std
1.83.0
(90b35a623 2024-11-26)
In std::
f64::
consts
std
::
f64
::
consts
Constant
FRAC_PI_2
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1.0.0
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pub const FRAC_PI_2:
f64
= 1.57079632679489661923132169163975144_f64; // 1.5707963267948966f64
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π/2