2013-09-06 05:44:58 +00:00
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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::vector::*;
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#[test]
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fn test_from_value() {
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assert_eq!(Vec2::from_value(1), Vec2::new(1, 1));
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assert_eq!(Vec3::from_value(1), Vec3::new(1, 1, 1));
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assert_eq!(Vec4::from_value(1), Vec4::new(1, 1, 1, 1));
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}
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#[test]
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fn test_dot() {
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assert_eq!(Vec2::new(1, 2).dot(&Vec2::new(3, 4)), 11);
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assert_eq!(Vec3::new(1, 2, 3).dot(&Vec3::new(4, 5, 6)), 32);
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assert_eq!(Vec4::new(1, 2, 3, 4).dot(&Vec4::new(5, 6, 7, 8)), 70);
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}
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#[test]
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fn test_comp_add() {
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assert_eq!(Vec2::new(1, 2).comp_add(), 3);
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assert_eq!(Vec3::new(1, 2, 3).comp_add(), 6);
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assert_eq!(Vec4::new(1, 2, 3, 4).comp_add(), 10);
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assert_eq!(Vec2::new(3.0, 4.0).comp_add(), 7.0);
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assert_eq!(Vec3::new(4.0, 5.0, 6.0).comp_add(), 15.0);
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assert_eq!(Vec4::new(5.0, 6.0, 7.0, 8.0).comp_add(), 26.0);
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}
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#[test]
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fn test_comp_mul() {
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assert_eq!(Vec2::new(1, 2).comp_mul(), 2);
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assert_eq!(Vec3::new(1, 2, 3).comp_mul(), 6);
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assert_eq!(Vec4::new(1, 2, 3, 4).comp_mul(), 24);
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assert_eq!(Vec2::new(3.0, 4.0).comp_mul(), 12.0);
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assert_eq!(Vec3::new(4.0, 5.0, 6.0).comp_mul(), 120.0);
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assert_eq!(Vec4::new(5.0, 6.0, 7.0, 8.0).comp_mul(), 1680.0);
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}
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#[test]
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fn test_comp_min() {
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assert_eq!(Vec2::new(1, 2).comp_min(), 1);
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assert_eq!(Vec3::new(1, 2, 3).comp_min(), 1);
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assert_eq!(Vec4::new(1, 2, 3, 4).comp_min(), 1);
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assert_eq!(Vec2::new(3.0, 4.0).comp_min(), 3.0);
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assert_eq!(Vec3::new(4.0, 5.0, 6.0).comp_min(), 4.0);
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assert_eq!(Vec4::new(5.0, 6.0, 7.0, 8.0).comp_min(), 5.0);
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}
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#[test]
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fn test_comp_max() {
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assert_eq!(Vec2::new(1, 2).comp_max(), 2);
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assert_eq!(Vec3::new(1, 2, 3).comp_max(), 3);
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assert_eq!(Vec4::new(1, 2, 3, 4).comp_max(), 4);
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assert_eq!(Vec2::new(3.0, 4.0).comp_max(), 4.0);
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assert_eq!(Vec3::new(4.0, 5.0, 6.0).comp_max(), 6.0);
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assert_eq!(Vec4::new(5.0, 6.0, 7.0, 8.0).comp_max(), 8.0);
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}
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#[test]
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fn test_cross() {
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let a = Vec3::new(1, 2, 3);
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let b = Vec3::new(4, 5, 6);
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let r = Vec3::new(-3, 6, -3);
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assert_eq!(a.cross(&b), r);
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let mut a = a;
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a.cross_self(&b);
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assert_eq!(a, r);
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}
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2013-09-06 06:39:34 +00:00
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#[cfg(test)]
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mod test_length {
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use cgmath::vector::*;
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#[test]
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fn test_vec2(){
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let (a, a_res) = (Vec2::new(3.0, 4.0), 5.0); // (3, 4, 5) Pythagorean triple
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let (b, b_res) = (Vec2::new(5.0, 12.0), 13.0); // (5, 12, 13) Pythagorean triple
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assert_eq!(a.length2(), a_res * a_res);
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assert_eq!(b.length2(), b_res * b_res);
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assert_eq!(a.length(), a_res);
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assert_eq!(b.length(), b_res);
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}
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#[test]
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fn test_vec3(){
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let (a, a_res) = (Vec3::new(2.0, 3.0, 6.0), 7.0); // (2, 3, 6, 7) Pythagorean quadruple
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let (b, b_res) = (Vec3::new(1.0, 4.0, 8.0), 9.0); // (1, 4, 8, 9) Pythagorean quadruple
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assert_eq!(a.length2(), a_res * a_res);
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assert_eq!(b.length2(), b_res * b_res);
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assert_eq!(a.length(), a_res);
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assert_eq!(b.length(), b_res);
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}
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#[test]
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fn test_vec4(){
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let (a, a_res) = (Vec4::new(1.0, 2.0, 4.0, 10.0), 11.0); // (1, 2, 4, 10, 11) Pythagorean quintuple
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let (b, b_res) = (Vec4::new(1.0, 2.0, 8.0, 10.0), 13.0); // (1, 2, 8, 10, 13) Pythagorean quintuple
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assert_eq!(a.length2(), a_res * a_res);
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assert_eq!(b.length2(), b_res * b_res);
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assert_eq!(a.length(), a_res);
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assert_eq!(b.length(), b_res);
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}
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}
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