Adding optimization enum (empty, only no_opt, for later use)

include/ITANCTC.h

@@ -109,6 +109,10 @@ public:
 	{
 	public:
 
+		enum
+		{
+			OPTIMIZATION_NONE = 0, //!< No optimization in filter design
+		};
 
 		int N;					//!< Number of loudspeakers
 		int iCTCFilterLength;	//!< CTC filter taps, i.e. 4096

src/ITANCTC.cpp

@@ -159,7 +159,7 @@ bool ITANCTC::CalculateFilter( std::vector< ITAHDFTSpectra* >& vpCTCFilter )
 		switch( m_iOptimization )
 		{
 			// Here comes more if ready ... see feature/room_compensation branch
-		case 0:
+		case Config::OPTIMIZATION_NONE:
 			default:
 				if( AddHRIR( GetLoudspeakerPose( n+1 ), m_sfCTC_temp, bOutOfRange ) == false )
 					return false;