From d206e84a130057cf7b6e7537205c5a96b176ca65 Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.alekhin@intel.com>
Date: Thu, 24 Nov 2016 20:33:56 +0300
Subject: [PATCH] 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 06992c2de0..15523c68a8 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)