Constant FRAC_2_SQRT_PI

pub const FRAC_2_SQRT_PI: f128 = 1.12837916709551257389615890312154517168810125865799771368817_f128; // 1.12837916709551257389615890312154526f128

🔬This is a nightly-only experimental API. (f128)

2/sqrt(π)