60 lines
2 KiB
Rust
60 lines
2 KiB
Rust
// 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 directionectory 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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#![feature(macro_rules)]
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extern crate test;
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extern crate cgmath;
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use std::rand::{IsaacRng, Rng};
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use test::Bencher;
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use cgmath::{Quaternion, Basis2, Basis3, Vector3, Rotation2, Rotation3, Rad};
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#[path="common/macros.rs"]
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mod macros;
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fn bench_from_axis_angle<T: Rotation3<f32>>(bh: &mut Bencher) {
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const LEN: uint = 1 << 13;
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let mut rng = IsaacRng::new_unseeded();
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let axis = Vec::from_fn(LEN, |_| rng.gen::<Vector3<f32>>());
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let angle = Vec::from_fn(LEN, |_| rng.gen::<Rad<f32>>());
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let mut i = 0;
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bh.iter(|| {
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i = (i + 1) & (LEN - 1);
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unsafe {
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let res: T = Rotation3::from_axis_angle(axis.unsafe_get(i), *angle.unsafe_get(i));
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test::black_box(res)
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}
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})
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}
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#[bench]
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fn _bench_quat_from_axisangle(bh: &mut Bencher) {
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bench_from_axis_angle::<Quaternion<f32>>(bh)
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}
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#[bench]
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fn _bench_rot3_from_axisangle(bh: &mut Bencher) {
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bench_from_axis_angle::<Basis3<f32>>(bh)
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}
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bench_construction!(_bench_rot2_from_axisangle, Basis2<f32>, Rotation2::from_angle, angle: Rad<f32>)
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bench_construction!(_bench_quat_from_euler_angles, Quaternion<f32>, Rotation3::from_euler, roll: Rad<f32>, pitch: Rad<f32>, yaw: Rad<f32>)
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bench_construction!(_bench_rot3_from_euler_angles, Basis3<f32>, Rotation3::from_euler, roll: Rad<f32>, pitch: Rad<f32>, yaw: Rad<f32>)
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