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// Copyright 2013 The Servo Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution. // // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your // option. This file may not be copied, modified, or distributed // except according to those terms. /// Trait for basic trigonometry functions, so they can be used on generic numeric types pub trait Trig { fn sin(self) -> Self; fn cos(self) -> Self; fn tan(self) -> Self; } macro_rules! trig { ($ty:ty) => ( impl Trig for $ty { #[inline] fn sin(self) -> $ty { self.sin() } #[inline] fn cos(self) -> $ty { self.cos() } #[inline] fn tan(self) -> $ty { self.tan() } } ) } trig!(f32); trig!(f64);