added option to disable avx2

CMakeLists.txt

@@ -8,6 +8,7 @@ include(CMakePackageConfigHelpers)
 option(OMATH_BUILD_TESTS "Build unit tests" ON)
 option(OMATH_THREAT_WARNING_AS_ERROR "Set highest level of warnings and force compiler to treat them as errors" ON)
 option(OMATH_BUILD_AS_SHARED_LIBRARY "Build Omath as .so or .dll" OFF)
+option(OMATH_USE_AVX2 "Omath will use AVX2 to boost performance" ON)
 
 
 if (OMATH_BUILD_AS_SHARED_LIBRARY)
@@ -30,6 +31,9 @@ endif()
 
 target_compile_features(omath PUBLIC cxx_std_23)
 
+if (OMATH_USE_AVX2)
+    target_compile_definitions(omath PUBLIC OMATH_USE_AVX2)
+endif()
 
 add_subdirectory(source)
 

source/projectile_prediction/ProjPredEngineAVX2.cpp

@@ -2,13 +2,14 @@
 // Created by Vlad on 2/23/2025.
 //
 #include "omath/projectile_prediction/ProjPredEngineAVX2.hpp"
-
+#include "source_location"
 
 namespace omath::projectile_prediction
 {
-    std::optional<Vector3<float>> ProjPredEngineAVX2::MaybeCalculateAimPoint(const Projectile& projectile,
-                                                                      const Target& target) const
+    std::optional<Vector3<float>> ProjPredEngineAVX2::MaybeCalculateAimPoint([[maybe_unused]] const Projectile& projectile,
+                                                                      [[maybe_unused]] const Target& target) const
     {
+#ifdef OMATH_USE_AVX2
         const float bulletGravity = m_gravityConstant * projectile.m_gravityScale;
         const float v0 = projectile.m_launchSpeed;
         const float v0Sqr = v0 * v0;
@@ -134,5 +135,7 @@ namespace omath::projectile_prediction
         const float d = std::sqrt(dSqr);
         const float tanTheta = term / d;
         return angles::RadiansToDegrees(std::atan(tanTheta));
+#endif
+    throw std::runtime_error(std::format("{} AVX2 feature is not enabled!", std::source_location::current().function_name()));
     }
 } // namespace omath::projectile_prediction