cgmath/tests/angle.rs

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// Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
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// refer to the AUTHORS file at the top-level directory of this distribution.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
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#![feature(globs)]
extern crate cgmath;
use cgmath::{Angle, Rad, Deg, rad, deg};
use cgmath::{ToRad, ToDeg};
use cgmath::ApproxEq;
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#[test]
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fn conv() {
assert!(deg(-5.0f64).to_rad().to_deg().approx_eq(&deg(-5.0f64)));
assert!(deg(30.0f64).to_rad().to_deg().approx_eq(&deg(30.0f64)));
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assert!(rad(-5.0f64).to_deg().to_rad().approx_eq(&rad(-5.0f64)));
assert!(rad(30.0f64).to_deg().to_rad().approx_eq(&rad(30.0f64)));
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}
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#[test]
fn equiv() {
assert!(Deg::<f32>::full_turn().equiv(&-Deg::<f32>::full_turn()))
assert!(Deg::<f32>::turn_div_2().equiv(&-Deg::<f32>::turn_div_2()))
assert!(Deg::<f32>::turn_div_3().sub_a(Deg::<f32>::full_turn()).equiv(&Deg::<f32>::turn_div_3()))
assert!(Rad::<f32>::full_turn().equiv(&-Rad::<f32>::full_turn()))
assert!(Rad::<f32>::turn_div_2().equiv(&-Rad::<f32>::turn_div_2()))
assert!(Rad::<f32>::turn_div_3().sub_a(Rad::<f32>::full_turn()).equiv(&Rad::<f32>::turn_div_3()))
}