/// Euler's constant (sometimes called the Euler-Mascheroni constant) usually denoted as 𝛄.
/// See [this article](https://en.wikipedia.org/wiki/Euler%27s_constant) for further information.
pub const EULER_MASCHERONI: f64 = 0.5772156649015328606065120900824024310421_f64;

/// The circle constant 𝜏 is defined as the ratio between a circle's radius and its circumference.
/// See [this article](https://en.wikipedia.org/wiki/Turn_(angle)) for further information.
pub const TAU: f64 = 6.28318530717958647692;

/// Usually denoted as 𝜑, the golden ratio is defined as the positive solution to 𝜑² = 𝜑 + 1.
/// See [this article](https://en.wikipedia.org/wiki/Golden_ratio) for further information
pub const GOLDEN_RATIO: f64 = 1.61803398874989484820_f64;

/// Usually denoted as 𝛿ₛ the silver ratio is the limiting factor of the [Pell numbers](https://en.wikipedia.org/wiki/Pell_number) and is defined as 1+√2.
/// See [this article](https://en.wikipedia.org/wiki/Silver_ratio) for further information.
pub const SILVER_RATIO: f64 = 2.41421356237309504880_f64;

/// Usually denoted as 𝝍, the supergolden ratio is defined as the unique real solution to 𝝍³ = 𝝍² + 1.
/// See [this article](https://en.wikipedia.org/wiki/Supergolden_ratio) for further information.
pub const SUPERGOLDEN_RATIO: f64 = 1.46557123187676802665_f64;

/// Usually denoted as β, Bernstein's constant is defined as the limit lim(n➝ ∞)2nE₂ₙ(f) where Eₙ(f)is the error to the best uniform approximation to a real funciton f(x) on the interval [-1, 1] by real polynomials of no more than degree n.
/// See [this article](https://en.wikipedia.org/wiki/Bernstein%27s_constant) for further information
pub const BERNSTEINS_CONSTANT: f64 = 0.28016949902386913303_f64;