Began documenting SIMD vectorization#226

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Dawoodoz merged 3 commits intomasterfrom

Feb 14, 2026

Commits on Feb 13, 2026

Began writing a dictionary and a page about design principles for long term maintenance.
Dawoodoz
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Documented the basics of using the simd.h header, but not all topics are covered and illustrations will be needed to explain it better.
Dawoodoz
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Noted that the new abs function in noSimd.h needs to be tested in SimdTest.cpp and optimized in simd.h when direct intrinsics are available.
Dawoodoz
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