コード例 #1
0
TTErr TukeyWindow::test(TTValue& returnedTestInfo)
{
	int					errorCount = 0;
	int					testAssertionCount = 0;
	int					badSampleCount = 0;
	TTAudioObjectBasePtr	windowObject = NULL;
	TTAudioSignalPtr	input = NULL;
	TTAudioSignalPtr	output = NULL;
	int					N = 128;
	TTValue				v;
	TTFloat64			testAlpha = 0.5;
	
	// setup windowObject
	TTObjectBaseInstantiate(TT("WindowFunction"), &windowObject, TTValue(1));
	windowObject->setAttributeValue(TT("function"), TT("tukey"));
	windowObject->setAttributeValue(TT("mode"), TT("apply"));
	
	// set the value for alpha
	windowObject->setAttributeValue(TT("alpha"), testAlpha);
	TTTestLog("alpha was set to %.10f for test", testAlpha);
	
	// create 1 channel audio signal objects
	TTObjectBaseInstantiate(kTTSym_audiosignal, &input, 1);
	TTObjectBaseInstantiate(kTTSym_audiosignal, &output, 1);
	input->allocWithVectorSize(N);
	output->allocWithVectorSize(N);
									
	// create a signal to be transformed and then process it)
	input->fill(1.0);
	windowObject->process(input, output);
	
	// now test the output
	for (int n=0; n<N; n++)
	{
		TTBoolean result = !TTTestFloatEquivalence(output->mSampleVectors[0][n], sTukeyWindowCoefficients128[n]);
		badSampleCount += result;
		if (result) 
			TTTestLog("BAD SAMPLE @ n=%i ( value=%.10f	expected=%.10f )", n, output->mSampleVectors[0][n], sTukeyWindowCoefficients128[n]);
	}
	
	TTTestAssertion("Produces correct window coefficients", 
					badSampleCount == 0,
					testAssertionCount, 
					errorCount);
	if (badSampleCount)
		TTTestLog("badSampleCount is %i", badSampleCount);
	
	
	TTObjectBaseRelease(&input);
	TTObjectBaseRelease(&output);
	TTObjectBaseRelease(&windowObject);

	
	// wrap up test results and pass back to whoever called test
	return TTTestFinish(testAssertionCount, errorCount, returnedTestInfo);

}
コード例 #2
0
TTErr TTAudioObjectBase::defaultCalculateMethod(const TTFloat64& x, TTFloat64& y, TTPtr data)
{
	TTAudioSignalPtr	in;
	TTAudioSignalPtr	out;
	TTErr				err;
	
	TTObjectBaseInstantiate(kTTSym_audiosignal, &in, 1);
	TTObjectBaseInstantiate(kTTSym_audiosignal, &out, 1);
	
	in->allocWithVectorSize(1);
	out->allocWithVectorSize(1);
	
	in->mSampleVectors[0][0] = x;
	err = process(in, out);
	y = out->mSampleVectors[0][0];
	
	TTObjectBaseRelease(&in);
	TTObjectBaseRelease(&out);

	return err;
}
コード例 #3
0
ファイル: TTGain.test.cpp プロジェクト: RWelsh/JamomaDSP
TTErr TTGain::test(TTValue& returnedTestInfo)
{
	// preliminary setup
	
	int	errorCount = 0;
	int testAssertionCount = 0;
	
	TTTestLog("Testing Parameter value conversions");
	
	
	// N test assertions
	
	// Test 1: trival value conversion
	this->setAttributeValue(TT("midiGain"), 100);
	TTTestAssertion("midi gain of 100 == linear gain of 1.", 
					TTTestFloatEquivalence(this->mGain, 1.0), 
					testAssertionCount, 
					errorCount);
	
	// Test 2: trival value conversion
	this->setAttributeValue(TT("midiGain"), 99);
	TTTestAssertion("midi gain of 99 != linear gain of 1.", 
					TTTestFloatEquivalence(this->mGain, 1.0, false), 
					testAssertionCount, 
					errorCount);
	
	// Test 3: audio test
	// set the input signals 1
	// apply -6 dB gain
	// check that the signals are properly scaled
	
	TTAudioSignalPtr input = NULL;
	TTAudioSignalPtr output = NULL;
	
	// create 1 channel audio signal objects
	TTObjectInstantiate(kTTSym_audiosignal, &input, 1);
	TTObjectInstantiate(kTTSym_audiosignal, &output, 1);
	
	input->allocWithVectorSize(64);
	output->allocWithVectorSize(64);
	
	for (int i=0; i<64; i++)
		input->mSampleVectors[0][i] = 1.0;
	
	this->setAttributeValue(TT("gain"), -6.0);
	this->process(input, output);
	
	TTSampleValuePtr samples = output->mSampleVectors[0];
	int validSampleCount = 0;
	
	for (int i=0; i<64; i++) {
		validSampleCount += TTTestFloatEquivalence(0.5011872336272722, samples[i]);
	}
	TTTestAssertion("accumulated audio error at gain = -6 dB", 
					validSampleCount == 64, 
					testAssertionCount, 
					errorCount);
	TTTestLog("Numbe of bad samples: %i", 64-validSampleCount);
	
	TTObjectRelease(&input);
	TTObjectRelease(&output);
	
	
	// Wrap up the test results to pass back to whoever called this test
	return TTTestFinish(testAssertionCount, errorCount, returnedTestInfo);
}
コード例 #4
0
TTErr TTSmoothPolynomialFunction::test(TTValue& returnedTestInfo)
{
	int					errorCount = 0;
	int					testAssertionCount = 0;
	int					badSampleCount = 0;
	TTAudioSignalPtr	input = NULL;
	TTAudioSignalPtr	output = NULL;
	int					N = 128;
	TTValue				v;
	

TTFloat64 inputSignal1[128] = {
	0.0000000000000000e+00, 
	7.8740157480314960e-03, 
	1.5748031496062992e-02, 
	2.3622047244094488e-02, 
	3.1496062992125984e-02, 
	3.9370078740157480e-02, 
	4.7244094488188976e-02, 
	5.5118110236220472e-02, 
	6.2992125984251968e-02, 
	7.0866141732283464e-02, 
	7.8740157480314960e-02, 
	8.6614173228346455e-02, 
	9.4488188976377951e-02, 
	1.0236220472440945e-01, 
	1.1023622047244094e-01, 
	1.1811023622047244e-01, 
	1.2598425196850394e-01, 
	1.3385826771653545e-01, 
	1.4173228346456693e-01, 
	1.4960629921259844e-01, 
	1.5748031496062992e-01, 
	1.6535433070866143e-01, 
	1.7322834645669291e-01, 
	1.8110236220472442e-01, 
	1.8897637795275590e-01, 
	1.9685039370078741e-01, 
	2.0472440944881889e-01, 
	2.1259842519685040e-01, 
	2.2047244094488189e-01, 
	2.2834645669291340e-01, 
	2.3622047244094488e-01, 
	2.4409448818897639e-01, 
	2.5196850393700787e-01, 
	2.5984251968503935e-01, 
	2.6771653543307089e-01, 
	2.7559055118110237e-01, 
	2.8346456692913385e-01, 
	2.9133858267716534e-01, 
	2.9921259842519687e-01, 
	3.0708661417322836e-01, 
	3.1496062992125984e-01, 
	3.2283464566929132e-01, 
	3.3070866141732286e-01, 
	3.3858267716535434e-01, 
	3.4645669291338582e-01, 
	3.5433070866141730e-01, 
	3.6220472440944884e-01, 
	3.7007874015748032e-01, 
	3.7795275590551181e-01, 
	3.8582677165354329e-01, 
	3.9370078740157483e-01, 
	4.0157480314960631e-01, 
	4.0944881889763779e-01, 
	4.1732283464566927e-01, 
	4.2519685039370081e-01, 
	4.3307086614173229e-01, 
	4.4094488188976377e-01, 
	4.4881889763779526e-01, 
	4.5669291338582679e-01, 
	4.6456692913385828e-01, 
	4.7244094488188976e-01, 
	4.8031496062992124e-01, 
	4.8818897637795278e-01, 
	4.9606299212598426e-01, 
	5.0393700787401574e-01, 
	5.1181102362204722e-01, 
	5.1968503937007871e-01, 
	5.2755905511811019e-01, 
	5.3543307086614178e-01, 
	5.4330708661417326e-01, 
	5.5118110236220474e-01, 
	5.5905511811023623e-01, 
	5.6692913385826771e-01, 
	5.7480314960629919e-01, 
	5.8267716535433067e-01, 
	5.9055118110236215e-01, 
	5.9842519685039375e-01, 
	6.0629921259842523e-01, 
	6.1417322834645671e-01, 
	6.2204724409448819e-01, 
	6.2992125984251968e-01, 
	6.3779527559055116e-01, 
	6.4566929133858264e-01, 
	6.5354330708661412e-01, 
	6.6141732283464572e-01, 
	6.6929133858267720e-01, 
	6.7716535433070868e-01, 
	6.8503937007874016e-01, 
	6.9291338582677164e-01, 
	7.0078740157480313e-01, 
	7.0866141732283461e-01, 
	7.1653543307086609e-01, 
	7.2440944881889768e-01, 
	7.3228346456692917e-01, 
	7.4015748031496065e-01, 
	7.4803149606299213e-01, 
	7.5590551181102361e-01, 
	7.6377952755905509e-01, 
	7.7165354330708658e-01, 
	7.7952755905511806e-01, 
	7.8740157480314965e-01, 
	7.9527559055118113e-01, 
	8.0314960629921262e-01, 
	8.1102362204724410e-01, 
	8.1889763779527558e-01, 
	8.2677165354330706e-01, 
	8.3464566929133854e-01, 
	8.4251968503937003e-01, 
	8.5039370078740162e-01, 
	8.5826771653543310e-01, 
	8.6614173228346458e-01, 
	8.7401574803149606e-01, 
	8.8188976377952755e-01, 
	8.8976377952755903e-01, 
	8.9763779527559051e-01, 
	9.0551181102362199e-01, 
	9.1338582677165359e-01, 
	9.2125984251968507e-01, 
	9.2913385826771655e-01, 
	9.3700787401574803e-01, 
	9.4488188976377951e-01, 
	9.5275590551181100e-01, 
	9.6062992125984248e-01, 
	9.6850393700787396e-01, 
	9.7637795275590555e-01, 
	9.8425196850393704e-01, 
	9.9212598425196852e-01, 
	1.0000000000000000e+00	
};

	
TTFloat64 expectedSignal1[128] = { 
		0.0000000000000000e+00, 
		4.8244209039635314e-06, 
		3.8138443955198070e-05, 
		1.2718493906995618e-04, 
		2.9786651631526754e-04, 
		5.7476731875201535e-04, 
		9.8117481527801352e-04, 
		1.5391015934710839e-03, 
		2.2693071524321311e-03, 
		3.1913196956282223e-03, 
		4.3234579237356610e-03, 
		5.6828528274830668e-03, 
		7.2854694804944482e-03, 
		9.1461288321322883e-03, 
		1.1278529500340605e-02, 
		1.3695269564488044e-02, 
		1.6407868358210953e-02, 
		1.9426788262256446e-02, 
		2.2761456497325496e-02, 
		2.6420286916916010e-02, 
		3.0410701800165873e-02, 
		3.4739153644696097e-02, 
		3.9411146959453816e-02, 
		4.4431260057555426e-02, 
		4.9803166849129596e-02, 
		5.5529658634160470e-02, 
		6.1612665895330529e-02, 
		6.8053280090863921e-02, 
		7.4851775447369331e-02, 
		8.2007630752683164e-02, 
		8.9519551148712656e-02, 
		9.7385489924278826e-02, 
		1.0560267030795963e-01, 
		1.1416760726093299e-01, 
		1.2307612926982006e-01, 
		1.3232340013952798e-01, 
		1.4190394078609317e-01, 
		1.5181165102952443e-01, 
		1.6203983138664596e-01, 
		1.7258120486394016e-01, 
		1.8342793875039137e-01, 
		1.9457166641032828e-01, 
		2.0600350907626741e-01, 
		2.1771409764175598e-01, 
		2.2969359445421497e-01, 
		2.4193171510778244e-01, 
		2.5441775023615654e-01, 
		2.6714058730543810e-01, 
		2.8008873240697457e-01, 
		2.9325033205020234e-01, 
		3.0661319495549044e-01, 
		3.2016481384698270e-01, 
		3.3389238724544185e-01, 
		3.4778284126109205e-01, 
		3.6182285138646236e-01, 
		3.7599886428922880e-01, 
		3.9029711960505920e-01, 
		4.0470367173045396e-01, 
		4.1920441161559163e-01, 
		4.3378508855717035e-01, 
		4.4843133199125074e-01, 
		4.6312867328610041e-01, 
		4.7786256753503586e-01, 
		4.9261841534926576e-01, 
		5.0738158465073435e-01, 
		5.2213743246496436e-01, 
		5.3687132671389948e-01, 
		5.5156866800874915e-01, 
		5.6621491144282976e-01, 
		5.8079558838440848e-01, 
		5.9529632826954604e-01, 
		6.0970288039494136e-01, 
		6.2400113571077132e-01, 
		6.3817714861353769e-01, 
		6.5221715873890806e-01, 
		6.6610761275455821e-01, 
		6.7983518615301786e-01, 
		6.9338680504450978e-01, 
		7.0674966794979754e-01, 
		7.1991126759302526e-01, 
		7.3285941269456178e-01, 
		7.4558224976384357e-01, 
		7.5806828489221756e-01, 
		7.7030640554578467e-01, 
		7.8228590235824358e-01, 
		7.9399649092373314e-01, 
		8.0542833358967236e-01, 
		8.1657206124960879e-01, 
		8.2741879513605987e-01, 
		8.3796016861335465e-01, 
		8.4818834897047601e-01, 
		8.5809605921390641e-01, 
		8.6767659986047230e-01, 
		8.7692387073018008e-01, 
		8.8583239273906678e-01, 
		8.9439732969204044e-01, 
		9.0261451007572102e-01, 
		9.1048044885128654e-01, 
		9.1799236924731620e-01, 
		9.2514822455263168e-01, 
		9.3194671990913625e-01, 
		9.3838733410466979e-01, 
		9.4447034136584040e-01, 
		9.5019683315087100e-01, 
		9.5556873994244551e-01, 
		9.6058885304054709e-01, 
		9.6526084635530474e-01, 
		9.6958929819983375e-01, 
		9.7357971308308588e-01, 
		9.7723854350267647e-01, 
		9.8057321173774348e-01, 
		9.8359213164178971e-01, 
		9.8630473043551437e-01, 
		9.8872147049965875e-01, 
		9.9085387116786894e-01, 
		9.9271453051950509e-01, 
		9.9431714717251651e-01, 
		9.9567654207626521e-01, 
		9.9680868030437164e-01, 
		9.9773069284756843e-01, 
		9.9846089840652841e-01, 
		9.9901882518472185e-01, 
		9.9942523268124717e-01, 
		9.9970213348368553e-01, 
		9.9987281506093062e-01, 
		9.9996186155604327e-01, 
		9.9999517557909634e-01, 
		1.0000000000000000e+00
		};	
	
	// setup Function 
	this->setAttributeValue(TT("function"), TT("smoothPolynomial"));

	
	// create 1 channel audio signal objects
	TTObjectInstantiate(kTTSym_audiosignal, &input, 1);
	TTObjectInstantiate(kTTSym_audiosignal, &output, 1);
	input->allocWithVectorSize(N);
	output->allocWithVectorSize(N);
	
	// create a signal to be transformed and then process it)
	input->clear();	
	for (int i=0; i<N; i++)
		input->mSampleVectors[0][i] = inputSignal1[i]; 
	
	this->process(input, output);
	
	// now test the output
	for (int n=0; n<N; n++)
	{
		TTBoolean result = !TTTestFloatEquivalence(output->mSampleVectors[0][n], expectedSignal1[n]);
		badSampleCount += result;
		if (result) 
			TTTestLog("BAD SAMPLE @ n=%i ( value=%.10f	expected=%.10f )", n, output->mSampleVectors[0][n], expectedSignal1[n]);
	}
	
	TTTestAssertion("Produces correct function values", 
					badSampleCount == 0,
					testAssertionCount, 
					errorCount);
	if (badSampleCount)
		TTTestLog("badSampleCount is %i", badSampleCount);
	
	
	TTObjectRelease(&input);
	TTObjectRelease(&output);
	
	// wrap up test results and pass back to whoever called test
	return TTTestFinish(testAssertionCount, errorCount, returnedTestInfo);
	
}
TTErr RosenbergGlottalPulseWindow::test(TTValue& returnedTestInfo)
{
	int					errorCount = 0;
	int					testAssertionCount = 0;
	
	TTAudioObjectBasePtr	windowObject = NULL;
	
	TTAudioSignalPtr	input = NULL;
	TTAudioSignalPtr	output = NULL;
	
	int					N = 101;
	TTValue				v, aReturnWeDontCareAbout;
	
	// create the object, keep the default ratio parameter
	TTObjectBaseInstantiate(TT("WindowFunction"), &windowObject, TTValue(1));
	windowObject->setAttributeValue(TT("function"), TT("rosenbergGlottalPulse"));
	windowObject->setAttributeValue(TT("mode"), TT("apply"));
	
	// create 1 channel audio signal objects
	TTObjectBaseInstantiate(kTTSym_audiosignal, &input, 1);
	TTObjectBaseInstantiate(kTTSym_audiosignal, &output, 1);
	input->allocWithVectorSize(N);
	output->allocWithVectorSize(N);
	
	// create a signal to be transformed, and then process it
	input->fill(1.0);
	windowObject->process(input, output);
		
	// now test the output
	int	badSampleCount = 0;
	for (int n=0; n<N; n++) {
		TTBoolean result = !TTTestFloatEquivalence(output->mSampleVectors[0][n], expectedResult1[n]);
		badSampleCount += result;
		if (result)
			TTTestLog("BAD SAMPLE @ n=%i  ( value=%.10f   expected=%.10f )", n, output->mSampleVectors[0][n], expectedResult1[n]);
	}

	TTTestAssertion("Produces correct window shape for with default ratio attribute", 
					badSampleCount == 0, 
					testAssertionCount, 
					errorCount);
	if (badSampleCount)
		TTTestLog("badSampleCount is %i", badSampleCount);
	
	v.resize(2);
	v.set(0, TT("ratio"));
	v.set(1, 0.8);
	windowObject->sendMessage(TT("setParameter"), v, aReturnWeDontCareAbout);
	
	// Again create a signal to be transformed, and then process it
	input->fill(1.0);
	windowObject->process(input, output);
	
	// now test the output
	badSampleCount = 0;
	for (int n=0; n<N; n++) {
		TTBoolean result = !TTTestFloatEquivalence(output->mSampleVectors[0][n], expectedResult2[n]);
		badSampleCount += result;
		if (result)
			TTTestLog("BAD SAMPLE @ n=%i  ( value=%.10f   expected=%.10f )", n, output->mSampleVectors[0][n], expectedResult2[n]);
	}
	
	TTTestAssertion("Produces correct window shape for with ratio set to 0.8",
					badSampleCount == 0,
					testAssertionCount,
					errorCount);
	if (badSampleCount)
		TTTestLog("badSampleCount is %i", badSampleCount);
	
	
	TTObjectBaseRelease(&input);
	TTObjectBaseRelease(&output);
	TTObjectBaseRelease(&windowObject);
	
	// Wrap up the test results to pass back to whoever called this test
	return TTTestFinish(testAssertionCount, errorCount, returnedTestInfo);
}
コード例 #6
0
ファイル: TTSpatSnap.test.cpp プロジェクト: EQ4/JamomaCore
TTErr TTSpatSnap::testAudioProcessing(int& aTestAssertionCount, int& anErrorCount, TTValue& aReturnedTestInfo)
{
	TTAudioSignalPtr input = NULL;
	TTAudioSignalPtr output = NULL;
	
	// create audio signal objects
	TTObjectBaseInstantiate(kTTSym_audiosignal, &input, 7);
	TTObjectBaseInstantiate(kTTSym_audiosignal, &output, 5);
	
	input->allocWithVectorSize(64);
	output->allocWithVectorSize(64);
	
	for (TTInt16 sample=0; sample<64; sample++)
		input->mSampleVectors[0][sample] = 1.0;
	
	for (TTInt16 sample=0; sample<64; sample++)
		input->mSampleVectors[1][sample] = 2.0;
	
	for (TTInt16 sample=0; sample<64; sample++)
		input->mSampleVectors[2][sample] = 4.0;
	
	for (TTInt16 sample=0; sample<64; sample++)
		input->mSampleVectors[3][sample] = 8.0;
	
	for (TTInt16 sample=0; sample<64; sample++)
		input->mSampleVectors[4][sample] = 16.0;
	
	for (TTInt16 sample=0; sample<64; sample++)
		input->mSampleVectors[5][sample] = 32.0;
	
	for (TTInt16 sample=0; sample<64; sample++)
		input->mSampleVectors[6][sample] = 64.0;
	
	this->process(input, output);
	
	
	// Test processed audio
	TTTestLog("");
	
	// Sink 1 receieves signal fra source 2, 6 and 7: Expected value equals 2. + 32. +64. = 98.
	
	int validSampleCount = 0;
	TTSampleValuePtr samples = output->mSampleVectors[0];
	
	for (int i=0; i<64; i++) {
		validSampleCount += TTTestFloatEquivalence(98., samples[i]);
	}
	TTTestAssertion("Correct audio signal processed to sink 1",
					validSampleCount == 64,
					aTestAssertionCount,
					anErrorCount);
	TTTestLog("Number of bad samples: %i", 64-validSampleCount);
	
	// Sink 2 receieves signal fra source 3: Expected value equals 4.
	
	validSampleCount = 0;
	samples = output->mSampleVectors[1];
	
	for (int i=0; i<64; i++) {
		validSampleCount += TTTestFloatEquivalence(4., samples[i]);
	}
	TTTestAssertion("Correct audio signal processed to sink 2",
					validSampleCount == 64,
					aTestAssertionCount,
					anErrorCount);
	TTTestLog("Number of bad samples: %i", 64-validSampleCount);
	
	// Sink 3 receieves signal fra source 4: Expected value equals 8.
	
	validSampleCount = 0;
	samples = output->mSampleVectors[2];
	
	for (int i=0; i<64; i++) {
		validSampleCount += TTTestFloatEquivalence(8., samples[i]);
	}
	TTTestAssertion("Correct audio signal processed to sink 3",
					validSampleCount == 64,
					aTestAssertionCount,
					anErrorCount);
	TTTestLog("Number of bad samples: %i", 64-validSampleCount);
	
	// Sink 4 receieves signal fra source 5: Expected value equals 16.
	
	validSampleCount = 0;
	samples = output->mSampleVectors[3];
	
	for (int i=0; i<64; i++) {
		validSampleCount += TTTestFloatEquivalence(16., samples[i]);
	}
	TTTestAssertion("Correct audio signal processed to sink 4",
					validSampleCount == 64,
					aTestAssertionCount,
					anErrorCount);
	TTTestLog("Number of bad samples: %i", 64-validSampleCount);
	
	// Sink 5 receieves signal fra source 1: Expected value equals 1.
	
	validSampleCount = 0;
	samples = output->mSampleVectors[4];
	
	for (int i=0; i<64; i++) {
		validSampleCount += TTTestFloatEquivalence(1., samples[i]);
	}
	TTTestAssertion("Correct audio signal processed to sink 5",
					validSampleCount == 64,
					aTestAssertionCount,
					anErrorCount);
	TTTestLog("Number of bad samples: %i", 64-validSampleCount);
	
	TTObjectBaseRelease(&input);
	TTObjectBaseRelease(&output);
	
	return kTTErrNone;
}
コード例 #7
0
TTErr TTRamp::test(TTValue& returnedTestInfo)
{
	int					errorCount = 0;
	int					testAssertionCount = 0;
	int					badSampleCount = 0;
	int					badSampleCountTotal = 0;
	TTAudioSignalPtr	output = NULL;
	
	// create 1 channel audio signal objects
	TTObjectBaseInstantiate(kTTSym_audiosignal, &output, 1);
	output->allocWithVectorSize(64);
	
	// setup the generator
	this->setAttributeValue(TT("destinationValue"), 1.0);
	this->setAttributeValue(TT("startValue"), 0.0);
	this->setAttributeValue(TT("mode"), TT("sample"));
	this->setAttributeValue(TT("rampTime"), 64000.0/sr);
	this->process(output);
	

	// created with Octave: sig = linspace(0,1,64) 
	TTFloat64 expectedSignalTest1[64] = {
		0.0000000000000000e+00,
		1.5873015873015872e-02,
		3.1746031746031744e-02,
		4.7619047619047616e-02,
		6.3492063492063489e-02,
		7.9365079365079361e-02,
		9.5238095238095233e-02,
		1.1111111111111110e-01,
		1.2698412698412698e-01,
		1.4285714285714285e-01,
		1.5873015873015872e-01,
		1.7460317460317459e-01,
		1.9047619047619047e-01,
		2.0634920634920634e-01,
		2.2222222222222221e-01,
		2.3809523809523808e-01,
		2.5396825396825395e-01,
		2.6984126984126983e-01,
		2.8571428571428570e-01,
		3.0158730158730157e-01,
		3.1746031746031744e-01,
		3.3333333333333331e-01,
		3.4920634920634919e-01,
		3.6507936507936506e-01,
		3.8095238095238093e-01,
		3.9682539682539680e-01,
		4.1269841269841268e-01,
		4.2857142857142855e-01,
		4.4444444444444442e-01,
		4.6031746031746029e-01,
		4.7619047619047616e-01,
		4.9206349206349204e-01,
		5.0793650793650791e-01,
		5.2380952380952384e-01,
		5.3968253968253965e-01,
		5.5555555555555558e-01,
		5.7142857142857140e-01,
		5.8730158730158732e-01,
		6.0317460317460314e-01,
		6.1904761904761907e-01,
		6.3492063492063489e-01,
		6.5079365079365081e-01,
		6.6666666666666663e-01,
		6.8253968253968256e-01,
		6.9841269841269837e-01,
		7.1428571428571430e-01,
		7.3015873015873012e-01,
		7.4603174603174605e-01,
		7.6190476190476186e-01,
		7.7777777777777779e-01,
		7.9365079365079361e-01,
		8.0952380952380953e-01,
		8.2539682539682535e-01,
		8.4126984126984128e-01,
		8.5714285714285710e-01,
		8.7301587301587302e-01,
		8.8888888888888884e-01,
		9.0476190476190477e-01,
		9.2063492063492058e-01,
		9.3650793650793651e-01,
		9.5238095238095233e-01,
		9.6825396825396826e-01,
		9.8412698412698407e-01,
		1.0000000000000000e+00		
	};
	
	for (int i=0; i<64; i++) {
		TTBoolean result = !TTTestFloatEquivalence(output->mSampleVectors[0][i], expectedSignalTest1[i]);
		badSampleCount += result;
		if (result)
			//TTTestLog("BAD SAMPLE @ i=%i  ( value=%.10f   expected=%.10f )", i, output->mSampleVectors[0][i], expectedSignalTest1[i]);
            std::cout << "BAD SAMPLE @ n=" << i << " ( value=" << output->mSampleVectors[0][i] << " expected=" << expectedSignalTest1[i] << " )\n";
	}
    
	TTTestAssertion("Test 1: Produces correct ramp from 0 to 1 when a positive Frequency is defined", 
					badSampleCount == 0, 
					testAssertionCount, 
					errorCount);
    
	if (badSampleCount)
		//TTTestLog("badSampleCount is %i", badSampleCount);
        std::cout << "badSampleCount is " << badSampleCount << "\n";
	
	badSampleCountTotal += badSampleCount;
	//reinitializing for next test
	badSampleCount = 0;
	
	// Second test: now the ramp goes from 1 to 0
	
	// setup the generator
	
	this->setAttributeValue(TT("startValue"), 1.0);
	this->setAttributeValue(TT("destinationValue"), 0.0);
	this->setAttributeValue(TT("mode"), TT("sample"));
	this->setAttributeValue(TT("rampTime"), 64000.0/sr); 
	this->process(output);
	// created with Octave: linspace(1,0,64) 
	TTFloat64 expectedSignalTest2[64] = {
		1.0000000000000000e+00,
		9.8412698412698418e-01,
		9.6825396825396826e-01,
		9.5238095238095233e-01,
		9.3650793650793651e-01,
		9.2063492063492069e-01,
		9.0476190476190477e-01,
		8.8888888888888884e-01,
		8.7301587301587302e-01,
		8.5714285714285721e-01,
		8.4126984126984128e-01,
		8.2539682539682535e-01,
		8.0952380952380953e-01,
		7.9365079365079372e-01,
		7.7777777777777779e-01,
		7.6190476190476186e-01,
		7.4603174603174605e-01,
		7.3015873015873023e-01,
		7.1428571428571430e-01,
		6.9841269841269837e-01,
		6.8253968253968256e-01,
		6.6666666666666674e-01,
		6.5079365079365081e-01,
		6.3492063492063489e-01,
		6.1904761904761907e-01,
		6.0317460317460325e-01,
		5.8730158730158732e-01,
		5.7142857142857140e-01,
		5.5555555555555558e-01,
		5.3968253968253976e-01,
		5.2380952380952384e-01,
		5.0793650793650791e-01,
		4.9206349206349209e-01,
		4.7619047619047616e-01,
		4.6031746031746035e-01,
		4.4444444444444442e-01,
		4.2857142857142860e-01,
		4.1269841269841268e-01,
		3.9682539682539686e-01,
		3.8095238095238093e-01,
		3.6507936507936511e-01,
		3.4920634920634919e-01,
		3.3333333333333337e-01,
		3.1746031746031744e-01,
		3.0158730158730163e-01,
		2.8571428571428570e-01,
		2.6984126984126988e-01,
		2.5396825396825395e-01,
		2.3809523809523814e-01,
		2.2222222222222221e-01,
		2.0634920634920639e-01,
		1.9047619047619047e-01,
		1.7460317460317465e-01,
		1.5873015873015872e-01,
		1.4285714285714290e-01,
		1.2698412698412698e-01,
		1.1111111111111116e-01,
		9.5238095238095233e-02,
		7.9365079365079416e-02,
		6.3492063492063489e-02,
		4.7619047619047672e-02,
		3.1746031746031744e-02,
		1.5873015873015928e-02,
		0.0000000000000000e+00
	};
	
	for (int i=0; i<64; i++) {
		TTBoolean result = !TTTestFloatEquivalence(output->mSampleVectors[0][i], expectedSignalTest2[i]);
		badSampleCount += result;
		if (result)
			//TTTestLog("BAD SAMPLE @ i=%i  ( value=%.10f   expected=%.10f )", i, output->mSampleVectors[0][i], expectedSignalTest2[i]);
            std::cout << "BAD SAMPLE @ n=" << i << " ( value=" << output->mSampleVectors[0][i] << " expected=" << expectedSignalTest2[i] << " )\n";
	}
	
	TTTestAssertion("Test 2: Produces correct ramp from 1 to 0 when a negative Frequency is defined", 
					badSampleCount == 0,
					testAssertionCount, 
					errorCount);
    
	if (badSampleCount)
		//TTTestLog("badSampleCount is %i", badSampleCount);
        std::cout << "badSampleCount is " << badSampleCount << "\n";
	
	badSampleCountTotal += badSampleCount;
	//reinitializing for next test
	badSampleCount = 0;
	
	
	// Finish //
	
	// Total number of bad samples:
	if (badSampleCountTotal)
		TTTestLog("badSampleCountTotal is %i", badSampleCountTotal);
	
	TTObjectBaseRelease(&output);
	
	
	// Wrap up the test results to pass back to whoever called this test
	return TTTestFinish(testAssertionCount, errorCount, returnedTestInfo);
}
コード例 #8
0
TTErr KaiserWindow::test(TTValue& returnedTestInfo)
{
	int					errorCount = 0;
	int					testAssertionCount = 0;
	int					badSampleCount = 0;
	TTAudioObjectBasePtr	windowObject = NULL;
	TTAudioSignalPtr	input = NULL;
	TTAudioSignalPtr	output = NULL;
	int					N = 128;
	TTValue				v, aReturnWeDontCareAbout;
	
	// create the object and set the beta parameter
	TTObjectBaseInstantiate(TT("WindowFunction"), &windowObject, TTValue(1));
	windowObject->setAttributeValue(TT("function"), TT("kaiser"));
	windowObject->setAttributeValue(TT("mode"), TT("apply"));
	
	v.resize(2);
	v[0] = TT("beta");
	v[1] = 6.0;
	windowObject->sendMessage(TT("setParameter"), v, aReturnWeDontCareAbout);
	
	TTTestAssertion("Internal intermediate value 1 (zeroth-order bessel fn of the first kind, taken of beta = 6.0) is correct.",
					TTTestFloatEquivalence(((KaiserWindow*)((WindowFunction*)windowObject)->mFunctionObject)->mBesselIOofBeta, 67.2344069764780),
					testAssertionCount,
					errorCount);
	
	// change the alpha parameter and test Bessel function again
	v.resize(2);
	v[0] = TT("alpha");
	v[1] = 2.0;
	windowObject->sendMessage(TT("setParameter"), v, aReturnWeDontCareAbout);
	
	TTTestAssertion("Internal intermediate value 2 (zeroth-order bessel fn of the first kind, taken of alpha = 2) is correct.",
					TTTestFloatEquivalence(((KaiserWindow*)((WindowFunction*)windowObject)->mFunctionObject)->mBesselIOofBeta, 87.10851065339077),
					testAssertionCount,
					errorCount);  // added 4/26 by Wolek
	
	// change the beta parameter and try applying the window
	v.resize(2);
	v[0] = TT("beta");
	v[1] = 3.0 * kTTPi;
	windowObject->sendMessage(TT("setParameter"), v, aReturnWeDontCareAbout);
	
	TTTestAssertion("Internal intermediate value 2 (zeroth-order bessel fn of the first kind, taken of beta = 3 * pi) is correct.",
					TTTestFloatEquivalence(((KaiserWindow*)((WindowFunction*)windowObject)->mFunctionObject)->mBesselIOofBeta, 1633.090522058824),
					testAssertionCount,
					errorCount);  // added 4/26 by Wolek
	
	// create 1 channel audio signal objects
	TTObjectBaseInstantiate(kTTSym_audiosignal, &input, 1);
	TTObjectBaseInstantiate(kTTSym_audiosignal, &output, 1);
	input->allocWithVectorSize(N);
	output->allocWithVectorSize(N);
	
	// create a signal to be transformed, and then process it
	input->fill(1.0);
	windowObject->process(input, output);
		
	// now test the output
	for (int n=0; n<N; n++) {
		TTBoolean result = !TTTestFloatEquivalence(output->mSampleVectors[0][n], sKaiserB3PiWindowCoefficients128[n]);
		badSampleCount += result;
		if (result)
			TTTestLog("BAD SAMPLE @ n=%i  ( value=%.10f   expected=%.10f )", n, output->mSampleVectors[0][n], sKaiserB3PiWindowCoefficients128[n]);
	}

	TTTestAssertion("Produces correct window shape for beta = 3 pi", 
					badSampleCount == 0, 
					testAssertionCount, 
					errorCount);
	if (badSampleCount)
		TTTestLog("badSampleCount is %i", badSampleCount);
	
	
	TTObjectBaseRelease(&input);
	TTObjectBaseRelease(&output);
	TTObjectBaseRelease(&windowObject);
	
	// Wrap up the test results to pass back to whoever called this test
	return TTTestFinish(testAssertionCount, errorCount, returnedTestInfo);
}
コード例 #9
0
TTErr TTLinearFunction::test(TTValue& returnedTestInfo)
{
	int					errorCount = 0;
	int					testAssertionCount = 0;
	int					badSampleCount = 0;
	TTAudioSignalPtr	input = NULL;
	TTAudioSignalPtr	output = NULL;
	int					N = 128;
	TTValue				v;
	

TTFloat64 expectedSignalTest1[128] = {
	0.0000000000000000e+00, 
	7.8740157480314960e-03, 
	1.5748031496062992e-02, 
	2.3622047244094488e-02, 
	3.1496062992125984e-02, 
	3.9370078740157480e-02, 
	4.7244094488188976e-02, 
	5.5118110236220472e-02, 
	6.2992125984251968e-02, 
	7.0866141732283464e-02, 
	7.8740157480314960e-02, 
	8.6614173228346455e-02, 
	9.4488188976377951e-02, 
	1.0236220472440945e-01, 
	1.1023622047244094e-01, 
	1.1811023622047244e-01, 
	1.2598425196850394e-01, 
	1.3385826771653545e-01, 
	1.4173228346456693e-01, 
	1.4960629921259844e-01, 
	1.5748031496062992e-01, 
	1.6535433070866143e-01, 
	1.7322834645669291e-01, 
	1.8110236220472442e-01, 
	1.8897637795275590e-01, 
	1.9685039370078741e-01, 
	2.0472440944881889e-01, 
	2.1259842519685040e-01, 
	2.2047244094488189e-01, 
	2.2834645669291340e-01, 
	2.3622047244094488e-01, 
	2.4409448818897639e-01, 
	2.5196850393700787e-01, 
	2.5984251968503935e-01, 
	2.6771653543307089e-01, 
	2.7559055118110237e-01, 
	2.8346456692913385e-01, 
	2.9133858267716534e-01, 
	2.9921259842519687e-01, 
	3.0708661417322836e-01, 
	3.1496062992125984e-01, 
	3.2283464566929132e-01, 
	3.3070866141732286e-01, 
	3.3858267716535434e-01, 
	3.4645669291338582e-01, 
	3.5433070866141730e-01, 
	3.6220472440944884e-01, 
	3.7007874015748032e-01, 
	3.7795275590551181e-01, 
	3.8582677165354329e-01, 
	3.9370078740157483e-01, 
	4.0157480314960631e-01, 
	4.0944881889763779e-01, 
	4.1732283464566927e-01, 
	4.2519685039370081e-01, 
	4.3307086614173229e-01, 
	4.4094488188976377e-01, 
	4.4881889763779526e-01, 
	4.5669291338582679e-01, 
	4.6456692913385828e-01, 
	4.7244094488188976e-01, 
	4.8031496062992124e-01, 
	4.8818897637795278e-01, 
	4.9606299212598426e-01, 
	5.0393700787401574e-01, 
	5.1181102362204722e-01, 
	5.1968503937007871e-01, 
	5.2755905511811019e-01, 
	5.3543307086614178e-01, 
	5.4330708661417326e-01, 
	5.5118110236220474e-01, 
	5.5905511811023623e-01, 
	5.6692913385826771e-01, 
	5.7480314960629919e-01, 
	5.8267716535433067e-01, 
	5.9055118110236215e-01, 
	5.9842519685039375e-01, 
	6.0629921259842523e-01, 
	6.1417322834645671e-01, 
	6.2204724409448819e-01, 
	6.2992125984251968e-01, 
	6.3779527559055116e-01, 
	6.4566929133858264e-01, 
	6.5354330708661412e-01, 
	6.6141732283464572e-01, 
	6.6929133858267720e-01, 
	6.7716535433070868e-01, 
	6.8503937007874016e-01, 
	6.9291338582677164e-01, 
	7.0078740157480313e-01, 
	7.0866141732283461e-01, 
	7.1653543307086609e-01, 
	7.2440944881889768e-01, 
	7.3228346456692917e-01, 
	7.4015748031496065e-01, 
	7.4803149606299213e-01, 
	7.5590551181102361e-01, 
	7.6377952755905509e-01, 
	7.7165354330708658e-01, 
	7.7952755905511806e-01, 
	7.8740157480314965e-01, 
	7.9527559055118113e-01, 
	8.0314960629921262e-01, 
	8.1102362204724410e-01, 
	8.1889763779527558e-01, 
	8.2677165354330706e-01, 
	8.3464566929133854e-01, 
	8.4251968503937003e-01, 
	8.5039370078740162e-01, 
	8.5826771653543310e-01, 
	8.6614173228346458e-01, 
	8.7401574803149606e-01, 
	8.8188976377952755e-01, 
	8.8976377952755903e-01, 
	8.9763779527559051e-01, 
	9.0551181102362199e-01, 
	9.1338582677165359e-01, 
	9.2125984251968507e-01, 
	9.2913385826771655e-01, 
	9.3700787401574803e-01, 
	9.4488188976377951e-01, 
	9.5275590551181100e-01, 
	9.6062992125984248e-01, 
	9.6850393700787396e-01, 
	9.7637795275590555e-01, 
	9.8425196850393704e-01, 
	9.9212598425196852e-01, 
	1.0000000000000000e+00	
};

	
	// setup Function
	this->setAttributeValue(TT("function"), TT("linear"));
	
	// create 1 channel audio signal objects
	TTObjectBaseInstantiate(kTTSym_audiosignal, &input, 1);
	TTObjectBaseInstantiate(kTTSym_audiosignal, &output, 1);
	input->allocWithVectorSize(N);
	output->allocWithVectorSize(N);
	
	// create a signal to be transformed and then process it)
	input->clear();	
	for (int i=0; i<N; i++)
		input->mSampleVectors[0][i] = expectedSignalTest1[i]; 
	
	this->process(input, output);
	
	// now test the output
	for (int n=0; n<N; n++)
	{
		TTBoolean result = !TTTestFloatEquivalence(output->mSampleVectors[0][n], expectedSignalTest1[n]);
		badSampleCount += result;
		if (result) 
			TTTestLog("BAD SAMPLE @ n=%i ( value=%.10f	expected=%.10f )", n, output->mSampleVectors[0][n], expectedSignalTest1[n]);
	}
	
	TTTestAssertion("Produces correct function values", 
					badSampleCount == 0,
					testAssertionCount, 
					errorCount);
	if (badSampleCount)
		TTTestLog("badSampleCount is %i", badSampleCount);
	
	
	TTObjectBaseRelease(&input);
	TTObjectBaseRelease(&output);
	
	// wrap up test results and pass back to whoever called test
	return TTTestFinish(testAssertionCount, errorCount, returnedTestInfo);
	
}
コード例 #10
0
TTErr TTHalfbandLinear33::test(TTValue& returnedTestInfo)
{
	int					errorCount = 0;
	int					testAssertionCount = 0;
	int					badSampleCount = 0;
	TTAudioSignalPtr	input = NULL;
	TTAudioSignalPtr	output = NULL;
	
	// create 1 channel audio signal objects
	TTObjectBaseInstantiate(kTTSym_audiosignal, &input, 1);
	TTObjectBaseInstantiate(kTTSym_audiosignal, &output, 1);
	input->allocWithVectorSize(128);
	output->allocWithVectorSize(128);
	
	// create an impulse
	input->clear();						// set all samples to zero
	input->mSampleVectors[0][0] = 1.0;	// set the first sample to 1
	
	// setup the filter
	//this->setAttributeValue(TT("linearGain"), 0.5);
	//this->setAttributeValue(TT("delayInSamples"), 1);
	this->process(input, output);
	
	/// The following values are not necsessarily to be trusted. They were calculated from this filter unit itself at a time when the filter was assumed to work. As such, if this test fails in the future, it should be considered an indication that something has changed in the code or compiler that causes the calculated impulse response to differ from earlier results, but this test is not able to say anything meaningful about whether the old or new behaviour is to be trusted (or eventually none of them).
	TTFloat64 expectedImpulseResponse[128] = {
		0.0000000000000000e+00,
		-1.4033886144341021e-03,
		0.0000000000000000e+00,
		2.8696648020251339e-03,
		0.0000000000000000e+00,
		-5.7985191818626753e-03,
		0.0000000000000000e+00,
		1.0903029954258413e-02,
		0.0000000000000000e+00,
		-1.9971682303392909e-02,
		0.0000000000000000e+00,
		3.7485281415763530e-02,
		0.0000000000000000e+00,
		-7.9701634061165733e-02,
		0.0000000000000000e+00,
		2.9216925395010418e-01,
		5.0000000000000000e-01,
		3.4369037427197169e-01,
		0.0000000000000000e+00,
		-1.3023893952773802e-01,
		0.0000000000000000e+00,
		8.6104042704043690e-02,
		0.0000000000000000e+00,
		-6.5831676403848585e-02,
		0.0000000000000000e+00,
		5.3364446243041895e-02,
		0.0000000000000000e+00,
		-4.4382106227734967e-02,
		0.0000000000000000e+00,
		3.7295412888824341e-02,
		0.0000000000000000e+00,
		-3.1244797047627053e-02,
		0.0000000000000000e+00,
		2.6798062990289070e-02,
		0.0000000000000000e+00,
		-2.2131648330448058e-02,
		0.0000000000000000e+00,
		1.8346990400433229e-02,
		0.0000000000000000e+00,
		-1.5243355223767449e-02,
		0.0000000000000000e+00,
		1.2680069280636953e-02,
		0.0000000000000000e+00,
		-1.0553809725476822e-02,
		0.0000000000000000e+00,
		8.7857616982298780e-03,
		0.0000000000000000e+00,
		-7.3136670275350379e-03,
		0.0000000000000000e+00,
		6.0882749139391252e-03,
		0.0000000000000000e+00,
		-5.0669324833186669e-03,
		0.0000000000000000e+00,
		4.2169077154520593e-03,
		0.0000000000000000e+00,
		-3.5095610771282738e-03,
		0.0000000000000000e+00,
		2.9209172646183241e-03,
		0.0000000000000000e+00,
		-2.4310262000329379e-03,
		0.0000000000000000e+00,
		2.0233040542710959e-03,
		0.0000000000000000e+00,
		-1.6839620729024551e-03,
		0.0000000000000000e+00,
		1.4015316044449066e-03,
		0.0000000000000000e+00,
		-1.1664674133319290e-03,
		0.0000000000000000e+00,
		9.7082783948693727e-04,
		0.0000000000000000e+00,
		-8.0800107046215914e-04,
		0.0000000000000000e+00,
		6.7248368858447154e-04,
		0.0000000000000000e+00,
		-5.5969525911386462e-04,
		0.0000000000000000e+00,
		4.6582363007229645e-04,
		0.0000000000000000e+00,
		-3.8769606747829008e-04,
		0.0000000000000000e+00,
		3.2267198896539023e-04,
		0.0000000000000000e+00,
		-2.6855369234410987e-04,
		0.0000000000000000e+00,
		2.2351207385297981e-04,
		0.0000000000000000e+00,
		-1.8602480145583968e-04,
		0.0000000000000000e+00,
		1.5482486591515381e-04,
		0.0000000000000000e+00,
		-1.2885775959743082e-04,
		0.0000000000000000e+00,
		1.0724583623124941e-04,
		0.0000000000000000e+00,
		-8.9258647845389630e-05,
		0.0000000000000000e+00,
		7.4288256705464873e-05,
		0.0000000000000000e+00,
		-6.1828687935307859e-05,
		0.0000000000000000e+00,
		5.1458828369187624e-05,
		0.0000000000000000e+00,
		-4.2828193604805050e-05,
		0.0000000000000000e+00,
		3.5645082207555665e-05,
		0.0000000000000000e+00,
		-2.9666716680464188e-05,
		0.0000000000000000e+00,
		2.4691037980432186e-05,
		0.0000000000000000e+00,
		-2.0549876250725695e-05,
		0.0000000000000000e+00,
		1.7103266952687490e-05,
		0.0000000000000000e+00,
		-1.4234720291507337e-05,
		0.0000000000000000e+00,
		1.1847284050344966e-05,
		0.0000000000000000e+00,
		-9.8602667629068172e-06,
		0.0000000000000000e+00,
		8.2065104729977065e-06,
		0.0000000000000000e+00,
		-6.8301209047192577e-06,
		0.0000000000000000e+00,
		5.6845783267542965e-06,
		0.0000000000000000e+00,
		-4.7311652610242063e-06
	};
	
	//TTTestLog("\nRESULTING VALUES");
	for (int i=0; i<128; i++) {
		TTBoolean result = !TTTestFloatEquivalence(output->mSampleVectors[0][i], expectedImpulseResponse[i]);
		//TTTestLog("%.16e,", output->mSampleVectors[0][i]);
		badSampleCount += result;
		if (result)
			TTTestLog("BAD SAMPLE @ i=%i  ( value=%.10f   expected=%.10f )", i, output->mSampleVectors[0][i], expectedImpulseResponse[i]);
	}
	
	TTTestAssertion("Produces correct impulse response for a delay of 1 sample and alpha = 0.5",
					badSampleCount == 0,
					testAssertionCount,
					errorCount);
	if (badSampleCount)
		TTTestLog("badSampleCount is %i", badSampleCount);
	
	TTObjectBaseRelease(&input);
	TTObjectBaseRelease(&output);
	
	// Wrap up the test results to pass back to whoever called this test
	return TTTestFinish(testAssertionCount, errorCount, returnedTestInfo);
}
コード例 #11
0
TTErr TTSvf::test(TTValue& returnedTestInfo)
{
	int					errorCount = 0;
	int					testAssertionCount = 0;
	int					badSampleCount = 0;
	TTAudioSignalPtr	input = NULL;
	TTAudioSignalPtr	output = NULL;
	
	// create 1 channel audio signal objects
	TTObjectBaseInstantiate(kTTSym_audiosignal, &input, 1);
	TTObjectBaseInstantiate(kTTSym_audiosignal, &output, 1);
	input->allocWithVectorSize(128);
	output->allocWithVectorSize(128);
	
	// create an impulse
	input->clear();						// set all samples to zero
	input->mSampleVectors[0][0] = 1.0;	// set the first sample to 1
	
	// setup the filter
	//this->setAttributeValue(TT("linearGain"), 0.5);
	//this->setAttributeValue(TT("delayInSamples"), 1);
	this->process(input, output);
	
	/// The following values are not necsessarily to be trusted. They were calculated from this filter unit itself at a time when the filter was assumed to work. As such, if this test fails in the future, it should be considered an indication that something has changed in the code or compiler that causes the calculated impulse response to differ from earlier results, but this test is not able to say anything meaningful about whether the old or new behaviour is to be trusted (or eventually none of them).
	TTFloat64 expectedImpulseResponse[128] = {
		5.0000000000000000e+05,
		5.0087319869171590e+17,
		5.0174842408388438e+29,
		5.0262517884414260e+41,
		5.0350346564490692e+53,
		5.0438328716326373e+65,
		5.0526464608097724e+77,
		5.0614754508449776e+89,
		5.0703198686496978e+101,
		5.0791797411824051e+113,
		5.0880550954486772e+125,
		5.0969459585012814e+137,
		5.1058523574402592e+149,
		5.1147743194130052e+161,
		5.1237118716143473e+173,
		5.1326650412866394e+185,
		5.1416338557198395e+197,
		5.1506183422515868e+209,
		5.1596185282672929e+221,
		5.1686344412002213e+233,
		5.1776661085315740e+245,
		5.1867135577905743e+257,
		5.1957768165545460e+269,
		5.2048559124490098e+281,
		5.2139508731477499e+293,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305,
		5.2230617263729118e+305
	};
	
	//TTTestLog("\nRESULTING VALUES");
	for (int i=0; i<128; i++) {
		TTBoolean result = !TTTestFloatEquivalence(output->mSampleVectors[0][i], expectedImpulseResponse[i]);
		//TTTestLog("%.16e,", output->mSampleVectors[0][i]);
		badSampleCount += result;
		if (result)
			TTTestLog("BAD SAMPLE @ i=%i  ( value=%.10f   expected=%.10f )", i, output->mSampleVectors[0][i], expectedImpulseResponse[i]);
	}
	
	TTTestAssertion("Produces correct impulse response for a delay of 1 sample and alpha = 0.5",
					badSampleCount == 0,
					testAssertionCount,
					errorCount);
	if (badSampleCount)
		TTTestLog("badSampleCount is %i", badSampleCount);
	
	TTObjectBaseRelease(&input);
	TTObjectBaseRelease(&output);
	
	// Wrap up the test results to pass back to whoever called this test
	return TTTestFinish(testAssertionCount, errorCount, returnedTestInfo);
}
コード例 #12
0
TTErr TTAudioGraphGenerator::test(TTValue& returnedTestInfo)
{
	int							errorCount = 0;
	int							testAssertionCount = 0;
	int							badSampleCount = 0;
//	TTAudioSignalPtr			input = NULL;
	TTAudioSignalPtr			output = NULL;
	TTAudioGraphPreprocessData	mInitData;
//	TTAudioSignalPtr			mAudioSignal = NULL;
	TTAudioGraphObjectPtr		obj0 = NULL;
	TTAudioGraphObjectPtr		obj1 = NULL;
	TTAudioGraphObjectPtr		obj2 = NULL;
	TTAudioGraphObjectPtr		obj3 = NULL;
	TTAudioGraphObjectPtr		obj4 = NULL;
	TTAudioGraphObjectPtr		obj5 = NULL;
	TTAudioGraphObjectPtr		obj6 = NULL;
	TTAudioGraphObjectPtr		obj7 = NULL;
//	TTAudioGraphObjectPtr		obj8 = NULL;
	TTAudioGraphObjectPtr		obj9 = NULL;
	TTAudioGraphObjectPtr		obj10 = NULL;
//	TTAudioGraphObjectPtr		obj11 = NULL;
	TTAudioGraphObjectPtr		obj12 = NULL;
	TTAudioGraphObjectPtr		obj13 = NULL;
	TTValue						audioObjectArguments;

	memset(&mInitData, 0, sizeof(mInitData));	
	audioObjectArguments.setSize(3);
		   
	// Create the Graph

	audioObjectArguments.set(0, TT("thru"));	// <<-- THIS IS THE SINK ON WHICH WE WILL PULL
	audioObjectArguments.set(1, 1);				// <<-- NUMBER OF INLETS
	audioObjectArguments.set(2, 1);
	TTObjectInstantiate(TT("audio.object"), (TTObjectPtr*)&obj0, audioObjectArguments);
	obj0->mKernel->setAttributeValue(TT("maxNumChannels"), 0);
	obj0->mKernel->setAttributeValue(TT("mute"), 0);
	obj0->mKernel->setAttributeValue(TT("bypass"), 0);
	obj0->mKernel->setAttributeValue(TT("sampleRate"), 44100u);

	audioObjectArguments.set(0, TT("audio.join"));
	audioObjectArguments.set(1, 2);
	audioObjectArguments.set(2, 1);
	TTObjectInstantiate(TT("audio.object"), (TTObjectPtr*)&obj1, audioObjectArguments);
	obj1->mKernel->setAttributeValue(TT("maxNumChannels"), 1);
	obj1->mKernel->setAttributeValue(TT("mute"), 0);
	obj1->mKernel->setAttributeValue(TT("bypass"), 0);
	obj1->mKernel->setAttributeValue(TT("sampleRate"), 44100u);

	audioObjectArguments.set(0, TT("gain"));
	audioObjectArguments.set(1, 1);
	audioObjectArguments.set(2, 1);
	TTObjectInstantiate(TT("audio.object"), (TTObjectPtr*)&obj2, audioObjectArguments);
	//obj2->mKernel->setAttributeValue(TT("midiGain"), 86.639865);
	obj2->mKernel->setAttributeValue(TT("maxNumChannels"), 0);
	obj2->mKernel->setAttributeValue(TT("interpolated"), 0);
	obj2->mKernel->setAttributeValue(TT("mute"), 0);
	obj2->mKernel->setAttributeValue(TT("bypass"), 0);
	//obj2->mKernel->setAttributeValue(TT("gain"), -6.000000);
	//obj2->mKernel->setAttributeValue(TT("linearGain"), 0.501187);
	obj2->mKernel->setAttributeValue(TT("linearGain"), 0.25);
	obj2->mKernel->setAttributeValue(TT("sampleRate"), 44100u);

	audioObjectArguments.set(0, TT("audio.split"));
	audioObjectArguments.set(1, 1);
	audioObjectArguments.set(2, 2);
	TTObjectInstantiate(TT("audio.object"), (TTObjectPtr*)&obj3, audioObjectArguments);
	obj3->mKernel->setAttributeValue(TT("maxNumChannels"), 1);
	TTValue v(1,1);
	obj3->mKernel->setAttributeValue(TT("groups"), v);
	obj3->mKernel->setAttributeValue(TT("mute"), 0);
	obj3->mKernel->setAttributeValue(TT("bypass"), 0);
	obj3->mKernel->setAttributeValue(TT("sampleRate"), 44100u);

	audioObjectArguments.set(0, TT("audio.generator"));
	audioObjectArguments.set(1, 0);
	audioObjectArguments.set(2, 1);
	TTObjectInstantiate(TT("audio.object"), (TTObjectPtr*)&obj4, audioObjectArguments);
	obj4->mKernel->setAttributeValue(TT("maxNumChannels"), 2);
	obj4->mKernel->setAttributeValue(TT("mute"), 0);
	obj4->mKernel->setAttributeValue(TT("bypass"), 0);
	obj4->mKernel->setAttributeValue(TT("vectorSize"), 64);
	obj4->mKernel->setAttributeValue(TT("sampleRate"), 44100u);
	obj4->addAudioFlag(kTTAudioGraphGenerator);
	obj4->setOutputNumChannels(0, 2);
	
	obj3->connectAudio(obj4, 0, 0);
	obj2->connectAudio(obj3, 0, 0);

//	TTObjectInstantiate(TT("graph.object"), (TTObjectPtr*)&obj8, TTValue(TT("plugtastic.parameter")));
//	((PlugtasticParameter*)obj8->mKernel)->setOwner(obj8);
//	obj8->mKernel->setAttributeValue(TT("rangeTop"), 24.000000);
//	obj8->mKernel->setAttributeValue(TT("bypass"), 0);
//	obj8->mKernel->setAttributeValue(TT("name"), TT("gain"));
//	obj8->mKernel->setAttributeValue(TT("style"), TT("decibels"));
//	obj8->mKernel->setAttributeValue(TT("default"), -6.000000);
//	obj8->mKernel->setAttributeValue(TT("value"), 0.000000);
//	obj8->mKernel->setAttributeValue(TT("rangeBottom"), -96.000000);

//	obj2->connect(obj8);
	obj1->connectAudio(obj2, 0, 0);
	audioObjectArguments.set(0, TT("gain"));
	audioObjectArguments.set(1, 1);
	audioObjectArguments.set(2, 1);
	TTObjectInstantiate(TT("audio.object"), (TTObjectPtr*)&obj9, audioObjectArguments);
//	obj9->mKernel->setAttributeValue(TT("midiGain"), 86.639865);
	obj9->mKernel->setAttributeValue(TT("maxNumChannels"), 0);
	obj9->mKernel->setAttributeValue(TT("interpolated"), 0);
	obj9->mKernel->setAttributeValue(TT("mute"), 0);
	obj9->mKernel->setAttributeValue(TT("bypass"), 0);
//	obj9->mKernel->setAttributeValue(TT("gain"), -6.000000);
//	obj9->mKernel->setAttributeValue(TT("linearGain"), 0.501187);
	obj9->mKernel->setAttributeValue(TT("linearGain"), 0.25);
	obj9->mKernel->setAttributeValue(TT("sampleRate"), 44100u);

	obj9->connectAudio(obj3, 1, 0);

//	TTObjectInstantiate(TT("graph.object"), (TTObjectPtr*)&obj11, TTValue(TT("plugtastic.parameter")));
//	((PlugtasticParameter*)obj11->mKernel)->setOwner(obj11);
//	obj11->mKernel->setAttributeValue(TT("rangeTop"), 24.000000);
//	obj11->mKernel->setAttributeValue(TT("bypass"), 0);
//	obj11->mKernel->setAttributeValue(TT("name"), TT("gain"));
//	obj11->mKernel->setAttributeValue(TT("style"), TT("decibels"));
//	obj11->mKernel->setAttributeValue(TT("default"), -6.000000);
//	obj11->mKernel->setAttributeValue(TT("value"), 0.000000);
//	obj11->mKernel->setAttributeValue(TT("rangeBottom"), -96.000000);

//	obj9->connect(obj11);
	obj1->connectAudio(obj9, 0, 1);
	obj0->connectAudio(obj1, 0, 0);

	// SET UP SOME AUDIO AND PULL ON THE GRAPH
	// obj4 is the source
	// obj0 is the sink
	
	TTSampleValue chan1input[64] = {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1};
	TTSampleValue chan2input[64] = {2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2};
	TTSampleValue chan1output[64];
	TTSampleValue chan2output[64];
	

	mInitData.vectorSize = 64;
	
	
	TTTestLog("Processing First Pull");
	
	TTAudioGraphGeneratorPtr(obj4->getUnitGenerator())->mBuffer->setVector64Copy(0, 64, chan1input);
	TTAudioGraphGeneratorPtr(obj4->getUnitGenerator())->mBuffer->setVector64Copy(1, 64, chan2input);
	
	obj0->lockProcessing();
	obj0->preprocess(mInitData);
	obj0->process(output, 0);
	obj0->unlockProcessing();
	
	output->getVectorCopy(0, 64, chan1output);
	output->getVectorCopy(1, 64, chan2output);
	
	
	// CHECK THE RESULTS
	for (int i=0; i<64; i++) {
		TTBoolean result = TTTestFloatEquivalence(chan1output[i], chan1input[i] * 0.25);
		badSampleCount += !result;
		if (!result)
			TTTestLog("CHAN1 BAD SAMPLE @ i=%i  ( value=%.10f   expected=%.10f )", i, chan1output[i], chan1input[i] * 0.25);

		result = TTTestFloatEquivalence(chan2output[i], chan2input[i] * 0.25);
		badSampleCount += !result;
		if (!result)
			TTTestLog("CHAN2 BAD SAMPLE @ i=%i  ( value=%.10f   expected=%.10f )", i, chan2output[i], chan2input[i] * 0.25);		
	}
	
	TTTestAssertion("Produces correct results for first pull", 
					badSampleCount == 0, 
					testAssertionCount, 
					errorCount);
	if (badSampleCount)
		TTTestLog("badSampleCount is %i", badSampleCount);	


	
	
	TTTestLog("Processing Second Pull");
	
	TTAudioGraphGeneratorPtr(obj4->getUnitGenerator())->mBuffer->setVector64Copy(0, 64, chan1input);
	TTAudioGraphGeneratorPtr(obj4->getUnitGenerator())->mBuffer->setVector64Copy(1, 64, chan2input);
	
	obj0->lockProcessing();
	obj0->preprocess(mInitData);
	obj0->process(output, 64);
	obj0->unlockProcessing();
	
	output->getVectorCopy(0, 64, chan1output);
	output->getVectorCopy(1, 64, chan2output);
	
	
	// CHECK THE RESULTS
	for (int i=0; i<64; i++) {
		TTBoolean result = TTTestFloatEquivalence(chan1output[i], chan1input[i] * 0.25);
		badSampleCount += !result;
		if (!result)
			TTTestLog("CHAN1 BAD SAMPLE @ i=%i  ( value=%.10f   expected=%.10f )", i, chan1output[i], chan1input[i] * 0.25);
		
		result = TTTestFloatEquivalence(chan2output[i], chan2input[i] * 0.25);
		badSampleCount += !result;
		if (!result)
			TTTestLog("CHAN2 BAD SAMPLE @ i=%i  ( value=%.10f   expected=%.10f )", i, chan2output[i], chan2input[i] * 0.25);		
	}
	
	TTTestAssertion("Produces correct results for second pull", 
					badSampleCount == 0, 
					testAssertionCount, 
					errorCount);
	if (badSampleCount)
		TTTestLog("badSampleCount is %i", badSampleCount);	
	
	
	
	

	// FREE MEMORY FROM OUR GRAPH

	TTObjectRelease((TTObjectPtr*)&obj0);
	TTObjectRelease((TTObjectPtr*)&obj1);
	TTObjectRelease((TTObjectPtr*)&obj2);
	TTObjectRelease((TTObjectPtr*)&obj3);
	TTObjectRelease((TTObjectPtr*)&obj4);
	TTObjectRelease((TTObjectPtr*)&obj5);
	TTObjectRelease((TTObjectPtr*)&obj6);
	TTObjectRelease((TTObjectPtr*)&obj7);
//	TTObjectRelease((TTObjectPtr*)&obj8);
	TTObjectRelease((TTObjectPtr*)&obj9);
	TTObjectRelease((TTObjectPtr*)&obj10);
//	TTObjectRelease((TTObjectPtr*)&obj11);
	TTObjectRelease((TTObjectPtr*)&obj12);
	TTObjectRelease((TTObjectPtr*)&obj13);

		   
	// Wrap up the test results to pass back to whoever called this test
	return TTTestFinish(testAssertionCount, errorCount, returnedTestInfo);
}
コード例 #13
0
TTErr TTHalfband9::test(TTValue& returnedTestInfo)
{
	int					errorCount = 0;
	int					testAssertionCount = 0;
	int					badSampleCount = 0;
	TTAudioSignalPtr	input = NULL;
	TTAudioSignalPtr	output = NULL;
	
	// create 1 channel audio signal objects
	TTObjectBaseInstantiate(kTTSym_audiosignal, &input, 1);
	TTObjectBaseInstantiate(kTTSym_audiosignal, &output, 1);
	input->allocWithVectorSize(128);
	output->allocWithVectorSize(128);
	
	// create an impulse
	input->clear();						// set all samples to zero
	input->mSampleVectors[0][0] = 1.0;	// set the first sample to 1
	
	// setup the filter
	//this->setAttributeValue(TT("linearGain"), 0.5);
	//this->setAttributeValue(TT("delayInSamples"), 1);
	this->process(input, output);
	
	/// The following values are not necsessarily to be trusted. They were calculated from this filter unit itself at a time when the filter was assumed to work. As such, if this test fails in the future, it should be considered an indication that something has changed in the code or compiler that causes the calculated impulse response to differ from earlier results, but this test is not able to say anything meaningful about whether the old or new behaviour is to be trusted (or eventually none of them).
	TTFloat64 expectedImpulseResponse[128] = {
		8.7103045030879483e-03,
		6.5442805786156327e-02,
		2.1752960418473016e-01,
		4.0159114675452823e-01,
		4.0353211792457022e-01,
		1.2030853381927020e-01,
		-1.8246245365496197e-01,
		-1.6374428214620290e-01,
		7.3759595434999117e-02,
		1.3557578188789043e-01,
		-2.9480119034157672e-02,
		-1.0385906449486471e-01,
		1.1768051181853019e-02,
		7.8235267984828785e-02,
		-4.6970087126678179e-03,
		-5.8706586396073894e-02,
		1.8747000302069827e-03,
		4.4013161078726402e-02,
		-7.4824100988214021e-04,
		-3.2990420653853873e-02,
		2.9864218340860499e-04,
		2.4727036940893864e-02,
		-1.1919575486409350e-04,
		-1.8533241881956156e-02,
		4.7574082755266522e-05,
		1.3890873825360833e-02,
		-1.8988036545967643e-05,
		-1.0411360218772368e-02,
		7.5786123658265979e-06,
		7.8034260100494678e-03,
		-3.0248185615325640e-06,
		-5.8487511897430174e-03,
		1.2072826644949055e-06,
		4.3837014883001159e-03,
		-4.8185747420545896e-07,
		-3.2856310826633872e-03,
		1.9232167600518332e-07,
		2.4626155853971947e-03,
		-7.6760513308280766e-08,
		-1.8457566806100649e-03,
		3.0637089514506656e-08,
		1.3834143437329480e-03,
		-1.2228048165209913e-08,
		-1.0368838246887998e-03,
		4.8805276317090555e-09,
		7.7715549991975530e-04,
		-1.9479437471995521e-09,
		-5.8248634675791178e-04,
		7.7747430781886294e-10,
		4.3657973750991743e-04,
		-3.1030993589390189e-10,
		-3.2722117568094997e-04,
		1.2385265383832053e-10,
		2.4525576570440455e-04,
		-4.9432770557625903e-11,
		-1.8382181558415425e-04,
		1.9729886516544118e-11,
		1.3777641389022791e-04,
		-7.8747037150572516e-12,
		-1.0326489358256396e-04,
		3.1429962127728598e-12,
		7.7398140549037774e-05,
		-1.2544503959705767e-12,
		-5.8010732908556275e-05,
		5.0068332553363524e-13,
		4.3479663835796007e-05,
		-1.9983555609105167e-13,
		-3.2588472382409617e-05,
		7.9759495556712181e-14,
		2.4425408076516508e-05,
		-3.1834060243826912e-14,
		-1.8307104202478260e-05,
		1.2705789881620152e-14,
		1.3721370108965461e-05,
		-5.0712066032225982e-15,
		-1.0284313432908937e-05,
		2.0240486150152843e-15,
		7.7082027484415434e-06,
		-8.0784971240215606e-16,
		-5.7773802790718454e-06,
		3.2243353889171191e-16,
		4.3302082182200926e-06,
		-1.2869149472504737e-16,
		-3.2455373036571498e-06,
		5.1364076055775978e-17,
		2.4325648695387360e-06,
		-2.0500720072451300e-17,
		-1.8232333480949888e-06,
		8.1823631565498873e-18,
		1.3665328654672198e-06,
		-3.2657909863192238e-18,
		-1.0242309764426052e-06,
		1.3034609393725535e-18,
		7.6767205503389109e-07,
		-5.2024469036363035e-19,
		-5.7537840353823865e-07,
		2.0764299847898359e-19,
		4.3125225815807068e-07,
		-8.2875646048798849e-20,
		-3.2322817301236335e-07,
		3.3077795824167722e-20,
		2.4226296756135623e-07,
		-1.3202196649436381e-20,
		-1.8157868141459877e-07,
		5.2693352754490783e-21,
		1.3609516087477989e-07,
		-2.1031268494457227e-21,
		-1.0200477649268290e-07,
		8.3941186385839346e-22,
		7.6453669332855475e-08,
		-3.3503080300264441e-22,
		-5.7302841645625260e-08,
		1.3371938590986161e-22,
		4.2949091774362909e-08,
		-5.3370836376407339e-23,
		-3.2190802956164986e-08,
		2.1301669583177287e-23,
		2.4127350594668349e-08,
		-8.5020426479852997e-24,
		-1.8083706936752792e-08,
		3.3933832700722577e-24,
		1.3553931472551566e-08,
		-1.3543862921382747e-24,
		-1.0158816386769628e-08,
		5.4057030471922016e-25,
		7.6141413721247876e-09,
		-2.1575547245305183e-25,
		-5.7068802730017340e-09
	};
	
	//TTTestLog("\nRESULTING VALUES");
	for (int i=0; i<128; i++) {
		TTBoolean result = !TTTestFloatEquivalence(output->mSampleVectors[0][i], expectedImpulseResponse[i]);
		//TTTestLog("%.16e,", output->mSampleVectors[0][i]);
		badSampleCount += result;
		if (result)
			TTTestLog("BAD SAMPLE @ i=%i  ( value=%.10f   expected=%.10f )", i, output->mSampleVectors[0][i], expectedImpulseResponse[i]);
	}
	
	TTTestAssertion("Produces correct impulse response for a delay of 1 sample and alpha = 0.5",
					badSampleCount == 0,
					testAssertionCount,
					errorCount);
	if (badSampleCount)
		TTTestLog("badSampleCount is %i", badSampleCount);
	
	TTObjectBaseRelease(&input);
	TTObjectBaseRelease(&output);
	
	// Wrap up the test results to pass back to whoever called this test
	return TTTestFinish(testAssertionCount, errorCount, returnedTestInfo);
}