[opencv] 80/89: cmake: use -fp-model precise with ICC

[Nobuhiro Iwamatsu]

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iwamatsu pushed a commit to annotated tag 2.4.13.2
in repository opencv.

commit d206e84a130057cf7b6e7537205c5a96b176ca65
Author: Alexander Alekhin <alexander.alekhin at intel.com>
Date:   Thu Nov 24 20:33:56 2016 +0300

    cmake: use -fp-model precise with ICC
---
 cmake/OpenCVCompilerOptions.cmake | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cmake/OpenCVCompilerOptions.cmake b/cmake/OpenCVCompilerOptions.cmake
index 06992c2..15523c6 100644
--- a/cmake/OpenCVCompilerOptions.cmake
+++ b/cmake/OpenCVCompilerOptions.cmake
@@ -97,6 +97,10 @@ if(BUILD_TINY_GPU_MODULE)
   add_definitions(-DOPENCV_TINY_GPU_MODULE)
 endif()
 
+if(CV_ICC AND NOT ENABLE_FAST_MATH)
+  add_extra_compiler_option("-fp-model precise")
+endif()
+
 if(CMAKE_COMPILER_IS_GNUCXX)
   # High level of warnings.
   add_extra_compiler_option(-W)

-- 
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