tracing
0.1.40
In tracing::stdlib::f64::consts
Constant
tracing
::
stdlib
::
f64
::
consts
::
FRAC_2_PI
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pub const FRAC_2_PI:
f64
= 0.636619772367581343075535053490057448_f64; // 0.63661977236758138f64
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2/π