add missed files

2025-08-31 14:34:44 +08:00
parent 6bebe1ca85
commit b650526985
21 changed files with 2031 additions and 0 deletions
@@ -0,0 +1,77 @@
+//-----------------------------------------------------------------------
+// -----------------------------------------------------------------------
+// file="MatrixIndex.cs"
+// Project: StgSharp
+// AuthorGroup: Nitload Space
+// Copyright (c) Nitload Space. All rights reserved.
+//     
+// 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;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StgSharp.Mathematics
+{
+    [StructLayout(LayoutKind.Sequential)]
+    public readonly struct MatrixIndex
+    {
+
+        public readonly int Begin;
+        public readonly int End;
+
+        private MatrixIndex(int begin, int end, bool safe = false)
+        {
+            Begin = begin;
+            End = end;
+        }
+
+        internal MatrixIndex(int begin, int end)
+        {
+            if (begin > end) {
+                throw new ArgumentException("Begin index cannot be greater than end index.");
+            }
+
+            Begin = begin;
+            End = end;
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static implicit operator MatrixIndex((int, int) range)
+        {
+            return new(range.Item1, range.Item2, false);
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static implicit operator MatrixIndex(int index)
+        {
+            return new(index, -1, false);
+        }
+
+    }
+}