From e46810eabe266f9d050e9a4e0182be298c1ba762 Mon Sep 17 00:00:00 2001
From: Adrien BAK <adrien.bak@gmail.com>
Date: Thu, 2 Oct 2014 15:24:24 +0900
Subject: [PATCH] this has been submitted to the daily wtf

---
 modules/photo/src/seamless_cloning_impl.cpp | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/modules/photo/src/seamless_cloning_impl.cpp b/modules/photo/src/seamless_cloning_impl.cpp
index e130f841a1..e2cfb64f82 100644
--- a/modules/photo/src/seamless_cloning_impl.cpp
+++ b/modules/photo/src/seamless_cloning_impl.cpp
@@ -93,6 +93,9 @@ void Cloning::dst(const std::vector<double>& mod_diff, std::vector<double>& sine
 
     Mat result;
     int p=0;
+
+    const double factor = 0.5;
+
     for(int i=0;i<w;i++)
     {
         temp.at<float>(0,0) = 0.0;
@@ -119,13 +122,9 @@ void Cloning::dst(const std::vector<double>& mod_diff, std::vector<double>& sine
 
         split(result, planes1);
 
-        std::complex<double> two_i = std::sqrt(std::complex<double>(-1));
-
-        double factor = -2*imag(two_i);
-
         for(int c=1,z=0;c<h+1;c++,z++)
         {
-            res.at<float>(z,0) = (float) (planes1[1].at<float>(c,0)/factor);
+            res.at<float>(z,0) = (float) (planes1[1].at<float>(c,0) * factor);
         }
 
         for(int q=0,z=0;q<h;q++,z++)