☰
In std::f64::consts
?
Constant
std
::
f64
::
consts
::
PI
1.0.0
·
source
·
[
−
]
pub const PI:
f64
= 3.14159265358979323846264338327950288f64; // 3.1415926535897931f64
Expand description
阿基米德的恒定 (π)