Fixed most of the floating-point accuracy problems for x86 gcc

2012-04-25 11:33:11 +00:00
parent a6c261bebd
commit 8d130ff10c
3 changed files with 6 additions and 5 deletions
--- a/cmake/OpenCVCompilerOptions.cmake
+++ b/cmake/OpenCVCompilerOptions.cmake
@@ -109,7 +109,11 @@ if(CMAKE_COMPILER_IS_GNUCXX)

  if(X86 OR X86_64)
    if(NOT APPLE AND CMAKE_SIZEOF_VOID_P EQUAL 4)
-       set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -mfpmath=387")
+       if(ENABLE_SSE2)
+         set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -mfpmath=sse")# !! important - be on the same wave with x64 compilers
+       else()
+         set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -mfpmath=387")
+       endif()
    endif()
  endif()