28 lines
1.1 KiB
Rust
28 lines
1.1 KiB
Rust
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// Copyright 2013 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.
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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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use cgmath::quaternion::*;
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use cgmath::transform::*;
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use cgmath::vector::*;
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#[test]
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fn test_invert() {
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let v = Vec3::new(1.0, 2.0, 3.0);
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let t = Transform3D::new( 1.5, Quat::new(0.5,0.5,0.5,0.5), Vec3::new(6.0,-7.0,8.0) );
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let ti = t.invert().expect("Expected successful inversion");
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let vt = t.transform_vec( &v );
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assert_approx_eq!(v, ti.transform_vec( &vt ));
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}
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