/* ------------------------------------------------------------
name: "smoother"
Code generated with Faust 2.20.2 (https://faust.grame.fr)
Compilation options: -lang cpp -scal -ftz 0
------------------------------------------------------------ */

#ifndef  __mydsp_H__
#define  __mydsp_H__

#ifndef FAUSTFLOAT
#define FAUSTFLOAT float
#endif 

#include <algorithm>
#include <cmath>
#include <math.h>


#ifndef FAUSTCLASS 
#define FAUSTCLASS mydsp
#endif

#ifdef __APPLE__ 
#define exp10f __exp10f
#define exp10 __exp10
#endif

class mydsp : public dsp {
	
 private:
	
	int fSampleRate;
	float fConst0;
	FAUSTFLOAT fHslider0;
	float fRec0[2];
	
 public:
	
	void metadata(Meta* m) { 
		m->declare("basics.lib/name", "Faust Basic Element Library");
		m->declare("basics.lib/version", "0.1");
		m->declare("filename", "smoother.dsp");
		m->declare("maths.lib/author", "GRAME");
		m->declare("maths.lib/copyright", "GRAME");
		m->declare("maths.lib/license", "LGPL with exception");
		m->declare("maths.lib/name", "Faust Math Library");
		m->declare("maths.lib/version", "2.1");
		m->declare("name", "smoother");
		m->declare("signals.lib/name", "Faust Signal Routing Library");
		m->declare("signals.lib/version", "0.0");
	}

	virtual int getNumInputs() {
		return 1;
	}
	virtual int getNumOutputs() {
		return 1;
	}
	virtual int getInputRate(int channel) {
		int rate;
		switch ((channel)) {
			case 0: {
				rate = 1;
				break;
			}
			default: {
				rate = -1;
				break;
			}
		}
		return rate;
	}
	virtual int getOutputRate(int channel) {
		int rate;
		switch ((channel)) {
			case 0: {
				rate = 1;
				break;
			}
			default: {
				rate = -1;
				break;
			}
		}
		return rate;
	}
	
	static void classInit(int sample_rate) {
	}
	
	virtual void instanceConstants(int sample_rate) {
		fSampleRate = sample_rate;
		fConst0 = (1.0f / std::min<float>(192000.0f, std::max<float>(1.0f, float(fSampleRate))));
	}
	
	virtual void instanceResetUserInterface() {
		fHslider0 = FAUSTFLOAT(0.0f);
	}
	
	virtual void instanceClear() {
		for (int l0 = 0; (l0 < 2); l0 = (l0 + 1)) {
			fRec0[l0] = 0.0f;
		}
	}
	
	virtual void init(int sample_rate) {
		classInit(sample_rate);
		instanceInit(sample_rate);
	}
	virtual void instanceInit(int sample_rate) {
		instanceConstants(sample_rate);
		instanceResetUserInterface();
		instanceClear();
	}
	
	virtual mydsp* clone() {
		return new mydsp();
	}
	
	virtual int getSampleRate() {
		return fSampleRate;
	}
	
	virtual void buildUserInterface(UI* ui_interface) {
		ui_interface->openVerticalBox("smoother");
		ui_interface->declare(&fHslider0, "1", "");
		ui_interface->addHorizontalSlider("depth", &fHslider0, 0.0f, 0.0f, 0.999000013f, 0.00999999978f);
		ui_interface->closeBox();
	}
	
	virtual void compute(int count, FAUSTFLOAT** inputs, FAUSTFLOAT** outputs) {
		FAUSTFLOAT* input0 = inputs[0];
		FAUSTFLOAT* output0 = outputs[0];
		float fSlow0 = std::exp((0.0f - (fConst0 / float(fHslider0))));
		float fSlow1 = (1.0f - fSlow0);
		for (int i = 0; (i < count); i = (i + 1)) {
			fRec0[0] = ((fSlow0 * fRec0[1]) + (fSlow1 * float(input0[i])));
			output0[i] = FAUSTFLOAT(fRec0[0]);
			fRec0[1] = fRec0[0];
		}
	}

};

#endif