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Rational.cs
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Rational.cs
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// Copyright (c) 2010-2014 SharpDX - Alexandre Mutel
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
namespace SharpDX.DXGI
{
public partial struct Rational : IEquatable<Rational>
{
/// <summary>
/// An empty rational that can be used for comparisons.
/// </summary>
public static readonly Rational Empty = new Rational();
/// <summary>
/// Initializes a new instance of the <see cref = "T:SharpDX.DXGI.Rational" /> structure.
/// </summary>
/// <param name = "numerator">The numerator of the rational pair.</param>
/// <param name = "denominator">The denominator of the rational pair.</param>
public Rational(int numerator, int denominator)
{
this.Numerator = numerator;
this.Denominator = denominator;
}
public bool Equals(Rational other)
{
return Numerator == other.Numerator && Denominator == other.Denominator;
}
public override bool Equals(object obj)
{
if (ReferenceEquals(null, obj)) return false;
return obj is Rational && Equals((Rational) obj);
}
public override int GetHashCode()
{
unchecked
{
return (Numerator * 397) ^ Denominator;
}
}
public static bool operator ==(Rational left, Rational right)
{
return left.Equals(right);
}
public static bool operator !=(Rational left, Rational right)
{
return !left.Equals(right);
}
public override string ToString()
{
return string.Format("{0}/{1}", Numerator, Denominator);
}
}
}