Function pi

pub fn pi<T>() -> T
where
    T: RealNumber,

The value of PI.

See also:

• four_over_pi()
• half_pi()
• one_over_pi()
• one_over_two_pi()
• quarter_pi()
• root_half_pi()
• root_pi()
• root_two_pi()
• three_over_two_pi()
• two_over_pi()
• two_over_root_pi()
• two_pi()