Extending license for 2019

include/ITAAtomicOps.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAAtomicPrimitives.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAAudioSample.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAAudiofileCommon.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAAudiofileReader.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAAudiofileWriter.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITABaseDefinitions.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITABlockMath.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITABufferedAudioFileWriter.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAClock.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAConfigUtils.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAConstants.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITACriticalSection.h

@@ -3,7 +3,7 @@
 *
 *		ITA core libs
 *		(c) Copyright Institute of Technical Acoustics (ITA)
-*		RWTH Aachen University, Germany, 2015-2018
+*		RWTH Aachen University, Germany, 2015-2019
 *
 * ----------------------------------------------------------------
 *				    ____  __________  _______

include/ITADataLog.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITADebug.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAEndianness.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAException.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAFade.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAFastMath.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAFileSystemUtils.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAFiniteImpulseResponse.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAFunctors.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAHDFTSpectra.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAHDFTSpectrum.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAHPT.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAISO9613.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAInterpolation.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITALog.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAMagnitudeSpectrum.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAMultichannelFiniteImpulseResponse.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAMutex.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITANumericUtils.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAOps.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITASampleBuffer.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITASampleFrame.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITASampleTypeConversion.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITASimpleConvolution.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITASpectrum.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______
@@ -81,6 +81,9 @@ public:
 	//! Element-wise subtraction
 	void Sub(const CITASpectrum& oOtherSpectrum);
 
+	//! Element-wise inversion (throws ITAException if values are zero)
+	void Invert();
+
 	//! Compare equality of values (ignores center frequencies, but requires matching number of bands)
 	bool CompareEqualValues( const CITASpectrum& oOtherSpectrum, const float fThreshold = 10.0e-10 ) const;
 	

include/ITAStopWatch.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAStringUtils.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAThirdOctaveMagnitudeSpectrum.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITATimeSeriesAnalyzer.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITATimer.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITATypes.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAUncopyable.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAWholeOctaveMagnitudeSpectrum.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

include/ITAWinPCClock.h

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______

src/ITASpectrum.cpp

@@ -105,13 +105,24 @@ void CITASpectrum::Add( const CITASpectrum& oOtherSpectrum )
 		m_vfValues[ n ] += oOtherSpectrum[ int( n ) ];
 }
 
-void CITASpectrum::Sub(const CITASpectrum& oOtherSpectrum)
+void CITASpectrum::Sub( const CITASpectrum& oOtherSpectrum )
 {
-	if (GetNumBands() != oOtherSpectrum.GetNumBands())
-		ITA_EXCEPT1(INVALID_PARAMETER, "Number of bands mismatching, can not sub spectra");
+	if( GetNumBands() != oOtherSpectrum.GetNumBands() )
+		ITA_EXCEPT1( INVALID_PARAMETER, "Number of bands mismatching, can not sub spectra" );
+
+	for( size_t n = 0; n < m_vfValues.size(); n++ )
+		m_vfValues[ n ] -= oOtherSpectrum[ int( n ) ];
+}
 
-	for (size_t n = 0; n < m_vfValues.size(); n++)
-		m_vfValues[n] -= oOtherSpectrum[int(n)];
+void CITASpectrum::Invert()
+{
+	for( size_t n = 0; n < m_vfValues.size(); n++ )
+	{
+		if( m_vfValues[ n ] == 0.0f )
+			ITA_EXCEPT_INVALID_PARAMETER( "Could not invert spectrum, encountered values of zero" );
+		
+		m_vfValues[ n ] = 1.0f / m_vfValues[ n ];
+	}
 }
 
 bool CITASpectrum::CompareEqualValues( const CITASpectrum& oOtherSpectrum, const float fThreshold /*= 10.0e-10 */ ) const

tests/ITABaseSampleBufferTest.cpp

@@ -3,7 +3,7 @@
  *
  *		ITA core libs
  *		(c) Copyright Institute of Technical Acoustics (ITA)
- *		RWTH Aachen University, Germany, 2015-2018
+ *		RWTH Aachen University, Germany, 2015-2019
  *
  * ----------------------------------------------------------------
  *				    ____  __________  _______