Add macro-controlled SIMD support (SSE/NEON) to math library - #64

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bluesky013 with Copilot wants to merge 9 commits into

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copilot/improve-math-library-simd-support

Commits on Feb 16, 2026

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Add SIMD support to math library with macro-controlled SSE/NEON paths

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Add Newton-Raphson refinement to SIMD normalize for improved precision

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Final: SIMD math library support complete

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Remove codeql artifact and add to .gitignore

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Split SIMD data types: extract SFloat4 abstraction from Vector4/Matrix4

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Improve scalar fallback readability in SFloat4.h

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Restore __m128/float32x4_t as union member in Vector4

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Delete SFloat4 abstraction layer, use raw SIMD intrinsics directly

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