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executable file 66 lines (55 sloc) 1.36 KB
//
// DoubleExtensions.swift
// SwifterSwift
//
// Created by Omar Albeik on 8/6/16.
// Copyright © 2016 SwifterSwift
//
#if canImport(CoreGraphics)
import CoreGraphics
#endif
#if os(macOS) || os(iOS)
import Darwin
#elseif os(Linux)
import Glibc
#endif
// MARK: - Properties
public extension Double {
/// SwifterSwift: Int.
var int: Int {
return Int(self)
}
/// SwifterSwift: Float.
var float: Float {
return Float(self)
}
#if canImport(CoreGraphics)
/// SwifterSwift: CGFloat.
var cgFloat: CGFloat {
return CGFloat(self)
}
#endif
}
// MARK: - Operators
precedencegroup PowerPrecedence { higherThan: MultiplicationPrecedence }
infix operator ** : PowerPrecedence
/// SwifterSwift: Value of exponentiation.
///
/// - Parameters:
/// - lhs: base double.
/// - rhs: exponent double.
/// - Returns: exponentiation result (example: 4.4 ** 0.5 = 2.0976176963).
func ** (lhs: Double, rhs: Double) -> Double {
// http://nshipster.com/swift-operators/
return pow(lhs, rhs)
}
prefix operator
/// SwifterSwift: Square root of double.
///
/// - Parameter double: double value to find square root for.
/// - Returns: square root of given double.
// swiftlint:disable:next identifier_name
public prefix func (double: Double) -> Double {
// http://nshipster.com/swift-operators/
return sqrt(double)
}
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