Some MSVC optimizations

CMakeLists.txt

@@ -10,7 +10,13 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin)
 
 if (MSVC)
     set(CMAKE_CONFIGURATION_TYPES Debug Release CACHE STRING "" FORCE)
-    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Wall -Ot -Oi")
+    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -W3 -O2 -Ot -Oi")
+endif()
+
+include(CheckCXXCompilerFlag)
+CHECK_CXX_COMPILER_FLAG("-march=native" COMPILER_SUPPORTS_MARCH_NATIVE)
+if(COMPILER_SUPPORTS_MARCH_NATIVE)
+    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -march=native")
 endif()
 
 add_subdirectory(src)

src/CMakeLists.txt

@@ -10,4 +10,6 @@ add_executable(RayTracer
     olcPixelGameEngine.h
 )
 
-target_link_libraries(RayTracer X11 GL pthread png)
+if(NOT MSVC)
+    target_link_libraries(RayTracer X11 GL pthread png)
+endif()

src/GravitationalEntity.cpp

@@ -3,14 +3,14 @@
 #include <cmath>
 
 GravitationalEntity::GravitationalEntity(v3d center, float mass, float radius) : Sphere(center, radius), M(mass),
-                                         schwarzschildRadius(2 * G * M / (c * c) ), photonSphere(1.5*schwarzschildRadius),
+                                         schwarzschildRadius(2.f * G * M / (c * c) ), photonSphere(1.5f*schwarzschildRadius),
                                          relativeOuterRadius(outerRadius/schwarzschildRadius), relativePhotonSphere(photonSphere/schwarzschildRadius) {}
 
 
 State3d GravitationalEntity::statePonto(const float& t, const State3d& estado) const {
 	//const v3d raio = (estado.s - center);
 	const double h2 = cross(estado.v, estado.s).norm2();
-	return State3d{ estado.v, -1.5 * h2 * estado.s / pow(estado.s.norm2(), 2.5) };
+	return State3d{ estado.v, -1.5f * h2 * estado.s / pow(estado.s.norm2(), 2.5f) };
 }
 
 

src/v3d.h

@@ -57,7 +57,7 @@ struct v3d {
 		return v3d(y*vec.z - z*vec.y, z*vec.x - x*vec.z, x*vec.y - y*vec.x);
 	}
 	//Euclidian norm
-	constexpr float norm() const {
+	float norm() const {
 		return std::sqrt(norm2());
 	}
 	constexpr float norm2() const {