Comments (3)
walbourn
commented on May 21, 2024
This was fixed for XNAMath 2.03
from directxmath.
walbourn
commented on May 21, 2024
The ARM 32-bit platform using ARMv7 does not have an explicit divide operation in ARM NEON, so XMVectorDivide is implemented with 2 iterations of Newton-Raphson refinement of the reciprocal
from directxmath.
walbourn
commented on May 21, 2024
ARM64 which requires ARMv8 has a new ARM NEON intrinsic vdivq_f32 which can be used to implement XMVectorDivide rather than using the multiply-by-reciprocal
from directxmath.
Related Issues (20)
- Souce Code Annotation Language defines (sal.h) conflict with GCC <utility> header code HOT 2
- DirectXMath Matrix Stack should have option to maintain inverse
- Incorrect RH Orthographic Matrix HOT 3
- Comment does not match with actual code? HOT 2
- C++20 spaceship operator for XMFLOAT2, XMFLOAT3, etc.
- IntelLLVM Compiler Validation
- DirectXMath.h not self-sufficient on g++ 11.2 (Ubuntu) HOT 2
- More constexpr usage in DirectXMath HOT 1
- unexpected results with clang-cl /fp:fast in release mode HOT 6
- ARM-NEON implementation generates warnings if using /Zc:arm64-aliased-neon-types- with MSVC HOT 2
- __cpuid and clang-cl HOT 3
- Add matrix functions for generating infinite reversed-z perspective projection matrix HOT 4
- Readme points to unmaintained sal.h
- DirectXPackedVector.h/.inl Linux compilation warnings (Clang and GCC) HOT 12
- Comment in BoundingFrustum::CreateFromMatrix is incorrect
- Proposal to add a vector projection function HOT 2
- Question about test case. HOT 1
- Project version is inconsistent with release note HOT 3
- -Wmissing-braces when compiling with Clang for MINGW
- Errors from the Testsuite GCC 13.2.0 HOT 3
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from directxmath.