61 lines
2.1 KiB
Rust
61 lines
2.1 KiB
Rust
// Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
|
|
// refer to the Cargo.toml file at the top-level directory of this distribution.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#![feature(test)]
|
|
|
|
extern crate rand;
|
|
extern crate test;
|
|
extern crate cgmath;
|
|
|
|
use rand::{IsaacRng, Rng};
|
|
use test::Bencher;
|
|
use cgmath::{Quaternion, Basis2, Basis3, Vector3, Rotation2, Rotation3, Rad};
|
|
|
|
#[path="common/macros.rs"]
|
|
#[macro_use] mod macros;
|
|
|
|
fn bench_from_axis_angle<T: Rotation3<f32>>(bh: &mut Bencher) {
|
|
const LEN: usize = 1 << 13;
|
|
|
|
let mut rng = IsaacRng::new_unseeded();
|
|
|
|
let axis: Vec<_> = (0..LEN).map(|_| rng.gen::<Vector3<f32>>()).collect();
|
|
let angle: Vec<_> = (0..LEN).map(|_| rng.gen::<Rad<f32>>()).collect();
|
|
let mut i = 0;
|
|
|
|
bh.iter(|| {
|
|
i = (i + 1) & (LEN - 1);
|
|
|
|
unsafe {
|
|
let res: T = Rotation3::from_axis_angle(*axis.get_unchecked(i), *angle.get_unchecked(i));
|
|
test::black_box(res)
|
|
}
|
|
})
|
|
}
|
|
|
|
#[bench]
|
|
fn _bench_quat_from_axisangle(bh: &mut Bencher) {
|
|
bench_from_axis_angle::<Quaternion<f32>>(bh)
|
|
}
|
|
|
|
#[bench]
|
|
fn _bench_rot3_from_axisangle(bh: &mut Bencher) {
|
|
bench_from_axis_angle::<Basis3<f32>>(bh)
|
|
}
|
|
|
|
bench_construction!(_bench_rot2_from_axisangle, Basis2<f32>, Rotation2::from_angle [ angle: Rad<f32> ]);
|
|
|
|
bench_construction!(_bench_quat_from_euler_angles, Quaternion<f32>, Rotation3::from_euler [roll: Rad<f32>, pitch: Rad<f32>, yaw: Rad<f32>]);
|
|
bench_construction!(_bench_rot3_from_euler_angles, Basis3<f32>, Rotation3::from_euler [roll: Rad<f32>, pitch: Rad<f32>, yaw: Rad<f32>]);
|