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use core::f64::consts::TAU;
pub const DEGREES_PER_RADIAN: f64 = 360.0 / TAU;
pub const GOLDEN_RATIO: f64 = 1.618_033_988_749_895;
pub const SECONDS_PER_NANOSECOND: f64 = 0.000_000_001;
pub const MILLISECONDS_PER_DAY: u64 = 1_000 * 60 * 60 * 24;
pub const MILLISECONDS_PER_SECOND: u64 = 1_000;
pub const NANOSECONDS_PER_MICROSECOND: u64 = 1_000;
pub const NANOSECONDS_PER_MILLISECOND: u64 = 1_000_000;
pub const NANOSECONDS_PER_SECOND: u64 = 1_000_000_000;