T> constexpr T euler_gamma()¶

template<typename T> inline bool is_nan(T value)¶

template<typename T> inline bool is_inf(T value)¶

template<typename T> inline bool is_pos_inf(T value)¶

template<typename T> inline bool is_neg_inf(T value)¶

template<typename T> inline bool is_finite(T value)¶

template<typename T> inline bool is_normal(T value)¶

inline NumericFormat &default_format()¶

template<typename T> std::string to_string(T value, const NumericFormat &fmt = default_format())¶

template<typename T> T safe_div(T a, T b)¶

template<typename T> T safe_log(T value)¶

template<typename T> T safe_sqrt(T value)¶

template<typename T> bool approx_equal(T a, T b, T rel_tol = epsilon<T>() * T(100), T abs_tol = epsilon<T>())¶

Variables

constexpr float nan_f = std::numeric_limits<float>::quiet_NaN()¶

constexpr double nan_d = std::numeric_limits<double>::quiet_NaN()¶

constexpr float inf_f = std::numeric_limits<float>::infinity()¶

constexpr double inf_d = std::numeric_limits<double>::infinity()¶

constexpr float neg_inf_f = -std::numeric_limits<float>::infinity()¶

constexpr double neg_inf_d = -std::numeric_limits<double>::infinity()¶

constexpr float epsilon_f = std::numeric_limits<float>::epsilon()¶

constexpr double epsilon_d = std::numeric_limits<double>::epsilon()¶

constexpr float pi_f = 3.14159265358979323846264338327950288f¶

constexpr double pi_d = 3.14159265358979323846264338327950288¶

constexpr float e_f = 2.71828182845904523536028747135266250f¶

constexpr double e_d = 2.71828182845904523536028747135266250¶

constexpr float euler_gamma_f = 0.57721566490153286060651209008240243f¶

constexpr double euler_gamma_d = 0.57721566490153286060651209008240243¶

struct NumericFormat¶

#include <numeric.hpp>

Public Members

const char *nan_str = "nan"¶

const char *pos_inf_str = "inf"¶

const char *neg_inf_str = "-inf"¶

int precision = 4¶

bool fixed = true¶