patch

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)
@@ -24,9 +25,15 @@ set_target_properties(omath PROPERTIES
         CXX_STANDARD 23
         CXX_STANDARD_REQUIRED ON)
 
+if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+    target_compile_options(omath PRIVATE -mavx2 -mfma)
+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 +2,15 @@
 // 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;
@@ -31,8 +33,8 @@ namespace omath::projectile_prediction
                     _mm256_fmadd_ps(_mm256_set1_ps(target.m_velocity.y), times, _mm256_set1_ps(target.m_origin.y));
             const __m256 timesSq = _mm256_mul_ps(times, times);
             const __m256 targetZ = _mm256_fmadd_ps(_mm256_set1_ps(target.m_velocity.z), times,
-                                             _mm256_fnmadd_ps(_mm256_set1_ps(0.5f * m_gravityConstant), timesSq,
-                                                              _mm256_set1_ps(target.m_origin.z)));
+                                                   _mm256_fnmadd_ps(_mm256_set1_ps(0.5f * m_gravityConstant), timesSq,
+                                                                    _mm256_set1_ps(target.m_origin.z)));
 
             const __m256 deltaX = _mm256_sub_ps(targetX, _mm256_set1_ps(projOrigin.x));
             const __m256 deltaY = _mm256_sub_ps(targetY, _mm256_set1_ps(projOrigin.y));
@@ -110,8 +112,9 @@ namespace omath::projectile_prediction
         m_maximumSimulationTime(simulationTimeStep)
     {
     }
-    std::optional<float> ProjPredEngineAVX2::CalculatePitch(const Vector3<float>& projOrigin, const Vector3<float>& targetPos,
-                                                            const float bulletGravity, const float v0, const float time)
+    std::optional<float> ProjPredEngineAVX2::CalculatePitch(const Vector3<float>& projOrigin,
+                                                            const Vector3<float>& targetPos, const float bulletGravity,
+                                                            const float v0, const float time)
     {
         if (time <= 0.0f)
             return std::nullopt;
@@ -134,5 +137,9 @@ namespace omath::projectile_prediction
         const float d = std::sqrt(dSqr);
         const float tanTheta = term / d;
         return angles::RadiansToDegrees(std::atan(tanTheta));
+#else
+        throw std::runtime_error(
+                std::format("{} AVX2 feature is not enabled!", std::source_location::current().function_name()));
+#endif
     }
 } // namespace omath::projectile_prediction