NumCpp  2.10.1
A Templatized Header Only C++ Implementation of the Python NumPy Library
Constants.hpp
Go to the documentation of this file.
1 #pragma once
29 
30 #include <cmath>
31 #include <complex>
32 #include <limits>
33 
34 namespace nc::constants
35 {
36  constexpr double c = 3.e8;
37  constexpr double e = 2.718281828459045;
38  constexpr double inf = std::numeric_limits<double>::infinity();
39  constexpr double pi = 3.141592653589793238462643383279502884;
40  const double nan = std::nan("1");
41  constexpr auto j = std::complex<double>(0, 1); // sqrt(-1) unit imaginary number
42 
43  constexpr double DAYS_PER_WEEK = 7;
44  constexpr double MINUTES_PER_HOUR = 60;
45  constexpr double SECONDS_PER_MINUTE = 60;
46  constexpr double MILLISECONDS_PER_SECOND = 1000;
48  constexpr double HOURS_PER_DAY = 24;
51  constexpr double MILLISECONDS_PER_DAY =
54 } // namespace nc::constants
Definition: Constants.hpp:35
constexpr auto j
Definition: Constants.hpp:41
constexpr double MILLISECONDS_PER_DAY
Number of milliseconds in a day.
Definition: Constants.hpp:51
constexpr double DAYS_PER_WEEK
Number of days in a week.
Definition: Constants.hpp:43
constexpr double pi
Pi.
Definition: Constants.hpp:39
constexpr double MILLISECONDS_PER_SECOND
Number of milliseconds in a second.
Definition: Constants.hpp:46
constexpr double inf
infinity
Definition: Constants.hpp:38
constexpr double SECONDS_PER_DAY
Number of seconds in a day.
Definition: Constants.hpp:50
constexpr double MINUTES_PER_HOUR
Number of minutes in an hour.
Definition: Constants.hpp:44
constexpr double MINUTES_PER_DAY
Number of minutes in a day.
Definition: Constants.hpp:49
constexpr double SECONDS_PER_WEEK
Number of seconds in a week.
Definition: Constants.hpp:53
constexpr double c
speed of light
Definition: Constants.hpp:36
constexpr double SECONDS_PER_HOUR
Number of seconds in an hour.
Definition: Constants.hpp:47
constexpr double SECONDS_PER_MINUTE
Number of seconds in a minute.
Definition: Constants.hpp:45
constexpr double e
eulers number
Definition: Constants.hpp:37
constexpr double HOURS_PER_DAY
Number of hours in a day.
Definition: Constants.hpp:48
const double nan
NaN.
Definition: Constants.hpp:40