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//! Mathematical constants /// The square root of π pub const SQRT_PI: f64 = 1.772_453_850_905_515_9; /// 0.5 ln(2π) pub const HALF_LN_2PI: f64 = 0.918_938_533_204_672_7; /// 0.5 ln(2πe) pub const HALF_LN_2PI_E: f64 = 1.418_938_533_204_672_7; /// 0.5 ln(π) pub const HALF_LN_PI: f64 = 0.572_364_942_924_700_1; /// ln(π) pub const LN_PI: f64 = 1.144_729_885_849_400_2; /// ln(2π) pub const LN_2PI: f64 = 1.837_877_066_409_345_3; /// Euler-Mascheroni Constant pub const EULER_MASCERONI: f64 = 0.577_215_664_901_532_9; /// ln(ln(2)) pub const LN_LN_2: f64 = -0.366_512_920_581_664_3;