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//! rust-rfcalcs constant definitions
//!
//! Copyright 2017 Ryan Kurte
//!


use std::f64::*;

/// C is the speed of light in air in meters per second
pub const C: f64 = 2.998e8;

/// R is the (average) radius of the earth
pub const R: f64 = 6.371e6;

/// Pi for use in formulae
pub const PI: f64 = consts::PI;