76 lines
2 KiB
Rust
76 lines
2 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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#![feature(test)]
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#![allow(unused_macros)]
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extern crate cgmath;
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extern crate rand;
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extern crate test;
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use cgmath::*;
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use rand::{FromEntropy, IsaacRng, Rng};
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use test::Bencher;
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#[path = "common/macros.rs"]
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#[macro_use]
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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: usize = 1 << 13;
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let mut rng = IsaacRng::from_entropy();
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let axis: Vec<_> = (0..LEN).map(|_| rng.gen::<Vector3<f32>>()).collect();
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let angle: Vec<_> = (0..LEN).map(|_| rng.gen::<Rad<f32>>()).collect();
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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 =
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Rotation3::from_axis_angle(*axis.get_unchecked(i), *angle.get_unchecked(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!(
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_bench_rot2_from_axisangle,
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Basis2<f32>,
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Basis2::from_angle[angle: Rad<f32>]
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);
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bench_construction!(
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_bench_quat_from_euler_angles,
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Quaternion<f32>,
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Quaternion::from[src: Euler<Rad<f32>>]
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);
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bench_construction!(
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_bench_rot3_from_euler_angles,
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Basis3<f32>,
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Basis3::from[src: Euler<Rad<f32>>]
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);
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