Constant std::f32::consts::FRAC_PI_2   1.0.0
                   
                       [−]
                   
               [src]
pub const FRAC_PI_2: f32=1.57079632679489661923132169163975144f32
π/2
pub const FRAC_PI_2: f32=1.57079632679489661923132169163975144f32
π/2