115 lines
4.0 KiB
C#
115 lines
4.0 KiB
C#
//-----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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// file="MatrixMetadata"
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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 StgSharp.HighPerformance;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading.Tasks;
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namespace StgSharp.Mathematics.Numeric
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{
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public enum MatrixLayout
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{
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DenseSquare,
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UpperTriangle,
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LowerTriangle,
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}
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[StructLayout(LayoutKind.Sequential)]
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public unsafe struct MatrixKernelEnumeration
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{
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public readonly delegate* unmanaged[Cdecl]
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<int, int, MatrixKernelEnumerator*, long> GetIndexOffset;
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public readonly delegate* unmanaged[Cdecl]<int, int, MatrixKernelEnumerator*, bool> IsInBuffer;
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[Obsolete("Do not use constructor, use static method instead", true)]
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public MatrixKernelEnumeration() { }
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public MatrixKernelEnumeration(
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delegate* unmanaged[Cdecl]
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<int, int, MatrixKernelEnumerator*, long> getOffset,
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delegate* unmanaged[Cdecl]<int, int, MatrixKernelEnumerator*, bool> inBuffer)
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{
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GetIndexOffset = getOffset;
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IsInBuffer = inBuffer;
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}
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private static delegate* unmanaged[Cdecl]<int, int, MatrixKernelEnumerator*, bool> IsInBufferDenseSquarePtr { get; } = (delegate* unmanaged[Cdecl]<int, int, MatrixKernelEnumerator*, bool>)&IsInBufferDenseSquare;
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public static MatrixKernelEnumeration Create(MatrixLayout layout)
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{
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return layout switch
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{
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MatrixLayout.DenseSquare => new MatrixKernelEnumeration(null, IsInBufferDenseSquarePtr),
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MatrixLayout.UpperTriangle => throw new NotImplementedException(),
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};
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}
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private static bool IsInBufferDenseSquare(
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int col,
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int row,
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MatrixKernelEnumerator* enumerator)
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{
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return true;
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}
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}
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[StructLayout(LayoutKind.Explicit)]
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public struct MatrixSize
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{
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[FieldOffset(0)] public readonly int ElementColumnLength;
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[FieldOffset(4)] public readonly int ElementRowLength;
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[FieldOffset(8)] public readonly int KernelColumnLength;
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[FieldOffset(12)] public readonly int KernelRowLength;
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}
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[StructLayout(LayoutKind.Explicit)]
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public struct MatrixKernelEnumerator
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{
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[FieldOffset(0)] public int CurrentColumn;
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[FieldOffset(4)] public int CurrentRow;
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[FieldOffset(8)] public readonly int KernelColumnLength;
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[FieldOffset(12)] public readonly int KernelRowLength;
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}
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}
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