Moving material utils code to the right file

src/ITAGeo/Material/Utils.cpp

 #include <ITAGeo/Material/Utils.h>
 #include <ITAException.h>
 
-float ITAGeo::Material::Utils::EstimateFilterLengthSamples( std::shared_ptr< const IMaterial > pMaterial, const float fSampleRate, const float fSpeedOfSound /*= ITAConstants::DEFAULT_SPEED_OF_SOUND_F*/ )
+float ITAGeo::Material::Utils::EstimateFilterLengthSamples( std::shared_ptr<const ITAGeo::Material::IMaterial> pMaterial, const float fSampleRate, const float fSpeedOfSound )
 {
-	ITA_EXCEPT_NOT_IMPLEMENTED;
+	// Allow for the lowest frequency a phase shift of one cycle / return samples of one wave length
+	switch( pMaterial->GetType() )
+	{
+	case( ITAGeo::Material::IMaterial::THIRD_OCTAVE ) :
+	{
+		auto p = std::dynamic_pointer_cast< const ITAGeo::Material::CThirdOctaveMaterial >( pMaterial );
+		const float fFirstCenterFrequency = p->oAbsorptionCoefficients.GetCenterFrequencies()[ 0 ];
+		assert( fFirstCenterFrequency != 0.0f );
+		const float fLambda = fSpeedOfSound / fFirstCenterFrequency;
+		return fLambda * fSampleRate;
+	}
+	}
+
+	// All other cases are considered to not extend any filter length, hence have to estimate
+	return 0.0f;
 }

src/ITAGeo/Utils.cpp

@@ -707,22 +707,3 @@ bool ITAGeoUtils::VistaRaysFromOpenMeshFaceHalfedges( CITAMesh* pMesh, CITAMesh:
 	}
 	return true;
 }
-
-float ITAGeo::Material::Utils::EstimateFilterLengthSamples(std::shared_ptr<const IMaterial> pMaterial, const float fSampleRate, const float fSpeedOfSound)
-{
-	// Allow for the lowest frequency a phase shift of one cycle / return samples of one wave length
-	switch (pMaterial->GetType())
-	{
-	case(IMaterial::THIRD_OCTAVE):
-	{
-		auto p = std::dynamic_pointer_cast<const CThirdOctaveMaterial>(pMaterial);
-		const float fFirstCenterFrequency = p->oAbsorptionCoefficients.GetCenterFrequencies()[0];
-		assert(fFirstCenterFrequency != 0.0f);
-		const float fLambda = fSpeedOfSound / fFirstCenterFrequency;
-		return fLambda * fSampleRate;
-	}
-	}
-
-	// All other cases are considered to not extend any filter length, hence have to estimate
-	return 0.0f;
-}