From d17f40dc1fba3ff44e0bff6b93701bc5076dad85 Mon Sep 17 00:00:00 2001
From: vbystricky <user@user-pc.(none)>
Date: Tue, 15 Apr 2014 16:20:18 +0400
Subject: [PATCH] Fix error in code

---
 modules/imgproc/src/deriv.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/imgproc/src/deriv.cpp b/modules/imgproc/src/deriv.cpp
index 40cba2dc5c..9d9eb42241 100644
--- a/modules/imgproc/src/deriv.cpp
+++ b/modules/imgproc/src/deriv.cpp
@@ -306,11 +306,11 @@ static bool IPPDerivScharr(InputArray _src, OutputArray _dst, int ddepth, int dx
 #elif (IPP_VERSION_MAJOR >= 7)
 static bool IPPDerivScharr(InputArray _src, OutputArray _dst, int ddepth, int dx, int dy, double scale, double delta, int borderType)
 {
-    if (BORDER_REPLICATE != IppiBorderType)
+    if (BORDER_REPLICATE != borderType)
         return false;
     if ((0 > dx) || (0 > dy) || (1 != dx + dy))
         return false;
-    if (fabs(delta) > 0.0001)
+    if (fabs(delta) > FLT_EPSILON)
         return false;
 
     Mat src = _src.getMat(), dst = _dst.getMat();