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Revision 991 - (show annotations) (download) (as text)
Thu Dec 21 10:44:32 2006 UTC (13 years, 1 month ago) by johnpye
File MIME type: text/x-python
File size: 10866 byte(s)
Added IDA 'MAXNCF' option.
Added TestIDA.testlotkaDENSE.
1 import unittest
2 import ascpy
3 import math
4 import os, subprocess, sys
5 import atexit
6
7 class Ascend(unittest.TestCase):
8
9 def setUp(self):
10 import ascpy
11 self.L = ascpy.Library()
12
13 def tearDown(self):
14 self.L.clear()
15 del self.L
16
17 class TestCompiler(Ascend):
18
19 def testloading(self):
20 pass
21
22 def testsystema4l(self):
23 self.L.load('system.a4l')
24
25 def testatomsa4l(self):
26 self.L.load('atoms.a4l')
27
28 class TestSolver(Ascend):
29
30 def _run(self,modelname,solvername="QRSlv",filename=None):
31 if filename==None:
32 filename = 'johnpye/%s.a4c' % modelname
33 self.L.load(filename)
34 T = self.L.findType(modelname)
35 M = T.getSimulation('sim')
36 M.build()
37 M.solve(ascpy.Solver(solvername),ascpy.SolverReporter())
38 M.run(T.getMethod('self_test'))
39
40 def testlog10(self):
41 self._run('testlog10')
42
43 def testconopt(self):
44 self._run('testconopt',"CONOPT")
45
46 def testcmslv2(self):
47 self._run('testcmslv2',"CMSlv")
48
49 def testsunpos1(self):
50 self._run('example_1_6_1',"QRSlv","johnpye/sunpos.a4c")
51
52 def testsunpos2(self):
53 self._run('example_1_6_2',"QRSlv","johnpye/sunpos.a4c")
54
55 def testsunpos3(self):
56 self._run('example_1_7_1',"QRSlv","johnpye/sunpos.a4c")
57
58 def testsunpos4(self):
59 self._run('example_1_7_2',"QRSlv","johnpye/sunpos.a4c")
60
61 def testsunpos5(self):
62 self._run('example_1_7_3',"QRSlv","johnpye/sunpos.a4c")
63
64 def testsunpos6(self):
65 self._run('example_1_8_1',"QRSlv","johnpye/sunpos.a4c")
66
67 class TestIntegrator(Ascend):
68
69 def testListIntegrators(self):
70 I = ascpy.Integrator.getEngines()
71 s1 = sorted([str(i) for i in I.values()])
72 s2 = sorted(['IDA','LSODE','AWW'])
73 assert s1==s2
74
75 # this routine is reused by both testIDA and testLSODE
76 def _testIntegrator(self,integratorname):
77 self.L.load('johnpye/shm.a4c')
78 M = self.L.findType('shm').getSimulation('sim')
79 M.setSolver(ascpy.Solver('QRSlv'))
80 print M.getChildren()
81 assert float(M.x) == 10.0
82 assert float(M.v) == 0.0
83 t_end = math.pi
84
85 I = ascpy.Integrator(M)
86 I.setReporter(ascpy.IntegratorReporterNull(I))
87 I.setEngine(integratorname);
88 I.setLinearTimesteps(ascpy.Units("s"), 0.0, t_end, 100);
89 I.setMinSubStep(0.0005); # these limits are required by IDA at present (numeric diff)
90 I.setMaxSubStep(0.02);
91 I.setInitialSubStep(0.001);
92 I.setMaxSubSteps(200);
93 if(integratorname=='IDA'):
94 I.setParameter('autodiff',False)
95 I.analyse();
96 I.solve();
97 print "At end of simulation,"
98 print "x = %f" % M.x
99 print "v = %f" % M.v
100 assert abs(float(M.x) + 10) < 1e-2
101 assert abs(float(M.v)) < 1e-2
102 assert I.getNumObservedVars() == 3
103
104 def testInvalidIntegrator(self):
105 self.L.load('johnpye/shm.a4c')
106 M = self.L.findType('shm').getSimulation('sim')
107 M.setSolver(ascpy.Solver('QRSlv'))
108 I = ascpy.Integrator(M)
109 try:
110 I.setEngine('___NONEXISTENT____')
111 except RuntimeError:
112 return
113 self.fail("setEngine did not raise error!")
114
115 def testLSODE(self):
116 self._testIntegrator('LSODE')
117
118 def testIDA(self):
119 self._testIntegrator('IDA')
120
121 class TestLSODE(Ascend):
122
123 def testzill(self):
124 self.L.load('johnpye/zill.a4c')
125 T = self.L.findType('zill')
126 M = T.getSimulation('sim')
127 M.setSolver(ascpy.Solver('QRSlv'))
128 I = ascpy.Integrator(M)
129 I.setEngine('LSODE')
130 I.setMinSubStep(1e-7)
131 I.setMaxSubStep(0.001)
132 I.setMaxSubSteps(10000)
133 I.setReporter(ascpy.IntegratorReporterConsole(I))
134 I.setLinearTimesteps(ascpy.Units(), 1.0, 1.5, 5);
135 I.analyse()
136 I.solve()
137 M.run(T.getMethod('self_test'))
138
139 def testnewton(self):
140 sys.stderr.write("STARTING TESTNEWTON\n")
141 self.L.load('johnpye/newton.a4c')
142 T = self.L.findType('newton')
143 M = T.getSimulation('sim')
144 M.solve(ascpy.Solver("QRSlv"),ascpy.SolverReporter())
145 I = ascpy.Integrator(M)
146 I.setEngine('LSODE')
147 I.setParameter('rtolvect',False)
148 I.setParameter('rtol',1e-7)
149 I.setParameter('atolvect',False)
150 I.setParameter('atol',1e-7)
151 I.setMinSubStep(1e-7)
152 I.setMaxSubStep(0.001)
153 I.setMaxSubSteps(10000)
154
155 I.setReporter(ascpy.IntegratorReporterConsole(I))
156 I.setLinearTimesteps(ascpy.Units("s"), 0, 2*float(M.v)/float(M.g), 2);
157 I.analyse()
158 I.solve()
159 print "At end of simulation,"
160 print "x = %f" % M.x
161 print "v = %f" % M.v
162 M.run(T.getMethod('self_test'))
163
164 def testlotka(self):
165 self.L.load('johnpye/lotka.a4c')
166 M = self.L.findType('lotka').getSimulation('sim')
167 M.setSolver(ascpy.Solver("QRSlv"))
168 I = ascpy.Integrator(M)
169 I.setEngine('LSODE')
170 I.setReporter(ascpy.IntegratorReporterConsole(I))
171 I.setLinearTimesteps(ascpy.Units("s"), 0, 200, 5);
172 I.analyse()
173 print "Number of vars = %d" % I.getNumVars()
174 assert I.getNumVars()==2
175 I.solve()
176 assert I.getNumObservedVars() == 3;
177 assert abs(M.R - 832) < 1.0
178 assert abs(M.F - 21.36) < 0.1
179
180 class TestIDA(Ascend):
181
182 def testparameters(self):
183 self.L.load('johnpye/shm.a4c')
184 M = self.L.findType('shm').getSimulation('sim')
185 M.build()
186 I = ascpy.Integrator(M)
187 I.setEngine('IDA')
188 P = I.getParameters()
189 for p in P:
190 print p.getName(),"=",p.getValue()
191 assert len(P)==9
192 assert P[0].isStr()
193 assert P[0].getName()=="linsolver"
194 assert P[0].getValue()=='SPGMR'
195 assert P[2].getName()=="autodiff"
196 assert P[2].getValue()==True
197 assert P[7].getName()=="atolvect"
198 assert P[7].getBoolValue() == True
199 P[2].setBoolValue(False)
200 assert P[2].getBoolValue()==False
201 I.setParameters(P)
202 for p in I.getParameters():
203 print p.getName(),"=",p.getValue()
204 assert I.getParameterValue('autodiff')==False
205 I.setParameter('autodiff',True)
206 try:
207 v = I.getParameterValue('nonexist')
208 except KeyError:
209 pass
210 else:
211 self.fail('Failed to trip invalid Integrator parameter')
212
213 def testnewton(self):
214 sys.stderr.write("STARTING TESTNEWTON\n")
215 self.L.load('johnpye/newton.a4c')
216 T = self.L.findType('newton')
217 M = T.getSimulation('sim')
218 M.solve(ascpy.Solver("QRSlv"),ascpy.SolverReporter())
219 I = ascpy.Integrator(M)
220 I.setEngine('IDA')
221 I.setParameter('safeeval',True)
222 I.setParameter('rtol',1e-8)
223 I.setMaxSubStep(0.001)
224 I.setMaxSubSteps(10000)
225
226 I.setReporter(ascpy.IntegratorReporterConsole(I))
227 I.setLinearTimesteps(ascpy.Units("s"), 0, 2*float(M.v)/float(M.g), 2);
228 I.analyse()
229 I.solve()
230 print "At end of simulation,"
231 print "x = %f" % M.x
232 print "v = %f" % M.v
233 M.run(T.getMethod('self_test'))
234
235 def testlotka(self):
236 self.L.load('johnpye/lotka.a4c')
237 M = self.L.findType('lotka').getSimulation('sim')
238 M.setSolver(ascpy.Solver("QRSlv"))
239 I = ascpy.Integrator(M)
240 I.setEngine('IDA')
241 I.setReporter(ascpy.IntegratorReporterConsole(I))
242 I.setLinearTimesteps(ascpy.Units("s"), 0, 200, 5);
243 I.setParameter('rtol',1e-8);
244 I.analyse()
245 assert I.getNumVars()==2
246 assert abs(M.R - 1000) < 1e-300
247 I.solve()
248 assert I.getNumObservedVars() == 3;
249 assert abs(M.R - 832) < 1.0
250 assert abs(M.F - 21.36) < 0.1
251
252 def testlotkaDENSE(self):
253 self.L.load('johnpye/lotka.a4c')
254 M = self.L.findType('lotka').getSimulation('sim')
255 M.setSolver(ascpy.Solver("QRSlv"))
256 I = ascpy.Integrator(M)
257 I.setEngine('IDA')
258 I.setReporter(ascpy.IntegratorReporterConsole(I))
259 I.setLinearTimesteps(ascpy.Units("s"), 0, 200, 5);
260 I.setParameter('linsolver','DENSE')
261 I.setParameter('rtol',1e-8);
262 I.analyse()
263 assert I.getNumVars()==2
264 assert abs(M.R - 1000) < 1e-300
265 I.solve()
266 assert I.getNumObservedVars() == 3;
267 assert abs(M.R - 832) < 1.0
268 assert abs(M.F - 21.36) < 0.1
269
270 def testzill(self):
271 self.L.load('johnpye/zill.a4c')
272 T = self.L.findType('zill')
273 M = T.getSimulation('sim')
274 M.setSolver(ascpy.Solver('QRSlv'))
275 I = ascpy.Integrator(M)
276 I.setEngine('IDA')
277 I.setParameter('safeeval',False)
278 I.setMinSubStep(1e-7)
279 I.setMaxSubStep(0.001)
280 I.setMaxSubSteps(10000)
281 I.setReporter(ascpy.IntegratorReporterConsole(I))
282 I.setLinearTimesteps(ascpy.Units(), 1.0, 1.5, 5);
283 I.analyse()
284 I.solve()
285 M.run(T.getMethod('self_test'))
286
287 def testdenx(self):
288 self.L.load('johnpye/idadenx.a4c')
289 M = self.L.findType('idadenx').getSimulation('sim')
290 M.solve(ascpy.Solver("QRSlv"),ascpy.SolverReporter())
291 I = ascpy.Integrator(M)
292 I.setEngine('IDA')
293 I.setParameter('calcic',False)
294 I.setParameter('linsolver','DENSE')
295 I.setReporter(ascpy.IntegratorReporterConsole(I))
296 I.setLogTimesteps(ascpy.Units("s"), 0.4, 4e10, 11);
297 I.setMaxSubStep(0);
298 I.setInitialSubStep(0);
299 I.setMaxSubSteps(0);
300 I.setParameter('autodiff',True)
301 I.analyse()
302 I.solve()
303 assert abs(float(M.y1) - 5.1091e-08) < 1e-10;
304 assert abs(float(M.y2) - 2.0437e-13) < 1e-15;
305 assert abs(float(M.y3) - 1.0) < 1e-5;
306
307 def testkryxDENSE(self):
308 self.L.load('johnpye/idakryx.a4c')
309 M = self.L.findType('idakryx').getSimulation('sim')
310 M.setSolver(ascpy.Solver('QRSlv'))
311 M.build()
312 I = ascpy.Integrator(M)
313 I.setEngine('IDA')
314 I.setReporter(ascpy.IntegratorReporterConsole(I))
315 I.setParameter('linsolver','DENSE')
316 I.setParameter('maxl',8)
317 I.setParameter('gsmodified',False)
318 I.setParameter('autodiff',True)
319 I.setParameter('rtol',0)
320 I.setParameter('atol',1e-3);
321 I.setParameter('atolvect',False)
322 I.setParameter('calcic',True)
323 I.analyse()
324 I.setLogTimesteps(ascpy.Units("s"), 0.01, 10.24, 11);
325 I.solve()
326 assert abs(M.u[2][2].getValue()) < 1e-5
327
328 def testdenxSPGMR(self):
329 self.L.load('johnpye/idadenx.a4c')
330 M = self.L.findType('idadenx').getSimulation('sim')
331 M.setSolver(ascpy.Solver('QRSlv'))
332 I = ascpy.Integrator(M)
333 I.setEngine('IDA')
334 I.setReporter(ascpy.IntegratorReporterConsole(I))
335 I.setLogTimesteps(ascpy.Units("s"), 0.4, 4e10, 11);
336 I.setMaxSubStep(0);
337 I.setInitialSubStep(0);
338 I.setMaxSubSteps(0);
339 I.setParameter('autodiff',True)
340 I.setParameter('linsolver','SPGMR')
341 I.setParameter('gsmodified',False)
342 I.setParameter('maxncf',10)
343 I.analyse()
344 I.solve()
345 assert abs(float(M.y1) - 5.1091e-08) < 1e-10;
346 assert abs(float(M.y2) - 2.0437e-13) < 1e-15;
347 assert abs(float(M.y3) - 1.0) < 1e-5;
348
349 def testkryx(self):
350 self.L.load('johnpye/idakryx.a4c')
351 M = self.L.findType('idakryx').getSimulation('sim')
352 M.build()
353 I = ascpy.Integrator(M)
354 I.setEngine('IDA')
355 I.setReporter(ascpy.IntegratorReporterConsole(I))
356 I.setParameter('linsolver','SPTFQMR')
357 I.setParameter('maxl',8)
358 I.setParameter('gsmodified',False)
359 I.setParameter('autodiff',True)
360 I.setParameter('rtol',0)
361 I.setParameter('atol',1e-3);
362 I.setParameter('atolvect',False)
363 I.setParameter('calcic',True)
364 I.analyse()
365 I.setLogTimesteps(ascpy.Units("s"), 0.01, 10.24, 10);
366 print M.udot[1][3];
367 I.solve()
368 assert 0
369
370 class CUnit(unittest.TestCase):
371 def setUp(self):
372 self.cunitexe = "../base/generic/test/test"
373
374 def testcunittests(self):
375 res = os.system(self.cunitexe)
376 if res:
377 raise RuntimeError("CUnit tests failed (returned %d -- run %s for details)" % (res,self.cunitexe))
378 else:
379 print "CUnit returned %s" % res
380
381 # move code above down here if you want to temporarily avoid testing it
382 class NotToBeTested:
383 def nothing(self):
384 pass
385
386 if __name__=='__main__':
387 atexit.register(ascpy.shutdown)
388 unittest.main()

john.pye@anu.edu.au
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