Constant kvarn::prelude::utils::prelude::compact_str::core::f64::consts::FRAC_PI_2

pub const FRAC_PI_2: f64 = 1.57079632679489661923132169163975144f64; // 1.5707963267948966f64

Available on non-crate feature miri-test-libstd only.

π/2