Adding missing const for interpolation routine methods

src/ITAInterpolation.cpp

@@ -10,7 +10,7 @@ void spline_cubic_set_equidistant( const int n, const float* y, float* ypp );
 // Evaluate cubic spline interpolation point using only base values (y) and second derivatives (ypp) for equidistant data
 float spline_cubic_val_equidistant( const int n, const float fX, const float* y, const float* ypp );
 
-bool CITAVDLLinearInterpolation::Interpolate( const ITASampleBuffer* pInput, int iInputLength, int iInputStartOffset, ITASampleBuffer* pOutput, int iOutputLength, int iOutputOffset /*=0*/ ) const
+bool CITAVDLLinearInterpolation::Interpolate( const ITASampleBuffer* pInput, const int iInputLength, const int iInputStartOffset, ITASampleBuffer* pOutput, const int iOutputLength, const int iOutputOffset /*=0*/ ) const
 {
 
 	assert( pOutput->length() >= iOutputLength + iOutputOffset );
@@ -138,7 +138,7 @@ bool CITAVDLLinearInterpolation::Interpolate( const ITASampleBuffer* pInput, int
 	return false;
 }
 
-bool CITAVDLCubicSplineInterpolation::Interpolate( const ITASampleBuffer* pInput, int iInputLength, int iInputStartOffset, ITASampleBuffer* pOutput, int iOutputLength, int iOutputOffset /*=0*/ ) const
+bool CITAVDLCubicSplineInterpolation::Interpolate( const ITASampleBuffer* pInput, const int iInputLength, const int iInputStartOffset, ITASampleBuffer* pOutput, const int iOutputLength, const int iOutputOffset /*=0*/ ) const
 {
 	// Eingabe validieren
 	assert( iInputStartOffset >= 2 );
@@ -182,7 +182,7 @@ bool CITAVDLCubicSplineInterpolation::Interpolate( const ITASampleBuffer* pInput
 	return true;
 }
 
-bool CITAVDLWindowedSincInterpolation::Interpolate( const ITASampleBuffer* pInput, int iInputLength, int iInputStartOffset, ITASampleBuffer* pOutput, int iOutputLength, int iOutputOffset /*=0*/ ) const
+bool CITAVDLWindowedSincInterpolation::Interpolate( const ITASampleBuffer* pInput, const int iInputLength, const int iInputStartOffset, ITASampleBuffer* pOutput, const int iOutputLength, const int iOutputOffset /*=0*/ ) const
 {
 	// Eingabe validieren
 	assert( iInputStartOffset >= m_iWindowSize / 2 );