Jamoma API  0.6.0.a19
TTQuadraticEaseInFunction.test.cpp
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1 /** @file
2  *
3  * @ingroup dspFunctionLib
4  *
5  * @brief Unit tests for the Jamoma DSP #TTQuadraticEaseInFunction 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 .* 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  6.2000124000247993e-05,
176  2.4800049600099197e-04,
177  5.5800111600223194e-04,
178  9.9200198400396788e-04,
179  1.5500031000062000e-03,
180  2.2320044640089277e-03,
181  3.0380060760121521e-03,
182  3.9680079360158715e-03,
183  5.0220100440200883e-03,
184  6.2000124000248001e-03,
185  7.5020150040300080e-03,
186  8.9280178560357110e-03,
187  1.0478020956041912e-02,
188  1.2152024304048608e-02,
189  1.3950027900055799e-02,
190  1.5872031744063486e-02,
191  1.7918035836071669e-02,
192  2.0088040176080353e-02,
193  2.2382044764089531e-02,
194  2.4800049600099201e-02,
195  2.7342054684109364e-02,
196  3.0008060016120032e-02,
197  3.2798065596131194e-02,
198  3.5712071424142844e-02,
199  3.8750077500154995e-02,
200  4.1912083824167647e-02,
201  4.5198090396180800e-02,
202  4.8608097216194433e-02,
203  5.2142104284208561e-02,
204  5.5800111600223197e-02,
205  5.9582119164238334e-02,
206  6.3488126976253945e-02,
207  6.7518135036270063e-02,
208  7.1672143344286676e-02,
209  7.5950151900303811e-02,
210  8.0352160704321413e-02,
211  8.4878169756339508e-02,
212  8.9528179056358126e-02,
213  9.4302188604377210e-02,
214  9.9200198400396802e-02,
215  1.0422220844441688e-01,
216  1.0936821873643746e-01,
217  1.1463822927645856e-01,
218  1.2003224006448013e-01,
219  1.2555025110050219e-01,
220  1.3119226238452478e-01,
221  1.3695827391654783e-01,
222  1.4284828569657138e-01,
223  1.4886229772459544e-01,
224  1.5500031000061998e-01,
225  1.6126232252464506e-01,
226  1.6764833529667059e-01,
227  1.7415834831669660e-01,
228  1.8079236158472320e-01,
229  1.8755037510075021e-01,
230  1.9443238886477773e-01,
231  2.0143840287680573e-01,
232  2.0856841713683424e-01,
233  2.1582243164486328e-01,
234  2.2320044640089279e-01,
235  2.3070246140492279e-01,
236  2.3832847665695334e-01,
237  2.4607849215698432e-01,
238  2.5395250790501578e-01,
239  2.6195052390104778e-01,
240  2.7007254014508025e-01,
241  2.7831855663711325e-01,
242  2.8668857337714670e-01,
243  2.9518259036518074e-01,
244  3.0380060760121524e-01,
245  3.1254262508525016e-01,
246  3.2140864281728565e-01,
247  3.3039866079732155e-01,
248  3.3951267902535803e-01,
249  3.4875069750139492e-01,
250  3.5811271622543250e-01,
251  3.6759873519747044e-01,
252  3.7720875441750884e-01,
253  3.8694277388554776e-01,
254  3.9680079360158721e-01,
255  4.0678281356562712e-01,
256  4.1688883377766750e-01,
257  4.2711885423770840e-01,
258  4.3747287494574982e-01,
259  4.4795089590179182e-01,
260  4.5855291710583423e-01,
261  4.6927893855787711e-01,
262  4.8012896025792051e-01,
263  4.9110298220596438e-01,
264  5.0220100440200877e-01,
265  5.1342302684605357e-01,
266  5.2476904953809911e-01,
267  5.3623907247814495e-01,
268  5.4783309566619132e-01,
269  5.5955111910223820e-01,
270  5.7139314278628550e-01,
271  5.8335916671833343e-01,
272  5.9544919089838177e-01,
273  6.0766321532643053e-01,
274  6.2000124000247991e-01,
275  6.3246326492652993e-01,
276  6.4504929009858025e-01,
277  6.5775931551863109e-01,
278  6.7059334118668235e-01,
279  6.8355136710273412e-01,
280  6.9663339326678642e-01,
281  7.0983941967883923e-01,
282  7.2316944633889280e-01,
283  7.3662347324694655e-01,
284  7.5020150040300082e-01,
285  7.6390352780705562e-01,
286  7.7772955545911093e-01,
287  7.9167958335916666e-01,
288  8.0575361150722291e-01,
289  8.1995163990327968e-01,
290  8.3427366854733698e-01,
291  8.4871969743939490e-01,
292  8.6328972657945313e-01,
293  8.7798375596751199e-01,
294  8.9280178560357115e-01,
295  9.0774381548763095e-01,
296  9.2280984561969115e-01,
297  9.3799987599975188e-01,
298  9.5331390662781335e-01,
299  9.6875193750387512e-01,
300  9.8431396862793730e-01,
301  1.0000000000000000e+00
302  };
303 
304  // setup Function
305  this->setAttributeValue(TT("function"), TT("easeInQuadratic"));
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
TTErr TTObjectBaseRelease(TTObjectBasePtr *anObject)
DEPRECATED.
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
TTQuadraticEaseInFunction Unit for Jamoms DSP
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
virtual TTErr test(TTValue &returnedTestInfo)
Unit Tests.
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