Function std::f64::atan2
pub fn atan2(a: c_double, b: c_double) -> c_double
pub fn atan2(a: c_double, b: c_double) -> c_double
Prefix searches with a type followed by a colon (e.g.
fn:) to restrict the search to a given type.
Accepted types are: fn, mod,
struct (or str), enum,
trait, typedef (or
tdef).