constants.hpp

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#pragma once
 
#include <string_view>

namespace steppable::constants
{
    constexpr const std::string_view PI =
        "3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679";

    // Generated using Python:
    // -------------------------------------------------------
    // 1 | from decimal import Decimal, getcontext
    // 2 | # Set precision to 100 decimal places.
    // 3 | getcontext().prec = 100
    // 4 | Decimal(
    // 5 |     3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679
    // 6 | ) * Decimal(2)
    // -------------------------------------------------------
    constexpr const std::string_view TWO_PI = "6.283185307179586231995926937088370323181152343750";

    // Generated using Python:
    // -------------------------------------------------------
    // 1 | from decimal import Decimal, getcontext
    // 2 | # Set precision to 100 decimal places.
    // 3 | getcontext().prec = 100
    // 4 | Decimal(
    // 5 |     3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679
    // 6 | ) / Decimal(2)
    // -------------------------------------------------------
    constexpr const std::string_view PI_OVER_2 =
        "1.570796326794896619231321691639751442098584699687552910487472296153908203143104499314017412835292542";

    // Generated using Python:
    // -------------------------------------------------------
    // 1 | from decimal import Decimal, getcontext
    // 2 | # Set precision to 100 decimal places.
    // 3 | getcontext().prec = 100
    // 4 | Decimal(
    // 5 |     3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679
    // 6 | ) / Decimal(180)
    // -------------------------------------------------------
    constexpr const std::string_view PI_OVER_180 =
        "0.01745329251994329508887757482524547311994764539930555555555555555555555555555555555555555555555555556";

    // Generated using Python:
    // -------------------------------------------------------
    // 1 | from decimal import Decimal, getcontext
    // 2 | # Set precision to 100 decimal places.
    // 3 | getcontext().prec = 100
    // 4 | Decimal(
    // 5 |     3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679
    // 6 | ) / Decimal(200)
    // -------------------------------------------------------
    constexpr const std::string_view PI_OVER_200 =
        "0.01570796326794896619231321691639716312084074699687552942986246296153903203140449499314017412671058534";
 
    constexpr const std::string_view E = "2.718281828459045090795598298427648842334747314453125";
} // namespace steppable::constants