std
1.81.0
(eeb90cda1 2024-09-04) (built from a source tarball)
In std::f32::consts
Constant
std
::
f32
::
consts
::
LN_2
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pub const LN_2:
f32
= 0.693147180559945309417232121458176568_f32; // 0.693147182f32
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ln(2)