tracing_core
0.1.32
In tracing_core::stdlib::f64::consts
Constant
tracing_core
::
stdlib
::
f64
::
consts
::
FRAC_PI_2
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pub const FRAC_PI_2:
f64
= 1.57079632679489661923132169163975144_f64; // 1.5707963267948966f64
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π/2