47 lines
1.4 KiB
Rust
47 lines
1.4 KiB
Rust
// Copyright 2015 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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extern crate cgmath;
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use cgmath::*;
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mod rotation {
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use super::cgmath::*;
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pub fn a2<R: Rotation2<f64>>() -> R {
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Rotation2::from_angle(Deg(30.0))
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}
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pub fn a3<R: Rotation3<f64>>() -> R {
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let axis = Vector3::new(1.0, 1.0, 0.0).normalize();
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Rotation3::from_axis_angle(axis, Deg(30.0))
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}
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}
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#[test]
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fn test_invert_basis2() {
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let a: Basis2<_> = rotation::a2();
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let a = a * a.invert();
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let a: &Matrix2<_> = a.as_ref();
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assert!(a.is_identity());
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}
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#[test]
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fn test_invert_basis3() {
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let a: Basis3<_> = rotation::a3();
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let a = a * a.invert();
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let a: &Matrix3<_> = a.as_ref();
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assert!(a.is_identity());
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}
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