\Engine\Source\ThirdParty\SSEMathFun\sse_mathfun.h Using C functions from this library in the optimized exp/log/pow functions in UnrealMathSSE.h. VectorPow(), VectorExp(), and VectorLog(). http://gruntthepeon.free.fr/ssemath/sse_mathfun.h Licensees Git P4 /UE5/Main/Engine/Source/ThirdParty/Licenses/SseMath_LICENSE.txt