youmuliu/stgsharp
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

daily update on 20250109 by nitload youmu, building STEP file reader

Browse Source
This commit is contained in:
Nitload
2025-01-09 07:28:07 +08:00
parent 63c3cd17e2
commit 6cfaa42ff3
84 changed files with 6688 additions and 922 deletions
Download Patch File Download Diff File Expand all files Collapse all files
内核源代码/StgSharp/Math/Linear/Matrix44.cs
+18 -32
View File
@@ -250,48 +250,34 @@ namespace StgSharp.Math
return ans;
}
[Obsolete("The operand may cause performance loss, use Matrix.Multiple() method instead.",false)]
[MethodImpl( MethodImplOptions.AggressiveInlining )]
public static unsafe Matrix42 operator *(
Matrix44 left,
Matrix42 right )
{
left.InternalTranspose();
return new Matrix42(
Vector4.Dot( left.transpose.colum0, right.mat.colum0 ),
Vector4.Dot( left.transpose.colum0, right.mat.colum1 ),
Vector4.Dot( left.transpose.colum1, right.mat.colum0 ),
Vector4.Dot( left.transpose.colum1, right.mat.colum1 ),
Vector4.Dot( left.transpose.colum2, right.mat.colum0 ),
Vector4.Dot( left.transpose.colum2, right.mat.colum1 ),
Vector4.Dot( left.transpose.colum3, right.mat.colum0 ),
Vector4.Dot( left.transpose.colum3, right.mat.colum1 ) );
return left.Multiple(right);
}
public unsafe Matrix43 Multiple(in Matrix43 right)
{
InternalTranspose();
Matrix43 ans = new Matrix43();
fixed(Vector4* rptr = &right.mat.colum0)
fixed (ColumnSet4* lptr = &transpose)
{
InternalIO.Intrinsic.dot_43(lptr,rptr,&ans.mat.colum0);
}
return ans;
}
[Obsolete("The operand may cause performance loss, use Matrix.Multiple() method instead.", false)]
[MethodImpl( MethodImplOptions.AggressiveInlining )]
public static Matrix43 operator *( Matrix44 left, Matrix43 right )
{
left.InternalTranspose();
return new Matrix43(
Vector4.Dot( left.transpose.colum0, right.mat.colum0 ),
Vector4.Dot( left.transpose.colum0, right.mat.colum1 ),
Vector4.Dot( left.transpose.colum0, right.mat.colum2 ),
Vector4.Dot( left.transpose.colum1, right.mat.colum0 ),
Vector4.Dot( left.transpose.colum1, right.mat.colum1 ),
Vector4.Dot( left.transpose.colum1, right.mat.colum2 ),
Vector4.Dot( left.transpose.colum2, right.mat.colum0 ),
Vector4.Dot( left.transpose.colum2, right.mat.colum1 ),
Vector4.Dot( left.transpose.colum2, right.mat.colum2 ),
Vector4.Dot( left.transpose.colum3, right.mat.colum0 ),
Vector4.Dot( left.transpose.colum3, right.mat.colum1 ),
Vector4.Dot( left.transpose.colum3, right.mat.colum2 ) );
return left.Multiple(in right);
}