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Constant FRAC_1_SQRT_2PI

pub const FRAC_1_SQRT_2PI: f128 = 0.398942280401432677939946059934381868475858631164934657665926_f128; // 0.398942280401432677939946059934381874f128
🔬This is a nightly-only experimental API. (f128 #116909)

1/sqrt(2π)

© 2010 The Rust Project Developers
Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/f128/consts/constant.FRAC_1_SQRT_2PI.html