54 lines
1.4 KiB
Swift
54 lines
1.4 KiB
Swift
// Copyright 2020 Tokamak contributors
|
|
//
|
|
// 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.
|
|
//
|
|
// Created by Carson Katri on 7/11/21.
|
|
//
|
|
|
|
import Foundation
|
|
|
|
public protocol VectorArithmetic: AdditiveArithmetic {
|
|
mutating func scale(by rhs: Double)
|
|
var magnitudeSquared: Double { get }
|
|
}
|
|
|
|
extension Float: VectorArithmetic {
|
|
@_transparent
|
|
public mutating func scale(by rhs: Double) { self *= Float(rhs) }
|
|
|
|
@_transparent
|
|
public var magnitudeSquared: Double {
|
|
@_transparent get { Double(self * self) }
|
|
}
|
|
}
|
|
|
|
extension Double: VectorArithmetic {
|
|
@_transparent
|
|
public mutating func scale(by rhs: Double) { self *= rhs }
|
|
|
|
@_transparent
|
|
public var magnitudeSquared: Double {
|
|
@_transparent get { self * self }
|
|
}
|
|
}
|
|
|
|
extension CGFloat: VectorArithmetic {
|
|
@_transparent
|
|
public mutating func scale(by rhs: Double) { self *= CGFloat(rhs) }
|
|
|
|
@_transparent
|
|
public var magnitudeSquared: Double {
|
|
@_transparent get { Double(self * self) }
|
|
}
|
|
}
|