Jamoma API  0.6.0.a19
TTExponentialEaseOutFunction.test.cpp
Go to the documentation of this file.
1 /** @file
2  *
3  * @ingroup dspFunctionLib
4  *
5  * @brief Unit tests for the Jamoma DSP #TTExponentialEaseOutFunction 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 = ((x == 1.0) .* x) + ( (x != 1.0) .* (1 - (2 .^ (-10 * x))))
26  printf("%.16e,\n", y)
27 
28  */
29 
31 {
32  int errorCount = 0;
33  int testAssertionCount = 0;
34  int badSampleCount = 0;
35  TTAudioSignalPtr input = NULL;
36  TTAudioSignalPtr output = NULL;
37  int N = 128;
38  TTValue v;
39 
40 
41  TTFloat64 inputSignal1[128] = {
42  0.0000000000000000e+00,
43  7.8740157480314960e-03,
44  1.5748031496062992e-02,
45  2.3622047244094488e-02,
46  3.1496062992125984e-02,
47  3.9370078740157480e-02,
48  4.7244094488188976e-02,
49  5.5118110236220472e-02,
50  6.2992125984251968e-02,
51  7.0866141732283464e-02,
52  7.8740157480314960e-02,
53  8.6614173228346455e-02,
54  9.4488188976377951e-02,
55  1.0236220472440945e-01,
56  1.1023622047244094e-01,
57  1.1811023622047244e-01,
58  1.2598425196850394e-01,
59  1.3385826771653542e-01,
60  1.4173228346456693e-01,
61  1.4960629921259844e-01,
62  1.5748031496062992e-01,
63  1.6535433070866140e-01,
64  1.7322834645669291e-01,
65  1.8110236220472442e-01,
66  1.8897637795275590e-01,
67  1.9685039370078738e-01,
68  2.0472440944881889e-01,
69  2.1259842519685040e-01,
70  2.2047244094488189e-01,
71  2.2834645669291337e-01,
72  2.3622047244094488e-01,
73  2.4409448818897639e-01,
74  2.5196850393700787e-01,
75  2.5984251968503935e-01,
76  2.6771653543307083e-01,
77  2.7559055118110237e-01,
78  2.8346456692913385e-01,
79  2.9133858267716534e-01,
80  2.9921259842519687e-01,
81  3.0708661417322836e-01,
82  3.1496062992125984e-01,
83  3.2283464566929132e-01,
84  3.3070866141732280e-01,
85  3.3858267716535434e-01,
86  3.4645669291338582e-01,
87  3.5433070866141730e-01,
88  3.6220472440944884e-01,
89  3.7007874015748032e-01,
90  3.7795275590551181e-01,
91  3.8582677165354329e-01,
92  3.9370078740157477e-01,
93  4.0157480314960631e-01,
94  4.0944881889763779e-01,
95  4.1732283464566927e-01,
96  4.2519685039370081e-01,
97  4.3307086614173229e-01,
98  4.4094488188976377e-01,
99  4.4881889763779526e-01,
100  4.5669291338582674e-01,
101  4.6456692913385828e-01,
102  4.7244094488188976e-01,
103  4.8031496062992124e-01,
104  4.8818897637795278e-01,
105  4.9606299212598426e-01,
106  5.0393700787401574e-01,
107  5.1181102362204722e-01,
108  5.1968503937007871e-01,
109  5.2755905511811019e-01,
110  5.3543307086614167e-01,
111  5.4330708661417326e-01,
112  5.5118110236220474e-01,
113  5.5905511811023623e-01,
114  5.6692913385826771e-01,
115  5.7480314960629919e-01,
116  5.8267716535433067e-01,
117  5.9055118110236215e-01,
118  5.9842519685039375e-01,
119  6.0629921259842523e-01,
120  6.1417322834645671e-01,
121  6.2204724409448819e-01,
122  6.2992125984251968e-01,
123  6.3779527559055116e-01,
124  6.4566929133858264e-01,
125  6.5354330708661412e-01,
126  6.6141732283464560e-01,
127  6.6929133858267720e-01,
128  6.7716535433070868e-01,
129  6.8503937007874016e-01,
130  6.9291338582677164e-01,
131  7.0078740157480313e-01,
132  7.0866141732283461e-01,
133  7.1653543307086609e-01,
134  7.2440944881889768e-01,
135  7.3228346456692917e-01,
136  7.4015748031496065e-01,
137  7.4803149606299213e-01,
138  7.5590551181102361e-01,
139  7.6377952755905509e-01,
140  7.7165354330708658e-01,
141  7.7952755905511806e-01,
142  7.8740157480314954e-01,
143  7.9527559055118113e-01,
144  8.0314960629921262e-01,
145  8.1102362204724410e-01,
146  8.1889763779527558e-01,
147  8.2677165354330706e-01,
148  8.3464566929133854e-01,
149  8.4251968503937003e-01,
150  8.5039370078740162e-01,
151  8.5826771653543310e-01,
152  8.6614173228346458e-01,
153  8.7401574803149606e-01,
154  8.8188976377952755e-01,
155  8.8976377952755903e-01,
156  8.9763779527559051e-01,
157  9.0551181102362199e-01,
158  9.1338582677165348e-01,
159  9.2125984251968507e-01,
160  9.2913385826771655e-01,
161  9.3700787401574803e-01,
162  9.4488188976377951e-01,
163  9.5275590551181100e-01,
164  9.6062992125984248e-01,
165  9.6850393700787396e-01,
166  9.7637795275590555e-01,
167  9.8425196850393704e-01,
168  9.9212598425196852e-01,
169  1.0000000000000000e+00
170  };
171 
172 
173  TTFloat64 expectedSignal1[128] = {
174  0.0000000000000000e+00,
175  5.3115841657543350e-02,
176  1.0341039068009750e-01,
177  1.5103350240053215e-01,
178  1.9612707245958461e-01,
179  2.3882545959160717e-01,
180  2.7925588595369266e-01,
181  3.1753881619098279e-01,
182  3.5378831636760211e-01,
183  3.8811239383267504e-01,
184  4.2061331903407195e-01,
185  4.5138793023874779e-01,
186  4.8052792206760364e-01,
187  5.0812011870457585e-01,
188  5.3424673259399480e-01,
189  5.5898560939701558e-01,
190  5.8241045993698171e-01,
191  6.0459107982481530e-01,
192  6.2559355741882072e-01,
193  6.4548047073852666e-01,
194  6.6431107391928590e-01,
195  6.8214147376317991e-01,
196  6.9902479691227493e-01,
197  7.1501134814232947e-01,
198  7.3014876024859832e-01,
199  7.4448213597032553e-01,
200  7.5805418237679945e-01,
201  7.7090533811537820e-01,
202  7.8307389390063020e-01,
203  7.9459610660359181e-01,
204  8.0550630728107830e-01,
205  8.1583700346692745e-01,
206  8.2561897602995682e-01,
207  8.3488137088722991e-01,
208  8.4365178584589440e-01,
209  8.5195635283234361e-01,
210  8.5981981575370603e-01,
211  8.6726560422365750e-01,
212  8.7431590337222342e-01,
213  8.8099171994757575e-01,
214  8.8731294490677681e-01,
215  8.9329841268196331e-01,
216  8.9896595729855666e-01,
217  9.0433246551270807e-01,
218  9.0941392712630265e-01,
219  9.1422548262944070e-01,
220  9.1878146831234753e-01,
221  9.2309545898112699e-01,
222  9.2718030840463150e-01,
223  9.3104818761296226e-01,
224  9.3471062116171277e-01,
225  9.3817852147000658e-01,
226  9.4146222133464097e-01,
227  9.4457150471721452e-01,
228  9.4751563589597088e-01,
229  9.5030338706921724e-01,
230  9.5294306449256494e-01,
231  9.5544253322786710e-01,
232  9.5780924057759698e-01,
233  9.6005023827448888e-01,
234  9.6217220349255761e-01,
235  9.6418145874210071e-01,
236  9.6608399070795947e-01,
237  9.6788546808717135e-01,
238  9.6959125847915928e-01,
239  9.7120644437878534e-01,
240  9.7273583831991950e-01,
241  9.7418399721464433e-01,
242  9.7555523593082194e-01,
243  9.7685364014847642e-01,
244  9.7808307853329846e-01,
245  9.7924721426354455e-01,
246  9.8034951594467512e-01,
247  9.8139326794425175e-01,
248  9.8238158017788924e-01,
249  9.8331739737541657e-01,
250  9.8420350785485966e-01,
251  9.8504255183038558e-01,
252  9.8583702927896377e-01,
253  9.8658930738918271e-01,
254  9.8730162761441687e-01,
255  9.8797611235135807e-01,
256  9.8861477126381136e-01,
257  9.8921950727059771e-01,
258  9.8979212221540291e-01,
259  9.9033432223546913e-01,
260  9.9084772284512279e-01,
261  9.9133385374928717e-01,
262  9.9179416340132120e-01,
263  9.9223002331876431e-01,
264  9.9264273216984766e-01,
265  9.9303351964294617e-01,
266  9.9340355011050174e-01,
267  9.9375392609833424e-01,
268  9.9408569157067650e-01,
269  9.9439983504072227e-01,
270  9.9469729251595540e-01,
271  9.9497895028703420e-01,
272  9.9524564756854272e-01,
273  9.9549817899947624e-01,
274  9.9573729701091063e-01,
275  9.9596371406791218e-01,
276  9.9617810479236557e-01,
277  9.9638110797304602e-01,
278  9.9657332846892543e-01,
279  9.9675533901138236e-01,
280  9.9692768191068626e-01,
281  9.9709087067183977e-01,
282  9.9724539152459568e-01,
283  9.9739170487220374e-01,
284  9.9753024666320800e-01,
285  9.9766142969037819e-01,
286  9.9778564482064913e-01,
287  9.9790326215972902e-01,
288  9.9801463215485031e-01,
289  9.9812008663894525e-01,
290  9.9821993981936086e-01,
291  9.9831448921405663e-01,
292  9.9840401653807487e-01,
293  9.9848878854292655e-01,
294  9.9856905781139149e-01,
295  9.9864506351010274e-01,
296  9.9871703210215612e-01,
297  9.9878517802186972e-01,
298  9.9884970431370224e-01,
299  9.9891080323723502e-01,
300  9.9896865684001990e-01,
301  1.0000000000000000e+00
302  };
303 
304  // setup Function
305  this->setAttributeValue(TT("function"), TT("easeOutExponential"));
306 
307 
308  // create 1 channel audio signal objects
309  TTObjectBaseInstantiate(kTTSym_audiosignal, &input, 1);
310  TTObjectBaseInstantiate(kTTSym_audiosignal, &output, 1);
311  input->allocWithVectorSize(N);
312  output->allocWithVectorSize(N);
313 
314  // create a signal to be transformed and then process it)
315  input->clear();
316  for (int i=0; i<N; i++)
317  input->mSampleVectors[0][i] = inputSignal1[i];
318 
319  this->process(input, output);
320 
321  // now test the output
322  for (int n=0; n<N; n++)
323  {
324  TTBoolean result = !TTTestFloatEquivalence(output->mSampleVectors[0][n], expectedSignal1[n]);
325  badSampleCount += result;
326  if (result)
327  TTTestLog("BAD SAMPLE @ n=%i ( value=%.10f expected=%.10f )", n, output->mSampleVectors[0][n], expectedSignal1[n]);
328  }
329 
330  TTTestAssertion("Produces correct function values",
331  badSampleCount == 0,
332  testAssertionCount,
333  errorCount);
334  if (badSampleCount)
335  TTTestLog("badSampleCount is %i", badSampleCount);
336 
337 
338  TTObjectBaseRelease(&input);
339  TTObjectBaseRelease(&output);
340 
341  // wrap up test results and pass back to whoever called test
342  return TTTestFinish(testAssertionCount, errorCount, returnedTestInfo);
343 
344 }
bool TTBoolean
Boolean flag, same as Boolean on the Mac.
Definition: TTBase.h:167
TTExponentialEaseOutFunction Unit for Jamoms DSP
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