std
1.80.0-nightly
(87293c958 2024-05-08)
In std::f64::consts
Constant
std
::
f64
::
consts
::
FRAC_PI_8
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pub const FRAC_PI_8:
f64
= 0.39269908169872415480783042290993786_f64; // 0.39269908169872414f64
Expand description
π/8