From 2fe3ed75c131c55fbf9179fac619caed31b9e24a Mon Sep 17 00:00:00 2001
From: Vadim Pisarevsky <no@email>
Date: Thu, 11 Aug 2011 22:02:52 +0000
Subject: [PATCH] fixed building retina code on Windows

---
 modules/contrib/src/imagelogpolprojection.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/contrib/src/imagelogpolprojection.cpp b/modules/contrib/src/imagelogpolprojection.cpp
index 84f5940da..cc15090ef 100644
--- a/modules/contrib/src/imagelogpolprojection.cpp
+++ b/modules/contrib/src/imagelogpolprojection.cpp
@@ -362,7 +362,7 @@ bool ImageLogPolProjection::_initLogPolarCortexSampling(const double reductionFa
 
 	//std::cout<<"ImageLogPolProjection::Starting cortex projection"<<std::endl;
 	// compute transformation, get theta and Radius in reagrd of the output sampled pixel
-	double diagonalLenght=sqrt(_outputNBcolumns*_outputNBcolumns+_outputNBrows*_outputNBrows);
+	double diagonalLenght=sqrt((double)(_outputNBcolumns*_outputNBcolumns+_outputNBrows*_outputNBrows));
 	for (unsigned int radiusIndex=0;radiusIndex<_outputNBcolumns;++radiusIndex)
 		for(unsigned int orientationIndex=0;orientationIndex<_outputNBrows;++orientationIndex)
 		{