Do not use -ffast-math by default. Too large a chance of miscompiled code. (e36d2ce3) · Commits · 郑智淋 / lammps

cmake/CMakeLists.txt

+2 −2

Original line number	Diff line number	Diff line
		@@ -60,11 +60,11 @@ if(${CMAKE_CXX_COMPILER_ID} STREQUAL "Intel")
		endif()

		if(${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU")
		set(CMAKE_TUNE_DEFAULT "-ffast-math -march=native")
		set(CMAKE_TUNE_DEFAULT "-march=native")
		endif()

		if(${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")
		set(CMAKE_TUNE_DEFAULT "-ffast-math -march=native")
		set(CMAKE_TUNE_DEFAULT "-march=native")
		endif()

		# we require C++11 without extensions