101 lines
3 KiB
Rust
101 lines
3 KiB
Rust
// Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
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// refer to the Cargo.toml file at the top-level directory of this distribution.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#[macro_use]
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extern crate approx;
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extern crate cgmath;
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use cgmath::{Angle, Deg, Rad};
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#[test]
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fn test_normalize() {
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let angle: Rad<f64> = Rad::full_turn().normalize();
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assert_ulps_eq!(&angle, &Rad(0f64));
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let angle: Rad<f64> = (Rad::full_turn() + Rad::turn_div_4()).normalize();
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assert_ulps_eq!(&angle, &Rad::turn_div_4());
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let angle: Rad<f64> = (-Rad::turn_div_4()).normalize();
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assert_ulps_eq!(&angle, &(Rad::full_turn() - Rad::turn_div_4()));
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}
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#[test]
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fn test_normalize_signed() {
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let angle: Rad<f64> = Rad::full_turn().normalize_signed();
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assert_ulps_eq!(&angle, &Rad(0f64));
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let angle: Rad<f64> = (Rad::full_turn() + Rad::turn_div_4()).normalize_signed();
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assert_ulps_eq!(&angle, &Rad::turn_div_4());
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let angle: Rad<f64> = (Rad::full_turn() - Rad::turn_div_4()).normalize_signed();
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assert_ulps_eq!(&angle, &-Rad::turn_div_4());
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let angle: Rad<f64> = Rad::turn_div_2().normalize_signed();
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assert_ulps_eq!(&angle, &Rad::turn_div_2());
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let angle: Rad<f64> = (-Rad::turn_div_2()).normalize_signed();
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assert_ulps_eq!(&angle, &Rad::turn_div_2());
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}
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#[test]
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fn test_conv() {
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let angle: Rad<_> = Deg(-5.0f64).into();
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let angle: Deg<_> = angle.into();
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assert_ulps_eq!(&angle, &Deg(-5.0f64));
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let angle: Rad<_> = Deg(30.0f64).into();
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let angle: Deg<_> = angle.into();
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assert_ulps_eq!(&angle, &Deg(30.0f64));
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let angle: Deg<_> = Rad(-5.0f64).into();
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let angle: Rad<_> = angle.into();
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assert_ulps_eq!(&angle, &Rad(-5.0f64));
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let angle: Deg<_> = Rad(30.0f64).into();
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let angle: Rad<_> = angle.into();
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assert_ulps_eq!(&angle, &Rad(30.0f64));
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}
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mod rad {
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use cgmath::Rad;
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#[test]
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fn test_iter_sum() {
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assert_eq!(
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Rad(2.0) + Rad(3.0) + Rad(4.0),
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[Rad(2.0), Rad(3.0), Rad(4.0)].iter().sum()
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);
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assert_eq!(
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Rad(2.0) + Rad(3.0) + Rad(4.0),
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[Rad(2.0), Rad(3.0), Rad(4.0)].iter().cloned().sum()
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);
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}
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}
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mod deg {
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use cgmath::Deg;
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#[test]
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fn test_iter_sum() {
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assert_eq!(
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Deg(2.0) + Deg(3.0) + Deg(4.0),
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[Deg(2.0), Deg(3.0), Deg(4.0)].iter().sum()
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);
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assert_eq!(
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Deg(2.0) + Deg(3.0) + Deg(4.0),
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[Deg(2.0), Deg(3.0), Deg(4.0)].iter().cloned().sum()
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);
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}
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}
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