2d2c501074
This method is like `normalize` except that it normalizes to have an absolute value of no more than `turn_div_2`.
90 lines
2.6 KiB
Rust
90 lines
2.6 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.
|
|
|
|
#[macro_use]
|
|
extern crate approx;
|
|
extern crate cgmath;
|
|
|
|
use cgmath::{Angle, Deg, Rad};
|
|
|
|
#[test]
|
|
fn test_normalize_signed() {
|
|
let angle: Rad<f64> = Rad::full_turn().normalize_signed();
|
|
assert_ulps_eq!(&angle, &Rad(0f64));
|
|
|
|
let angle: Rad<f64> = (Rad::full_turn() + Rad::turn_div_4()).normalize_signed();
|
|
assert_ulps_eq!(&angle, &Rad::turn_div_4());
|
|
|
|
let angle: Rad<f64> = (Rad::full_turn() - Rad::turn_div_4()).normalize_signed();
|
|
assert_ulps_eq!(&angle, &-Rad::turn_div_4());
|
|
|
|
let angle: Rad<f64> = Rad::turn_div_2().normalize_signed();
|
|
assert_ulps_eq!(&angle, &Rad::turn_div_2());
|
|
|
|
let angle: Rad<f64> = (-Rad::turn_div_2()).normalize_signed();
|
|
assert_ulps_eq!(&angle, &Rad::turn_div_2());
|
|
}
|
|
|
|
#[test]
|
|
fn test_conv() {
|
|
let angle: Rad<_> = Deg(-5.0f64).into();
|
|
let angle: Deg<_> = angle.into();
|
|
assert_ulps_eq!(&angle, &Deg(-5.0f64));
|
|
|
|
let angle: Rad<_> = Deg(30.0f64).into();
|
|
let angle: Deg<_> = angle.into();
|
|
assert_ulps_eq!(&angle, &Deg(30.0f64));
|
|
|
|
let angle: Deg<_> = Rad(-5.0f64).into();
|
|
let angle: Rad<_> = angle.into();
|
|
assert_ulps_eq!(&angle, &Rad(-5.0f64));
|
|
|
|
let angle: Deg<_> = Rad(30.0f64).into();
|
|
let angle: Rad<_> = angle.into();
|
|
assert_ulps_eq!(&angle, &Rad(30.0f64));
|
|
}
|
|
|
|
mod rad {
|
|
use cgmath::Rad;
|
|
|
|
#[test]
|
|
fn test_iter_sum() {
|
|
assert_eq!(
|
|
Rad(2.0) + Rad(3.0) + Rad(4.0),
|
|
[Rad(2.0), Rad(3.0), Rad(4.0)].iter().sum()
|
|
);
|
|
assert_eq!(
|
|
Rad(2.0) + Rad(3.0) + Rad(4.0),
|
|
[Rad(2.0), Rad(3.0), Rad(4.0)].iter().cloned().sum()
|
|
);
|
|
}
|
|
}
|
|
|
|
mod deg {
|
|
use cgmath::Deg;
|
|
|
|
#[test]
|
|
fn test_iter_sum() {
|
|
assert_eq!(
|
|
Deg(2.0) + Deg(3.0) + Deg(4.0),
|
|
[Deg(2.0), Deg(3.0), Deg(4.0)].iter().sum()
|
|
);
|
|
assert_eq!(
|
|
Deg(2.0) + Deg(3.0) + Deg(4.0),
|
|
[Deg(2.0), Deg(3.0), Deg(4.0)].iter().cloned().sum()
|
|
);
|
|
}
|
|
}
|