Jamoma API  0.6.0.a19
TTCircularEaseOutFunction.test.cpp
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1 /** @file
2  *
3  * @ingroup dspFunctionLib
4  *
5  * @brief Unit tests for the Jamoma DSP #TTCircularEaseOutFunction of the #TTFunctionLib
6  *
7  * @details Derived from Sam Hocevar's public domain C/C++ implementation of Robert Penner easing functions
8  *
9  * @authors Trond Lossius
10  *
11  * @copyright Copyright © 2014 by Trond Lossius @n
12  * This code is licensed under the terms of the "New BSD License" @n
13  * http://creativecommons.org/licenses/BSD/
14  */
15 
16 
17 #include "TTFunction.h"
19 
20 
21 /*
22  * coefficients calculated in Octave using:
23 
24  x = linspace(0,1,128);
25  y = sqrt((2 - x) .* x);
26  printf("%.16e,\n", y)
27  plot (x,y)
28 
29  */
30 
32 {
33  int errorCount = 0;
34  int testAssertionCount = 0;
35  int badSampleCount = 0;
36  TTAudioSignalPtr input = NULL;
37  TTAudioSignalPtr output = NULL;
38  int N = 128;
39  TTValue v;
40 
41 
42  TTFloat64 inputSignal1[128] = {
43  0.0000000000000000e+00,
44  7.8740157480314960e-03,
45  1.5748031496062992e-02,
46  2.3622047244094488e-02,
47  3.1496062992125984e-02,
48  3.9370078740157480e-02,
49  4.7244094488188976e-02,
50  5.5118110236220472e-02,
51  6.2992125984251968e-02,
52  7.0866141732283464e-02,
53  7.8740157480314960e-02,
54  8.6614173228346455e-02,
55  9.4488188976377951e-02,
56  1.0236220472440945e-01,
57  1.1023622047244094e-01,
58  1.1811023622047244e-01,
59  1.2598425196850394e-01,
60  1.3385826771653542e-01,
61  1.4173228346456693e-01,
62  1.4960629921259844e-01,
63  1.5748031496062992e-01,
64  1.6535433070866140e-01,
65  1.7322834645669291e-01,
66  1.8110236220472442e-01,
67  1.8897637795275590e-01,
68  1.9685039370078738e-01,
69  2.0472440944881889e-01,
70  2.1259842519685040e-01,
71  2.2047244094488189e-01,
72  2.2834645669291337e-01,
73  2.3622047244094488e-01,
74  2.4409448818897639e-01,
75  2.5196850393700787e-01,
76  2.5984251968503935e-01,
77  2.6771653543307083e-01,
78  2.7559055118110237e-01,
79  2.8346456692913385e-01,
80  2.9133858267716534e-01,
81  2.9921259842519687e-01,
82  3.0708661417322836e-01,
83  3.1496062992125984e-01,
84  3.2283464566929132e-01,
85  3.3070866141732280e-01,
86  3.3858267716535434e-01,
87  3.4645669291338582e-01,
88  3.5433070866141730e-01,
89  3.6220472440944884e-01,
90  3.7007874015748032e-01,
91  3.7795275590551181e-01,
92  3.8582677165354329e-01,
93  3.9370078740157477e-01,
94  4.0157480314960631e-01,
95  4.0944881889763779e-01,
96  4.1732283464566927e-01,
97  4.2519685039370081e-01,
98  4.3307086614173229e-01,
99  4.4094488188976377e-01,
100  4.4881889763779526e-01,
101  4.5669291338582674e-01,
102  4.6456692913385828e-01,
103  4.7244094488188976e-01,
104  4.8031496062992124e-01,
105  4.8818897637795278e-01,
106  4.9606299212598426e-01,
107  5.0393700787401574e-01,
108  5.1181102362204722e-01,
109  5.1968503937007871e-01,
110  5.2755905511811019e-01,
111  5.3543307086614167e-01,
112  5.4330708661417326e-01,
113  5.5118110236220474e-01,
114  5.5905511811023623e-01,
115  5.6692913385826771e-01,
116  5.7480314960629919e-01,
117  5.8267716535433067e-01,
118  5.9055118110236215e-01,
119  5.9842519685039375e-01,
120  6.0629921259842523e-01,
121  6.1417322834645671e-01,
122  6.2204724409448819e-01,
123  6.2992125984251968e-01,
124  6.3779527559055116e-01,
125  6.4566929133858264e-01,
126  6.5354330708661412e-01,
127  6.6141732283464560e-01,
128  6.6929133858267720e-01,
129  6.7716535433070868e-01,
130  6.8503937007874016e-01,
131  6.9291338582677164e-01,
132  7.0078740157480313e-01,
133  7.0866141732283461e-01,
134  7.1653543307086609e-01,
135  7.2440944881889768e-01,
136  7.3228346456692917e-01,
137  7.4015748031496065e-01,
138  7.4803149606299213e-01,
139  7.5590551181102361e-01,
140  7.6377952755905509e-01,
141  7.7165354330708658e-01,
142  7.7952755905511806e-01,
143  7.8740157480314954e-01,
144  7.9527559055118113e-01,
145  8.0314960629921262e-01,
146  8.1102362204724410e-01,
147  8.1889763779527558e-01,
148  8.2677165354330706e-01,
149  8.3464566929133854e-01,
150  8.4251968503937003e-01,
151  8.5039370078740162e-01,
152  8.5826771653543310e-01,
153  8.6614173228346458e-01,
154  8.7401574803149606e-01,
155  8.8188976377952755e-01,
156  8.8976377952755903e-01,
157  8.9763779527559051e-01,
158  9.0551181102362199e-01,
159  9.1338582677165348e-01,
160  9.2125984251968507e-01,
161  9.2913385826771655e-01,
162  9.3700787401574803e-01,
163  9.4488188976377951e-01,
164  9.5275590551181100e-01,
165  9.6062992125984248e-01,
166  9.6850393700787396e-01,
167  9.7637795275590555e-01,
168  9.8425196850393704e-01,
169  9.9212598425196852e-01,
170  1.0000000000000000e+00
171  };
172 
173 
174  TTFloat64 expectedSignal1[128] = {
175  0.0000000000000000e+00,
176  1.2524388756367610e-01,
177  1.7677121512317834e-01,
178  2.1606964935452352e-01,
179  2.4899824095814010e-01,
180  2.7783116164373783e-01,
181  3.0373703184229778e-01,
182  3.2741138403609121e-01,
183  3.4930823642234382e-01,
184  3.6974352383854792e-01,
185  3.8894768614892816e-01,
186  4.0709499069954530e-01,
187  4.2432105780495999e-01,
188  4.4073392028839459e-01,
189  4.5642131484061221e-01,
190  4.7145566550937645e-01,
191  4.8589759434776419e-01,
192  4.9979845897821573e-01,
193  5.1320222793071890e-01,
194  5.2614689361537370e-01,
195  5.3866555516494707e-01,
196  5.5078726086685548e-01,
197  5.6253767242493713e-01,
198  5.7393959509108416e-01,
199  5.8501340538603808e-01,
200  5.9577739962289589e-01,
201  6.0624808046992618e-01,
202  6.1644039452125454e-01,
203  6.2636793075122332e-01,
204  6.3604308745683114e-01,
205  6.4547721360375421e-01,
206  6.5468072922128573e-01,
207  6.6366322852615678e-01,
208  6.7243356871426985e-01,
209  6.8099994678550080e-01,
210  6.8936996631845004e-01,
211  6.9755069575905826e-01,
212  7.0554871950701692e-01,
213  7.1337018286022835e-01,
214  7.2102083169772524e-01,
215  7.2850604763592930e-01,
216  7.3583087927469160e-01,
217  7.4300007005262669e-01,
218  7.5001808315149976e-01,
219  7.5688912382349072e-01,
220  7.6361715946037545e-01,
221  7.7020593767795176e-01,
222  7.7665900265072108e-01,
223  7.8297970989959387e-01,
224  7.8917123970814540e-01,
225  7.9523660931984863e-01,
226  8.0117868404905013e-01,
227  8.0700018742166657e-01,
228  8.1270371044719725e-01,
229  8.1829172011128060e-01,
230  8.2376656716737073e-01,
231  8.2913049329689337e-01,
232  8.3438563769925034e-01,
233  8.3953404316610014e-01,
234  8.4457766168828619e-01,
235  8.4951835963849931e-01,
236  8.5435792256812348e-01,
237  8.5909805965265240e-01,
238  8.6374040781648287e-01,
239  8.6828653556473834e-01,
240  8.7273794654698422e-01,
241  8.7709608287523277e-01,
242  8.8136232821644189e-01,
243  8.8553801067776683e-01,
244  8.8962440550108890e-01,
245  8.9362273758180211e-01,
246  8.9753418382545314e-01,
247  9.0135987535459439e-01,
248  9.0510089957710071e-01,
249  9.0875830212620523e-01,
250  9.1233308868161167e-01,
251  9.1582622668023383e-01,
252  9.1923864692438817e-01,
253  9.2257124509460220e-01,
254  9.2582488317361000e-01,
255  9.2900039078756702e-01,
256  9.3209856647002476e-01,
257  9.3512017885376519e-01,
258  9.3806596779518647e-01,
259  9.4093664543556887e-01,
260  9.4373289720320885e-01,
261  9.4645538276010821e-01,
262  9.4910473689662045e-01,
263  9.5168157037720480e-01,
264  9.5418647074020169e-01,
265  9.5662000305432682e-01,
266  9.5898271063438811e-01,
267  9.6127511571854196e-01,
268  9.6349772010924517e-01,
269  9.6565100577989871e-01,
270  9.6773543544904150e-01,
271  9.6975145312382061e-01,
272  9.7169948461434141e-01,
273  9.7357993802039255e-01,
274  9.7539320419193287e-01,
275  9.7713965716463436e-01,
276  9.7881965457168485e-01,
277  9.8043353803296895e-01,
278  9.8198163352267298e-01,
279  9.8346425171628327e-01,
280  9.8488168831788114e-01,
281  9.8623422436857799e-01,
282  9.8752212653686955e-01,
283  9.8874564739163850e-01,
284  9.8990502565848182e-01,
285  9.9100048645998573e-01,
286  9.9203224154053404e-01,
287  9.9300048947618558e-01,
288  9.9390541587011760e-01,
289  9.9474719353409491e-01,
290  9.9552598265638670e-01,
291  9.9624193095651714e-01,
292  9.9689517382720594e-01,
293  9.9748583446381822e-01,
294  9.9801402398161920e-01,
295  9.9847984152109337e-01,
296  9.9888337434156493e-01,
297  9.9922469790332624e-01,
298  9.9950387593845580e-01,
299  9.9972096051048054e-01,
300  9.9987599206301525e-01,
301  9.9996899945748308e-01,
302  1.0000000000000000e+00
303  };
304 
305  // setup Function
306  this->setAttributeValue(TT("function"), TT("easeOutCircular"));
307 
308 
309  // create 1 channel audio signal objects
310  TTObjectBaseInstantiate(kTTSym_audiosignal, &input, 1);
311  TTObjectBaseInstantiate(kTTSym_audiosignal, &output, 1);
312  input->allocWithVectorSize(N);
313  output->allocWithVectorSize(N);
314 
315  // create a signal to be transformed and then process it)
316  input->clear();
317  for (int i=0; i<N; i++)
318  input->mSampleVectors[0][i] = inputSignal1[i];
319 
320  this->process(input, output);
321 
322  // now test the output
323  for (int n=0; n<N; n++)
324  {
325  TTBoolean result = !TTTestFloatEquivalence(output->mSampleVectors[0][n], expectedSignal1[n]);
326  badSampleCount += result;
327  if (result)
328  TTTestLog("BAD SAMPLE @ n=%i ( value=%.10f expected=%.10f )", n, output->mSampleVectors[0][n], expectedSignal1[n]);
329  }
330 
331  TTTestAssertion("Produces correct function values",
332  badSampleCount == 0,
333  testAssertionCount,
334  errorCount);
335  if (badSampleCount)
336  TTTestLog("badSampleCount is %i", badSampleCount);
337 
338 
339  TTObjectBaseRelease(&input);
340  TTObjectBaseRelease(&output);
341 
342  // wrap up test results and pass back to whoever called test
343  return TTTestFinish(testAssertionCount, errorCount, returnedTestInfo);
344 
345 }
bool TTBoolean
Boolean flag, same as Boolean on the Mac.
Definition: TTBase.h:167
TTErr TTObjectBaseRelease(TTObjectBasePtr *anObject)
DEPRECATED.
virtual TTErr test(TTValue &returnedTestInfo)
Unit Tests.
TTErr setAttributeValue(const TTSymbol name, TTValue &value)
Set an attribute value for an object.
double TTFloat64
64 bit floating point number
Definition: TTBase.h:188
#define TT
This macro is defined as a shortcut for doing a lookup in the symbol table.
Definition: TTSymbol.h:155
TTErr clear()
Zero out all of the sample values in the audio signal.
TTErr TTObjectBaseInstantiate(const TTSymbol className, TTObjectBasePtr *returnedObjectPtr, const TTValue arguments)
DEPRECATED.
The TTAudioSignal class represents N vectors of audio samples for M channels.
Definition: TTAudioSignal.h:57
TTSampleValue ** mSampleVectors
An array of pointers to the first sample in each vector. Declared Public for fast access...
Definition: TTAudioSignal.h:74
TTErr
Jamoma Error Codes Enumeration of error codes that might be returned by any of the TTBlue functions a...
Definition: TTBase.h:342
TTFunction is a generalized function wrapper for Jamoma DSP
TTErr allocWithVectorSize(const TTUInt16 newVectorSize)
Allocate memory for all channels at the specified vectorsize, if the vectorsize is different from the...
[doxygenAppendixC_copyExample]
Definition: TTValue.h:34
TTCircularEaseOutFunction Unit for Jamoms DSP