Remplacement de abs par fabs (Warning sous SunOS).

Testing/Code/FeatureExtraction/otbOrientationPath.cxx

@@ -20,6 +20,8 @@
 #pragma warning ( disable : 4786 )
 #endif
 
+#include <math.h>
+
 #include "otbOrientationPathFunction.h"
 #include "itkPolyLineParametricPath.h"
 #include "itkExceptionObject.h"
@@ -55,7 +57,7 @@ int otbOrientationPath( int argc, char * argv[] )
 	RealType ResultTheta = function->Evaluate();
 	std::cout.precision(10);
 	std::cout << "Orientation found : " << ResultTheta <<std::endl;
-	if( abs(ResultTheta-Theta)>=10e-15)
+	if( fabs(static_double<double>(ResultTheta-Theta))>=10e-15)
 	{
 		std::cout << "Error in Theta estimation:" <<(ResultTheta-Theta)<<std::endl;
 		return EXIT_FAILURE;