Appropriate client methods are now const

include/algorithms/public/Envelope.hpp

@@ -59,7 +59,7 @@ class Envelope
     return fast - slow;
   }
 
-  bool initialized() { return mInitialized; }
+  bool initialized() const { return mInitialized; }
 
 private:
   void initFilters(double cutoff)

include/algorithms/public/EnvelopeGate.hpp

@@ -173,8 +173,8 @@ class EnvelopeGate
 
     return result;
   }
-  index getLatency() { return mLatency; }
-  bool  initialized() { return mInitialized; }
+  index getLatency() const { return mLatency; }
+  bool  initialized() const { return mInitialized; }
 
 
 private:

include/algorithms/public/EnvelopeSegmentation.hpp

@@ -59,7 +59,7 @@ class EnvelopeSegmentation
     return detected;
   }
 
-  bool initialized() { return mEnvelope.initialized(); }
+  bool initialized() const { return mEnvelope.initialized(); }
 
 private:
   Envelope mEnvelope;

include/algorithms/public/HPSS.hpp

@@ -151,7 +151,7 @@ class HPSS
     _impl::asEigen<Array>(out).col(2) = buf.col(0) * residualMask.min(1.0);
   }
 
-  bool initialized() { return mInitialized; }
+  bool initialized() const { return mInitialized; }
 
 private:
   ArrayXMap makeThreshold(index nBins, double x1, double y1, double x2,

include/algorithms/public/NMFMorph.hpp

@@ -100,7 +100,7 @@ class NMFMorph
     mInitialized = true;
   }
 
-  bool initialized() { return mInitialized; }
+  bool initialized() const { return mInitialized; }
 
   void processFrame(ComplexVectorView v, double interpolation, Allocator& alloc)
   {

include/algorithms/public/SineExtraction.hpp

@@ -145,7 +145,7 @@ class SineExtraction
 
   void reset() { mCurrentFrame = 0; }
 
-  bool initialized() { return mInitialized; }
+  bool initialized() const { return mInitialized; }
 
 private:
   void computeWindowTransform(index windowSize, index transformSize,

include/algorithms/public/SineFeature.hpp

@@ -77,7 +77,7 @@ class SineFeature
     return maxNumOut;
   }
 
-  bool initialized() { return mInitialized; }
+  bool initialized() const { return mInitialized; }
 
 private:
   PeakDetection mPeakDetection;

include/algorithms/public/TransientExtraction.hpp

@@ -135,7 +135,7 @@ class TransientExtraction
     interpolate(transients.data(), residual.data(), alloc);
   }
 
-  bool initialized() { return mInitialized; }
+  bool initialized() const { return mInitialized; }
 
 private:
   void frame(const double* input, index inSize)

include/algorithms/util/MedianFilter.hpp

@@ -57,7 +57,7 @@ class MedianFilter
 
   index size() { return asSigned(mFilterSize); }
 
-  bool initialized() { return mInitialized; }
+  bool initialized() const { return mInitialized; }
 
 private:
   std::size_t mFilterSize{0};

include/clients/common/FluidBaseClient.hpp

@@ -56,12 +56,12 @@ class FluidBaseClient
   double sampleRate() const noexcept { return mSampleRate; };
   void   sampleRate(double sr) { mSampleRate = sr; }
 
-  const char* getInputLabel(index i)
+  const char* getInputLabel(index i) const
   {
     return i < asSigned(mInputLabels.size()) ? mInputLabels[asUnsigned(i)] : "";
   }
 
-  const char* getOutputLabel(index i)
+  const char* getOutputLabel(index i) const
   {
     return i < asSigned(mOutputLabels.size()) ? mOutputLabels[asUnsigned(i)] : "";
   }
@@ -216,7 +216,7 @@ class ClientWrapper
     mParams.template set(std::forward<T>(x), reportage);
   }
 
-  auto latency() { return mClient.latency(); }
+  auto latency() const { return mClient.latency(); }
 
   index audioChannelsIn() const noexcept { return mClient.audioChannelsIn(); }
   index audioChannelsOut() const noexcept { return mClient.audioChannelsOut(); }
@@ -254,12 +254,12 @@ class ClientWrapper
     mParams = p;
   }
 
-  const char* getInputLabel(index i)
+  const char* getInputLabel(index i) const
   {
     return mClient.getInputLabel(i);
   }
 
-  const char* getOutputLabel(index i)
+  const char* getOutputLabel(index i) const
   {
     return mClient.getOutputLabel(i);
   }

include/clients/common/ParameterSet.hpp

@@ -305,16 +305,16 @@ class ParameterSetView<
   }
 
   template <size_t N>
-  typename ParamType<N>::type applyConstraintsTo(typename ParamType<N>::type x)
+  typename ParamType<N>::type applyConstraintsTo(typename ParamType<N>::type x) const
   {
     const index offset = std::get<N>(std::make_tuple(Os...));
     auto&       constraints = constraint<N>();
     return constrain<offset, N, kAll>(x, constraints, nullptr);
   }
 
-  template <size_t N>
-  auto applyConstraintToMax(index x) -> std::enable_if_t<
-      std::is_same_v<typename ParamType<N>::type, LongRuntimeMaxParam>, index>
+  template <size_t N, typename = std::enable_if_t<
+    std::is_same_v<typename ParamType<N>::type, LongRuntimeMaxParam>, index>>
+  auto applyConstraintToMax(index x) const
   {
     const auto constraints = GetIncreasingConstraints(constraint<N>());
     if constexpr (std::tuple_size<decltype(constraints)>::value)
@@ -465,7 +465,7 @@ class ParameterSetView<
   {} // no-op for non-shared parameter set?
 
   template <size_t N>
-  auto descriptorAt()
+  auto descriptorAt() const
   {
     return descriptor<N>();
   }
@@ -570,7 +570,7 @@ class ParameterSetView<
 
   template <size_t Offset, size_t N, ConstraintTypes C, typename T,
             typename... Constraints>
-  T constrain(T& thisParam, const std::tuple<Constraints...>& c, Result* r)
+  T constrain(T& thisParam, const std::tuple<Constraints...>& c, Result* r) const
   {
     using CT = std::tuple<Constraints...>;
     // clang < 3.7: index_sequence_for doesn't work here
@@ -592,7 +592,7 @@ class ParameterSetView<
   template <size_t Offset, size_t N, typename T, typename Constraints,
             size_t... Is>
   T constrainImpl(T& thisParam, Constraints& c, std::index_sequence<Is...>,
-                  Result* r)
+                  Result* r) const
   {
     T res = thisParam;
     static_cast<void>(r);

include/clients/nrt/FluidSharedInstanceAdaptor.hpp

@@ -160,14 +160,14 @@ class ParamAliasAdaptor<NRTClient, std::tuple<Ts...>>
   }
 
   template<size_t N> 
-  typename ParamType<N>::type applyConstraintsTo(typename ParamType<N>::type x)
+  typename ParamType<N>::type applyConstraintsTo(typename ParamType<N>::type x) const
   {
       return mParams->template applyConstraintsTo<N>(x); 
   }
 
   template <size_t N>
   typename ParamType<N>::type
-  applyConstraintToMax(typename ParamType<N>::type x)
+  applyConstraintToMax(typename ParamType<N>::type x) const
   {
     return mParams->template applyConstraintToMax(x);
   }

include/clients/nrt/KDTreeClient.hpp

@@ -180,7 +180,7 @@ class KDTreeQuery : public FluidBaseClient, ControlIn, ControlOut
     controlChannelsOut({1, 1});
   }
 
-  index latency() { return 0; }
+  index latency() const { return 0; }
 
   template <typename T>
   void process(std::vector<FluidTensorView<T, 1>>& input,

include/clients/nrt/KMeansClient.hpp

@@ -347,7 +347,7 @@ class KMeansQuery : public FluidBaseClient, ControlIn, ControlOut
     }
   }
 
-  index latency() { return 0; }
+  index latency() const { return 0; }
 };
 
 

include/clients/nrt/KNNClassifierClient.hpp

@@ -267,7 +267,7 @@ class KNNClassifierQuery : public FluidBaseClient, ControlIn, ControlOut
     }
   }
 
-  index latency() { return 0; }
+  index latency() const { return 0; }
 };
 
 } // namespace knnclassifier

include/clients/nrt/KNNRegressorClient.hpp

@@ -269,7 +269,7 @@ class KNNRegressorQuery : public FluidBaseClient, ControlIn, ControlOut
     }
   }
 
-  index latency() { return 0; }
+  index latency() const { return 0; }
 };
 
 } // namespace knnregressor

include/clients/nrt/MLPClassifierClient.hpp

@@ -336,7 +336,7 @@ class MLPClassifierQuery : public FluidBaseClient, ControlIn, ControlOut
     }
   }
 
-  index latency() { return 0; }
+  index latency() const { return 0; }
 };
 
 

include/clients/nrt/MLPRegressorClient.hpp

@@ -328,7 +328,7 @@ class MLPRegressorQuery : public FluidBaseClient, ControlIn, ControlOut
     }
   }
 
-  index latency() { return 0; }
+  index latency() const { return 0; }
 };
 
 } // namespace mlpregressor

include/clients/nrt/NormalizeClient.hpp

@@ -246,7 +246,7 @@ class NormalizeQuery : public FluidBaseClient, ControlIn, ControlOut
     }
   }
 
-  index latency() { return 0; }
+  index latency() const { return 0; }
 };
 
 

include/clients/nrt/PCAClient.hpp

@@ -269,7 +269,7 @@ class PCAQuery : public FluidBaseClient, ControlIn, ControlOut
     }
   }
 
-  index latency() { return 0; }
+  index latency() const { return 0; }
 };
 
 

include/clients/nrt/RobustScaleClient.hpp

@@ -242,7 +242,7 @@ class RobustScaleQuery : public FluidBaseClient, ControlIn, ControlOut
     }
   }
 
-  index latency() { return 0; }
+  index latency() const { return 0; }
 };
 
 } // namespace robustscale

include/clients/nrt/SKMeansClient.hpp

@@ -345,7 +345,7 @@ class SKMeansQuery : public FluidBaseClient, ControlIn, ControlOut
     }
   }
 
-  index latency() { return 0; }
+  index latency() const { return 0; }
 };
 
 

include/clients/nrt/StandardizeClient.hpp

@@ -238,7 +238,7 @@ class StandardizeQuery : public FluidBaseClient, ControlIn, ControlOut
     }
   }
 
-  index latency() { return 0; }
+  index latency() const { return 0; }
 };
 
 

include/clients/nrt/UMAPClient.hpp

@@ -236,7 +236,7 @@ class UMAPQuery : public FluidBaseClient, ControlIn, ControlOut
     }
   }
 
-  index latency() { return 0; }
+  index latency() const { return 0; }
 };
 
 } // namespace umap

include/clients/rt/AmpFeatureClient.hpp

@@ -90,7 +90,7 @@ class AmpFeatureClient : public FluidBaseClient, public AudioIn, public AudioOut
               get<kFastRampDownTime>(), get<kSlowRampDownTime>(), hiPassFreq));
     }
   }
-  index latency() { return 0; }
+  index latency() const { return 0; }
 
   void reset(FluidContext&)
   {

include/clients/rt/AmpGateClient.hpp

@@ -119,7 +119,7 @@ class AmpGateClient : public FluidBaseClient, public AudioIn, public AudioOut
                     get<kMinTimeBelowThreshold>(), get<kDownwardLookupTime>());
   }
 
-  index latency()
+  index latency() const
   {
     return std::max(
         get<kMinTimeAboveThreshold>() + get<kUpwardLookupTime>(),

include/clients/rt/AmpSliceClient.hpp

@@ -94,7 +94,7 @@ class AmpSliceClient : public FluidBaseClient, public AudioIn, public AudioOut
           get<kSlowRampDownTime>(), hiPassFreq, get<kDebounce>()));
     }
   }
-  index latency() { return 0; }
+  index latency() const { return 0; }
 
   void reset(FluidContext&)
   {

include/clients/rt/AudioTransportClient.hpp

@@ -89,7 +89,7 @@ class AudioTransportClient : public FluidBaseClient,
     if (output[0].data()) output[0] <<= result;
   }
 
-  index latency() { return get<kFFT>().winSize(); }
+  index latency() const { return get<kFFT>().winSize(); }
   void  reset(FluidContext&) { mBufferedProcess.reset(); }
 
 private:

include/clients/rt/BaseSTFTClient.hpp

@@ -53,7 +53,7 @@ class BaseSTFTClient : public FluidBaseClient, public AudioIn, public AudioOut
     audioChannelsOut(1);
   }
 
-  index latency() { return get<kFFT>().winSize(); }
+  index latency() const { return get<kFFT>().winSize(); }
 
   void reset(FluidContext&) { mSTFTBufferedProcess.reset(); }
 

include/clients/rt/ChromaClient.hpp

@@ -108,7 +108,7 @@ class ChromaClient : public FluidBaseClient, public AudioIn, public ControlOut
     output[0](Slice(nChroma, get<kNChroma>().max() - nChroma)).fill(0);
   }
 
-  index latency() { return get<kFFT>().winSize(); }
+  index latency() const { return get<kFFT>().winSize(); }
 
   void reset(FluidContext const& c)
   {

include/clients/rt/GainClient.hpp

@@ -49,7 +49,7 @@ class GainClient : public FluidBaseClient, public AudioIn, public AudioOut
     audioChannelsOut(1);
   }
 
-  index latency() { return 0; }
+  index latency() const { return 0; }
   void  reset() {}
 
   template <typename T>

include/clients/rt/HPSSClient.hpp

@@ -77,7 +77,7 @@ class HPSSClient : public FluidBaseClient, public AudioIn, public AudioOut
     FluidBaseClient::setOutputLabels({"harmonic component", "percussive component", "residual (in modes 1 & 2)"});
   }
 
-  index latency()
+  index latency() const
   {
     return ((get<kHSize>() - 1) * get<kFFT>().hopSize()) +
            get<kFFT>().winSize();

include/clients/rt/LoudnessClient.hpp

@@ -116,7 +116,7 @@ class LoudnessClient : public FluidBaseClient, public AudioIn, public ControlOut
     output[0](Slice(numOuts, mMaxFeatures - numOuts)).fill(0);
   }
 
-  index latency() { return get<kWindowSize>(); }
+  index latency() const { return get<kWindowSize>(); }
 
   void reset(FluidContext& c)
   {

include/clients/rt/MFCCClient.hpp

@@ -130,7 +130,7 @@ class MFCCClient : public FluidBaseClient, public AudioIn, public ControlOut
       output[0](Slice(nCoefs, get<kNCoefs>().max() - nCoefs)).fill(0);
   }
 
-  index latency() { return get<kFFT>().winSize(); }
+  index latency() const { return get<kFFT>().winSize(); }
 
   void reset(FluidContext& c)
   {

include/clients/rt/MelBandsClient.hpp

@@ -118,7 +118,7 @@ class MelBandsClient : public FluidBaseClient, public AudioIn, public ControlOut
     output[0](Slice(nBands, get<kNBands>().max() - nBands)).fill(0);
   }
 
-  index latency() { return get<kFFT>().winSize(); }
+  index latency() const { return get<kFFT>().winSize(); }
 
   void reset(FluidContext& c)
   {