113 lines
3.4 KiB
C#
113 lines
3.4 KiB
C#
using System;
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using System.Runtime.InteropServices;
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namespace StgSharp.Math
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{
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public class Matrix2x2
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{
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internal M128Map _map;
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internal IntPtr _colum0Ptr;
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internal IntPtr _colum1Ptr;
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private bool _isTranpsed;
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private Matrix2x2 _transpose;
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public Matrix2x2(
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float a00, float a01,
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float a10, float a11
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)
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{
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_colum0Ptr = internalIO.load_internal(a00, a10, 0, 0);
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_colum0Ptr = internalIO.load_internal(a01, a11, 0, 0);
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_transpose = new Matrix2x2(this);
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}
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internal Matrix2x2(
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IntPtr colum0Ptr,
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IntPtr colum1Ptr
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)
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{
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_colum0Ptr = colum0Ptr;
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_colum1Ptr = colum1Ptr;
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}
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internal Matrix2x2(Matrix2x2 transpose)
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{
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_transpose = transpose;
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}
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public unsafe Matrix2x2 Transpose(TransposeMode transposeMode)
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{
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if (_isTranpsed)
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{
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(*(M128*)_transpose._colum0Ptr).single_0 = (*(M128*)_colum0Ptr).single_0;
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(*(M128*)_transpose._colum1Ptr).single_0 = (*(M128*)_colum0Ptr).single_1;
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(*(M128*)_transpose._colum0Ptr).single_1 = (*(M128*)_colum1Ptr).single_0;
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(*(M128*)_transpose._colum1Ptr).single_1 = (*(M128*)_colum1Ptr).single_1;
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}
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switch (transposeMode)
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{
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case TransposeMode.New:
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return new Matrix2x2(
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internalIO.load_cpy_internal(_transpose._colum0Ptr),
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internalIO.load_cpy_internal(_transpose._colum1Ptr)
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);
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break;
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case TransposeMode.Copy:
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return _transpose;
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break;
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default:
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throw new Exception();
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break;
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}
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}
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public static Matrix2x2 operator +(Matrix2x2 matrix1, Matrix2x2 matrix2)
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{
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return new Matrix2x2(
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internalIO.addps_internal(matrix1._colum0Ptr, matrix2._colum0Ptr),
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internalIO.addps_internal(matrix1._colum1Ptr, matrix2._colum1Ptr)
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);
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}
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public static Matrix2x2 operator -(Matrix2x2 matrix1, Matrix2x2 matrix2)
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{
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return new Matrix2x2(
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internalIO.subps_internal(matrix1._colum0Ptr, matrix2._colum0Ptr),
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internalIO.subps_internal(matrix1._colum1Ptr, matrix2._colum1Ptr)
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);
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}
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public static Matrix2x2 operator *(Matrix2x2 matrix1, float value)
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{
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return new Matrix2x2(
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internalIO.mulps_const_internal(matrix1._colum0Ptr, value),
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internalIO.mulps_const_internal(matrix1._colum1Ptr, value)
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);
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}
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public static Matrix2x2 operator /(Matrix2x2 matrix1, float value)
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{
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return new Matrix2x2(
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internalIO.divps_const_internal(matrix1._colum0Ptr, value),
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internalIO.divps_const_internal(matrix1._colum1Ptr, value)
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);
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}
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~Matrix2x2()
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{
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if (_map == null)
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{
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internalIO.deinitM128_internal(_colum0Ptr);
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internalIO.deinitM128_internal(_colum1Ptr);
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}
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}
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}
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}
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