DirectX SDK (June 2010)
XNA Math version 2.03 includes the following changes:
- Addition of
XMVectorDivide
to optimize SSE2 vector division operations - Unified handling of floating-point specials between the Windows SSE2 and no-intrinsics implementations
- Use of Visual Studio style SAL annotations
- Modifications to the C++ declarations for
XMFLOAT2A/3A/4A/4X3A/4X4A
to better support these types in C++ templates
See this post for known issues.