disable unsafe math optimizations - resolves #74

Author: joeljonsson

CMakeLists.txt

@@ -101,25 +101,25 @@ if(WIN32)
         message(STATUS "Compiling on windows with CLANG!")
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Xclang -fcxx-exceptions")
         set(CMAKE_CXX_FLAGS_DEBUG "/MD /Z7")
-        set(CMAKE_CXX_FLAGS_RELEASE "/MD /EHsc /std:c++17 /arch:AVX2 -Xclang -O3 /nologo /fp:fast") #-flto=thin -march=native /O2 /Ob2
+        set(CMAKE_CXX_FLAGS_RELEASE "/MD /EHsc /std:c++17 /arch:AVX2 -Xclang -O3 /nologo") #-flto=thin -march=native /O2 /Ob2
     endif()
 
     if (CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
         message(STATUS "Compiling on windows with MSVC!")
-        set(CMAKE_CXX_FLAGS_RELEASE "/MD /EHsc /std:c++17 /arch:AVX2 /O2 /Ob2 /nologo /fp:fast")
+        set(CMAKE_CXX_FLAGS_RELEASE "/MD /EHsc /std:c++17 /arch:AVX2 /O2 /Ob2 /nologo")
         set(CMAKE_CXX_FLAGS_DEBUG "/MD /Z7")
     endif()
 
 else()
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14 -Wall -pedantic ")
     if(CMAKE_COMPILER_IS_GNUCC)
-        set(CMAKE_CXX_FLAGS_RELEASE "-O4 -ffast-math")
+        set(CMAKE_CXX_FLAGS_RELEASE "-O3")
         set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g")
         set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Bdynamic")
         set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -ldl -lz")
 
     elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
-        set(CMAKE_CXX_FLAGS_RELEASE "-O3 -ffast-math")
+        set(CMAKE_CXX_FLAGS_RELEASE "-O3")
         set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g")
         set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lz")
     endif()