71 lines
2.5 KiB
C#
71 lines
2.5 KiB
C#
//-----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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// file="MatrixIndex"
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// Project: StgSharp
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// AuthorGroup: Nitload
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// Copyright (c) Nitload. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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// -----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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using System;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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namespace StgSharp.Mathematics.Numeric
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{
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[StructLayout(LayoutKind.Sequential)]
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public readonly struct MatrixIndex
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{
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public readonly int Begin;
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public readonly int End;
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private MatrixIndex(int begin, int end, bool safe = false)
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{
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Begin = begin;
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End = end;
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}
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internal MatrixIndex(int begin, int end)
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{
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if (begin > end) {
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throw new ArgumentException("Begin index cannot be greater than end index.");
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}
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Begin = begin;
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End = end;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static implicit operator MatrixIndex((int, int) range)
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{
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return new(range.Item1, range.Item2, false);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static implicit operator MatrixIndex(int index)
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{
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return new(index, -1, false);
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}
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}
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}
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