pub const FRAC_PI_4: f128 = 0.785398163397448309615660845819875721049292349843776455243736_f128; // 0.785398163397448309615660845819875699f128
f128 #116909)
π/4
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Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/f128/consts/constant.FRAC_PI_4.html