| 1 |
#!/usr/bin/env python |
| 2 |
import unittest |
| 3 |
|
| 4 |
import platform, sys |
| 5 |
if platform.system() != "Windows": |
| 6 |
import dl |
| 7 |
sys.setdlopenflags(dl.RTLD_GLOBAL|dl.RTLD_NOW) |
| 8 |
|
| 9 |
import ascpy |
| 10 |
import math |
| 11 |
import os, subprocess |
| 12 |
import atexit |
| 13 |
import cunit |
| 14 |
|
| 15 |
class Ascend(unittest.TestCase): |
| 16 |
|
| 17 |
def setUp(self): |
| 18 |
import ascpy |
| 19 |
self.L = ascpy.Library() |
| 20 |
|
| 21 |
def tearDown(self): |
| 22 |
self.L.clear() |
| 23 |
del self.L |
| 24 |
|
| 25 |
class AscendSelfTester(Ascend): |
| 26 |
|
| 27 |
def _run(self,modelname,solvername="QRSlv",filename=None): |
| 28 |
if filename==None: |
| 29 |
filename = 'johnpye/%s.a4c' % modelname |
| 30 |
self.L.load(filename) |
| 31 |
T = self.L.findType(modelname) |
| 32 |
M = T.getSimulation('sim') |
| 33 |
M.build() |
| 34 |
M.solve(ascpy.Solver(solvername),ascpy.SolverReporter()) |
| 35 |
M.run(T.getMethod('self_test')) |
| 36 |
return M |
| 37 |
|
| 38 |
class TestCompiler(Ascend): |
| 39 |
|
| 40 |
def testloading(self): |
| 41 |
pass |
| 42 |
|
| 43 |
def testsystema4l(self): |
| 44 |
self.L.load('system.a4l') |
| 45 |
|
| 46 |
def testatomsa4l(self): |
| 47 |
self.L.load('atoms.a4l') |
| 48 |
|
| 49 |
class TestSolver(AscendSelfTester): |
| 50 |
|
| 51 |
def testlog10(self): |
| 52 |
self._run('testlog10') |
| 53 |
|
| 54 |
def testconopt(self): |
| 55 |
self._run('testconopt',"CONOPT") |
| 56 |
|
| 57 |
def testcmslv2(self): |
| 58 |
self._run('testcmslv2',"CMSlv") |
| 59 |
|
| 60 |
def testsunpos1(self): |
| 61 |
self._run('example_1_6_1',"QRSlv","johnpye/sunpos.a4c") |
| 62 |
|
| 63 |
def testsunpos2(self): |
| 64 |
self._run('example_1_6_2',"QRSlv","johnpye/sunpos.a4c") |
| 65 |
|
| 66 |
def testsunpos3(self): |
| 67 |
self._run('example_1_7_1',"QRSlv","johnpye/sunpos.a4c") |
| 68 |
|
| 69 |
def testsunpos4(self): |
| 70 |
self._run('example_1_7_2',"QRSlv","johnpye/sunpos.a4c") |
| 71 |
|
| 72 |
def testsunpos5(self): |
| 73 |
self._run('example_1_7_3',"QRSlv","johnpye/sunpos.a4c") |
| 74 |
|
| 75 |
def testsunpos6(self): |
| 76 |
self._run('example_1_8_1',"QRSlv","johnpye/sunpos.a4c") |
| 77 |
|
| 78 |
class TestIntegrator(Ascend): |
| 79 |
|
| 80 |
def testListIntegrators(self): |
| 81 |
I = ascpy.Integrator.getEngines() |
| 82 |
s1 = sorted([str(i) for i in I.values()]) |
| 83 |
s2 = sorted(['IDA','LSODE','AWW']) |
| 84 |
assert s1==s2 |
| 85 |
|
| 86 |
# this routine is reused by both testIDA and testLSODE |
| 87 |
def _testIntegrator(self,integratorname): |
| 88 |
self.L.load('johnpye/shm.a4c') |
| 89 |
M = self.L.findType('shm').getSimulation('sim') |
| 90 |
M.setSolver(ascpy.Solver('QRSlv')) |
| 91 |
print M.getChildren() |
| 92 |
assert float(M.x) == 10.0 |
| 93 |
assert float(M.v) == 0.0 |
| 94 |
t_end = math.pi |
| 95 |
|
| 96 |
I = ascpy.Integrator(M) |
| 97 |
I.setReporter(ascpy.IntegratorReporterNull(I)) |
| 98 |
I.setEngine(integratorname); |
| 99 |
I.setLinearTimesteps(ascpy.Units("s"), 0.0, t_end, 100); |
| 100 |
I.setMinSubStep(0.0005); # these limits are required by IDA at present (numeric diff) |
| 101 |
I.setMaxSubStep(0.02); |
| 102 |
I.setInitialSubStep(0.001); |
| 103 |
I.setMaxSubSteps(200); |
| 104 |
if(integratorname=='IDA'): |
| 105 |
I.setParameter('autodiff',False) |
| 106 |
I.analyse(); |
| 107 |
I.solve(); |
| 108 |
print "At end of simulation," |
| 109 |
print "x = %f" % M.x |
| 110 |
print "v = %f" % M.v |
| 111 |
assert abs(float(M.x) + 10) < 1e-2 |
| 112 |
assert abs(float(M.v)) < 1e-2 |
| 113 |
assert I.getNumObservedVars() == 3 |
| 114 |
|
| 115 |
def testInvalidIntegrator(self): |
| 116 |
self.L.load('johnpye/shm.a4c') |
| 117 |
M = self.L.findType('shm').getSimulation('sim') |
| 118 |
M.setSolver(ascpy.Solver('QRSlv')) |
| 119 |
I = ascpy.Integrator(M) |
| 120 |
try: |
| 121 |
I.setEngine('___NONEXISTENT____') |
| 122 |
except RuntimeError: |
| 123 |
return |
| 124 |
self.fail("setEngine did not raise error!") |
| 125 |
|
| 126 |
def testLSODE(self): |
| 127 |
self._testIntegrator('LSODE') |
| 128 |
|
| 129 |
def testIDA(self): |
| 130 |
self._testIntegrator('IDA') |
| 131 |
|
| 132 |
def testparameters(self): |
| 133 |
self.L.load('johnpye/shm.a4c') |
| 134 |
M = self.L.findType('shm').getSimulation('sim') |
| 135 |
M.build() |
| 136 |
I = ascpy.Integrator(M) |
| 137 |
I.setEngine('IDA') |
| 138 |
P = I.getParameters() |
| 139 |
for p in P: |
| 140 |
print p.getName(),"=",p.getValue() |
| 141 |
assert len(P)==11 |
| 142 |
assert P[0].isStr() |
| 143 |
assert P[0].getName()=="linsolver" |
| 144 |
assert P[0].getValue()=='SPGMR' |
| 145 |
assert P[2].getName()=="autodiff" |
| 146 |
assert P[2].getValue()==True |
| 147 |
assert P[7].getName()=="atolvect" |
| 148 |
assert P[7].getBoolValue() == True |
| 149 |
P[2].setBoolValue(False) |
| 150 |
assert P[2].getBoolValue()==False |
| 151 |
I.setParameters(P) |
| 152 |
assert I.getParameterValue('autodiff')==False |
| 153 |
I.setParameter('autodiff',True) |
| 154 |
try: |
| 155 |
v = I.getParameterValue('nonexist') |
| 156 |
except KeyError: |
| 157 |
pass |
| 158 |
else: |
| 159 |
self.fail('Failed to trip invalid Integrator parameter') |
| 160 |
|
| 161 |
class TestLSODE(Ascend): |
| 162 |
|
| 163 |
def testzill(self): |
| 164 |
self.L.load('johnpye/zill.a4c') |
| 165 |
T = self.L.findType('zill') |
| 166 |
M = T.getSimulation('sim') |
| 167 |
M.setSolver(ascpy.Solver('QRSlv')) |
| 168 |
I = ascpy.Integrator(M) |
| 169 |
I.setEngine('LSODE') |
| 170 |
I.setMinSubStep(1e-7) |
| 171 |
I.setMaxSubStep(0.001) |
| 172 |
I.setMaxSubSteps(10000) |
| 173 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
| 174 |
I.setLinearTimesteps(ascpy.Units(), 1.0, 1.5, 5) |
| 175 |
I.analyse() |
| 176 |
I.solve() |
| 177 |
M.run(T.getMethod('self_test')) |
| 178 |
|
| 179 |
def testnewton(self): |
| 180 |
sys.stderr.write("STARTING TESTNEWTON\n") |
| 181 |
self.L.load('johnpye/newton.a4c') |
| 182 |
T = self.L.findType('newton') |
| 183 |
M = T.getSimulation('sim') |
| 184 |
M.solve(ascpy.Solver("QRSlv"),ascpy.SolverReporter()) |
| 185 |
I = ascpy.Integrator(M) |
| 186 |
I.setEngine('LSODE') |
| 187 |
I.setParameter('rtolvect',False) |
| 188 |
I.setParameter('rtol',1e-7) |
| 189 |
I.setParameter('atolvect',False) |
| 190 |
I.setParameter('atol',1e-7) |
| 191 |
I.setMinSubStep(1e-7) |
| 192 |
I.setMaxSubStep(0.001) |
| 193 |
I.setMaxSubSteps(10000) |
| 194 |
|
| 195 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
| 196 |
I.setLinearTimesteps(ascpy.Units("s"), 0, 2*float(M.v)/float(M.g), 2) |
| 197 |
I.analyse() |
| 198 |
I.solve() |
| 199 |
print "At end of simulation," |
| 200 |
print "x = %f" % M.x |
| 201 |
print "v = %f" % M.v |
| 202 |
M.run(T.getMethod('self_test')) |
| 203 |
|
| 204 |
def testlotka(self): |
| 205 |
self.L.load('johnpye/lotka.a4c') |
| 206 |
M = self.L.findType('lotka').getSimulation('sim') |
| 207 |
M.setSolver(ascpy.Solver("QRSlv")) |
| 208 |
I = ascpy.Integrator(M) |
| 209 |
I.setEngine('LSODE') |
| 210 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
| 211 |
I.setLinearTimesteps(ascpy.Units("s"), 0, 200, 5) |
| 212 |
I.analyse() |
| 213 |
print "Number of vars = %d" % I.getNumVars() |
| 214 |
assert I.getNumVars()==2 |
| 215 |
I.solve() |
| 216 |
assert I.getNumObservedVars() == 3; |
| 217 |
assert abs(M.R - 832) < 1.0 |
| 218 |
assert abs(M.F - 21.36) < 0.1 |
| 219 |
|
| 220 |
#------------------------------------------------------------------------------- |
| 221 |
# Testing of a external blackbox functions |
| 222 |
|
| 223 |
class TestBlackBox(AscendSelfTester): |
| 224 |
def testparsefail0(self): |
| 225 |
try: |
| 226 |
self.L.load('test/blackbox/parsefail0.a4c') |
| 227 |
self.fail("parsefail0 should not have loaded without errors") |
| 228 |
except: |
| 229 |
pass |
| 230 |
|
| 231 |
def testparsefail1(self): |
| 232 |
try: |
| 233 |
self.L.load('test/blackbox/parsefail1.a4c') |
| 234 |
self.fail("parsefail1 should not have loaded without errors") |
| 235 |
except: |
| 236 |
pass |
| 237 |
|
| 238 |
def testparsefail2(self): |
| 239 |
try: |
| 240 |
self.L.load('test/blackbox/parsefail2.a4c') |
| 241 |
self.fail("parsefail2 should not have loaded without errors") |
| 242 |
except: |
| 243 |
pass |
| 244 |
|
| 245 |
def testparsefail3(self): |
| 246 |
try: |
| 247 |
self.L.load('test/blackbox/parsefail3.a4c') |
| 248 |
self.fail("parsefail3 should not have loaded without errors") |
| 249 |
except: |
| 250 |
pass |
| 251 |
|
| 252 |
def testparsefail4(self): |
| 253 |
try: |
| 254 |
self.L.load('test/blackbox/parsefail4.a4c') |
| 255 |
self.fail("parsefail4 should not have loaded") |
| 256 |
except: |
| 257 |
pass |
| 258 |
|
| 259 |
def testfail1(self): |
| 260 |
"""Mismatched arg counts check-- tests bbox, not ascend.""" |
| 261 |
self.L.load('test/blackbox/fail1.a4c') |
| 262 |
try: |
| 263 |
M = self.L.findType('fail1').getSimulation('sim') |
| 264 |
self.fail("expected exception was not raised") |
| 265 |
except RuntimeError,e: |
| 266 |
print "Caught exception '%s', assumed ok" % e |
| 267 |
|
| 268 |
def testfail2(self): |
| 269 |
"""Incorrect data arg check -- tests bbox, not ascend""" |
| 270 |
self.L.load('test/blackbox/fail2.a4c') |
| 271 |
try: |
| 272 |
M = self.L.findType('fail2').getSimulation('sim') |
| 273 |
self.fail("expected exception was not raised") |
| 274 |
except RuntimeError,e: |
| 275 |
print "Caught exception '%s', assumed ok (should mention errors during instantiation)" % e |
| 276 |
|
| 277 |
def testpass1(self): |
| 278 |
"""simple single bbox forward solve""" |
| 279 |
M = self._run('pass1',filename='test/blackbox/pass.a4c') |
| 280 |
|
| 281 |
def testpass2(self): |
| 282 |
"""simple single bbox reverse solve""" |
| 283 |
M = self._run('pass2',filename='test/blackbox/pass.a4c') |
| 284 |
|
| 285 |
def testpass3(self): |
| 286 |
"""simple double bbox solve""" |
| 287 |
M = self._run('pass3',filename='test/blackbox/pass3.a4c') |
| 288 |
|
| 289 |
def testpass4(self): |
| 290 |
"""simple double bbox reverse solve""" |
| 291 |
M = self._run('pass4',filename='test/blackbox/pass3.a4c') |
| 292 |
|
| 293 |
def testpass5(self): |
| 294 |
M = self._run('pass5',filename='test/blackbox/pass5.a4c') |
| 295 |
|
| 296 |
def testpass6(self): |
| 297 |
M = self._run('pass6',filename='test/blackbox/pass5.a4c') |
| 298 |
|
| 299 |
def testpass7(self): |
| 300 |
M = self._run('pass7',filename='test/blackbox/passmerge.a4c') |
| 301 |
|
| 302 |
def testpass8(self): |
| 303 |
M = self._run('pass8',filename='test/blackbox/passmerge.a4c') |
| 304 |
|
| 305 |
def testpass9(self): |
| 306 |
M = self._run('pass9',filename='test/blackbox/passmerge.a4c') |
| 307 |
|
| 308 |
def testpass10(self): |
| 309 |
M = self._run('pass10',filename='test/blackbox/passmerge.a4c') |
| 310 |
|
| 311 |
def testpass11(self): |
| 312 |
M = self._run('pass11',filename='test/blackbox/passmerge.a4c') |
| 313 |
|
| 314 |
def testpass12(self): |
| 315 |
M = self._run('pass12',filename='test/blackbox/passmerge.a4c') |
| 316 |
|
| 317 |
# this test doesn't work: 'system is inconsistent' -- and structurally singular |
| 318 |
# def testpass13(self): |
| 319 |
# """cross-merged input/output solve""" |
| 320 |
# M = self._run('pass13',filename='test/blackbox/passmerge.a4c') |
| 321 |
|
| 322 |
def testpass14(self): |
| 323 |
"""cross-merged input/output reverse solve""" |
| 324 |
M = self._run('pass14',filename='test/blackbox/passmerge.a4c') |
| 325 |
|
| 326 |
def testpass20(self): |
| 327 |
M = self._run('pass20',filename='test/blackbox/passarray.a4c') |
| 328 |
|
| 329 |
def testparsefail21(self): |
| 330 |
"""dense array of black boxes wrong syntax""" |
| 331 |
try: |
| 332 |
self.L.load('test/blackbox/parsefail21.a4c') |
| 333 |
self.fail("parsefail21 should not have loaded without errors") |
| 334 |
except: |
| 335 |
pass |
| 336 |
|
| 337 |
def testpass22(self): |
| 338 |
M = self._run('pass22',filename='test/blackbox/passarray.a4c') |
| 339 |
|
| 340 |
def testpass23(self): |
| 341 |
M = self._run('pass23',filename='test/blackbox/passarray.a4c') |
| 342 |
|
| 343 |
def testpass61(self): |
| 344 |
M = self._run('pass61',filename='test/blackbox/reinstantiate.a4c') |
| 345 |
|
| 346 |
def testpass62(self): |
| 347 |
M = self._run('pass62',filename='test/blackbox/reinstantiate.a4c') |
| 348 |
|
| 349 |
def testpass64(self): |
| 350 |
M = self._run('pass64',filename='test/blackbox/reinstantiate.a4c') |
| 351 |
|
| 352 |
def testpass65(self): |
| 353 |
M = self._run('pass65',filename='test/blackbox/reinstantiate.a4c') |
| 354 |
|
| 355 |
def testpass66(self): |
| 356 |
M = self._run('pass66',filename='test/blackbox/reinstantiate.a4c') |
| 357 |
|
| 358 |
def testpass67(self): |
| 359 |
M = self._run('pass67',filename='test/blackbox/reinstantiate.a4c') |
| 360 |
|
| 361 |
class TestExtFn(AscendSelfTester): |
| 362 |
def testextfntest(self): |
| 363 |
M = self._run('extfntest',filename='johnpye/extfn/extfntest.a4c') |
| 364 |
self.assertAlmostEqual(M.y, 2); |
| 365 |
self.assertAlmostEqual(M.x, 1); |
| 366 |
self.assertAlmostEqual(M.y, M.x + 1); |
| 367 |
|
| 368 |
def testextrelfor(self): |
| 369 |
M = self._run('extrelfor',filename='johnpye/extfn/extrelfor.a4c') |
| 370 |
|
| 371 |
def testextrelforbadnaming(self): |
| 372 |
self.L.load('johnpye/extfn/extrelforbadnaming.a4c') |
| 373 |
T = self.L.findType('extrelfor') |
| 374 |
M = T.getSimulation('sim') |
| 375 |
M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter()) |
| 376 |
print "x[1] = %f" % M.x[1] |
| 377 |
print "x[2] = %f" % M.x[2] |
| 378 |
print "x[3] = %f" % M.x[3] |
| 379 |
print "x[4] = %f" % M.x[4] |
| 380 |
print "x[5] = %f" % M.x[5] |
| 381 |
M.run(T.getMethod('self_test')) |
| 382 |
|
| 383 |
def testextrelrepeat(self): |
| 384 |
M = self._run('extrelrepeat',filename='johnpye/extfn/extrelrepeat.a4c') |
| 385 |
|
| 386 |
#------------------------------------------------------------------------------- |
| 387 |
# Testing of a ExtPy - external python methods |
| 388 |
|
| 389 |
class TestExtPy(AscendSelfTester): |
| 390 |
def testextpytest(self): |
| 391 |
print "-------------------=--=-=-=-" |
| 392 |
M = self._run('extpytest',filename='johnpye/extpy/extpytest.a4c') |
| 393 |
|
| 394 |
#------------------------------------------------------------------------------- |
| 395 |
# Testing of saturated steam properties library (iapwssatprops.a4c) |
| 396 |
|
| 397 |
class TestSteam(AscendSelfTester): |
| 398 |
def testiapwssatprops1(self): |
| 399 |
M = self._run('testiapwssatprops1',filename='steam/iapwssatprops.a4c') |
| 400 |
def testiapwssatprops2(self): |
| 401 |
M = self._run('testiapwssatprops2',filename='steam/iapwssatprops.a4c') |
| 402 |
def testiapwssatprops3(self): |
| 403 |
M = self._run('testiapwssatprops3',filename='steam/iapwssatprops.a4c') |
| 404 |
def testsatsteamstream(self): |
| 405 |
M = self._run('satsteamstream',filename='steam/satsteamstream.a4c') |
| 406 |
|
| 407 |
def testsatsteamstream(self): |
| 408 |
M = self._run('satsteamstream',filename='steam/satsteamstream.a4c') |
| 409 |
|
| 410 |
def testiapwssat1(self): |
| 411 |
M = self._run('testiapwssat1',filename='steam/iapwssat.a4c') |
| 412 |
|
| 413 |
def testdsgsat(self): |
| 414 |
self.L.load('steam/dsgsat2.a4c') |
| 415 |
T = self.L.findType('dsgsat2') |
| 416 |
M = T.getSimulation('sim') |
| 417 |
M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter()) |
| 418 |
M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter()) |
| 419 |
#M.checkStructuralSingularity() causes crash! |
| 420 |
|
| 421 |
#------------------------------------------------------------------------------- |
| 422 |
# Testing of freesteam external steam properties functions |
| 423 |
|
| 424 |
with_freesteam = True |
| 425 |
try: |
| 426 |
# we assume that if the freesteam python module is installed, the ASCEND |
| 427 |
# external library will also be. |
| 428 |
import freesteam |
| 429 |
have_freesteam = True |
| 430 |
except ImportError,e: |
| 431 |
have_freesteam = False |
| 432 |
|
| 433 |
if with_freesteam and have_freesteam: |
| 434 |
class TestFreesteam(AscendSelfTester): |
| 435 |
def testfreesteamtest(self): |
| 436 |
"""run the self-test cases bundled with freesteam""" |
| 437 |
self._run('testfreesteam',filename='testfreesteam.a4c') |
| 438 |
|
| 439 |
def testload(self): |
| 440 |
"""check that we can load 'thermalequilibrium2' (IMPORT "freesteam", etc)""" |
| 441 |
self.L.load('johnpye/thermalequilibrium2.a4c') |
| 442 |
|
| 443 |
def testinstantiate(self): |
| 444 |
"""load an instantiate 'thermalequilibrium2'""" |
| 445 |
self.testload() |
| 446 |
M = self.L.findType('thermalequilibrium2').getSimulation('sim') |
| 447 |
return M |
| 448 |
|
| 449 |
def testintegrate(self): |
| 450 |
"""integrate transfer of heat from one mass of water/steam to another |
| 451 |
according to Newton's law of cooling""" |
| 452 |
M = self.testinstantiate() |
| 453 |
M.setSolver(ascpy.Solver("QRSlv")) |
| 454 |
I = ascpy.Integrator(M) |
| 455 |
I.setEngine('LSODE') |
| 456 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
| 457 |
I.setLinearTimesteps(ascpy.Units("s"), 0, 3000, 30) |
| 458 |
I.setMinSubStep(0.001) |
| 459 |
I.setInitialSubStep(0.01) |
| 460 |
I.analyse() |
| 461 |
print "Number of vars = %d" % I.getNumVars() |
| 462 |
assert I.getNumVars()==2 |
| 463 |
I.solve() |
| 464 |
assert I.getNumObservedVars() == 3; |
| 465 |
print "S[1].T = %f K" % M.S[1].T |
| 466 |
print "S[2].T = %f K" % M.S[2].T |
| 467 |
print "Q = %f W" % M.Q |
| 468 |
self.assertAlmostEqual(float(M.S[1].T),506.77225109); |
| 469 |
self.assertAlmostEqual(float(M.S[2].T),511.605173967); |
| 470 |
self.assertAlmostEqual(float(M.Q),-48.32922877329); |
| 471 |
self.assertAlmostEqual(float(M.t),3000); |
| 472 |
print "Note that the above values have not been verified analytically" |
| 473 |
|
| 474 |
#------------------------------------------------------------------------------- |
| 475 |
# Testing of IDA models using DENSE linear solver |
| 476 |
|
| 477 |
class TestIDADENSE(Ascend): |
| 478 |
"""IDA DAE integrator, DENSE linear solver""" |
| 479 |
|
| 480 |
def testnewton(self): |
| 481 |
sys.stderr.write("STARTING TESTNEWTON\n") |
| 482 |
self.L.load('johnpye/newton.a4c') |
| 483 |
T = self.L.findType('newton') |
| 484 |
M = T.getSimulation('sim') |
| 485 |
M.solve(ascpy.Solver("QRSlv"),ascpy.SolverReporter()) |
| 486 |
I = ascpy.Integrator(M) |
| 487 |
I.setEngine('IDA') |
| 488 |
I.setParameter('linsolver','DENSE') |
| 489 |
I.setParameter('safeeval',True) |
| 490 |
I.setParameter('rtol',1e-8) |
| 491 |
I.setMaxSubStep(0.001) |
| 492 |
I.setMaxSubSteps(10000) |
| 493 |
|
| 494 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
| 495 |
I.setLinearTimesteps(ascpy.Units("s"), 0, 2*float(M.v)/float(M.g), 2) |
| 496 |
I.analyse() |
| 497 |
I.solve() |
| 498 |
print "At end of simulation," |
| 499 |
print "x = %f" % M.x |
| 500 |
print "v = %f" % M.v |
| 501 |
M.run(T.getMethod('self_test')) |
| 502 |
|
| 503 |
def testlotka(self): |
| 504 |
self.L.load('johnpye/lotka.a4c') |
| 505 |
M = self.L.findType('lotka').getSimulation('sim') |
| 506 |
M.setSolver(ascpy.Solver("QRSlv")) |
| 507 |
I = ascpy.Integrator(M) |
| 508 |
I.setEngine('IDA') |
| 509 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
| 510 |
I.setLinearTimesteps(ascpy.Units("s"), 0, 200, 5); |
| 511 |
I.setParameter('linsolver','DENSE') |
| 512 |
I.setParameter('rtol',1e-8); |
| 513 |
I.analyse() |
| 514 |
assert I.getNumVars()==2 |
| 515 |
assert abs(M.R - 1000) < 1e-300 |
| 516 |
I.solve() |
| 517 |
assert I.getNumObservedVars() == 3 |
| 518 |
assert abs(M.R - 832) < 1.0 |
| 519 |
assert abs(M.F - 21.36) < 0.1 |
| 520 |
|
| 521 |
def testdenx(self): |
| 522 |
print "-----------------------------=====" |
| 523 |
self.L.load('johnpye/idadenx.a4c') |
| 524 |
M = self.L.findType('idadenx').getSimulation('sim') |
| 525 |
M.setSolver(ascpy.Solver("QRSlv")) |
| 526 |
I = ascpy.Integrator(M) |
| 527 |
I.setEngine('IDA') |
| 528 |
I.setParameter('calcic','YA_YPD') |
| 529 |
I.setParameter('linsolver','DENSE') |
| 530 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
| 531 |
I.setLogTimesteps(ascpy.Units("s"), 0.4, 4e10, 11) |
| 532 |
I.setMaxSubStep(0); |
| 533 |
I.setInitialSubStep(0) |
| 534 |
I.setMaxSubSteps(0); |
| 535 |
I.setParameter('autodiff',True) |
| 536 |
I.analyse() |
| 537 |
I.solve() |
| 538 |
assert abs(float(M.y1) - 5.1091e-08) < 2e-9 |
| 539 |
assert abs(float(M.y2) - 2.0437e-13) < 2e-14 |
| 540 |
assert abs(float(M.y3) - 1.0) < 1e-5 |
| 541 |
|
| 542 |
def testkryx(self): |
| 543 |
self.L.load('johnpye/idakryx.a4c') |
| 544 |
M = self.L.findType('idakryx').getSimulation('sim') |
| 545 |
M.setSolver(ascpy.Solver('QRSlv')) |
| 546 |
M.build() |
| 547 |
I = ascpy.Integrator(M) |
| 548 |
I.setEngine('IDA') |
| 549 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
| 550 |
I.setParameter('linsolver','DENSE') |
| 551 |
I.setParameter('maxl',8) |
| 552 |
I.setParameter('gsmodified',False) |
| 553 |
I.setParameter('autodiff',True) |
| 554 |
I.setParameter('rtol',0) |
| 555 |
I.setParameter('atol',1e-3); |
| 556 |
I.setParameter('atolvect',False) |
| 557 |
I.setParameter('calcic','YA_YDP') |
| 558 |
I.analyse() |
| 559 |
I.setLogTimesteps(ascpy.Units("s"), 0.01, 10.24, 11) |
| 560 |
I.solve() |
| 561 |
assert abs(M.u[2][2].getValue()) < 1e-5 |
| 562 |
|
| 563 |
#------------------------------------------------------------------------------- |
| 564 |
# Testing of IDA models using SPGMR linear solver (Krylov) |
| 565 |
|
| 566 |
# these tests are disabled until SPGMR preconditioning has been implemented |
| 567 |
class TestIDASPGMR:#(Ascend): |
| 568 |
def testlotka(self): |
| 569 |
self.L.load('johnpye/lotka.a4c') |
| 570 |
M = self.L.findType('lotka').getSimulation('sim') |
| 571 |
M.setSolver(ascpy.Solver("QRSlv")) |
| 572 |
I = ascpy.Integrator(M) |
| 573 |
I.setEngine('IDA') |
| 574 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
| 575 |
I.setLinearTimesteps(ascpy.Units("s"), 0, 200, 5) |
| 576 |
I.setParameter('rtol',1e-8) |
| 577 |
I.analyse() |
| 578 |
assert I.getNumVars()==2 |
| 579 |
assert abs(M.R - 1000) < 1e-300 |
| 580 |
I.solve() |
| 581 |
assert I.getNumObservedVars() == 3 |
| 582 |
assert abs(M.R - 832) < 1.0 |
| 583 |
assert abs(M.F - 21.36) < 0.1 |
| 584 |
|
| 585 |
|
| 586 |
def testkryx(self): |
| 587 |
self.L.load('johnpye/idakryx.a4c') |
| 588 |
M = self.L.findType('idakryx').getSimulation('sim') |
| 589 |
M.build() |
| 590 |
I = ascpy.Integrator(M) |
| 591 |
I.setEngine('IDA') |
| 592 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
| 593 |
I.setParameter('linsolver','SPGMR') |
| 594 |
I.setParameter('prec','JACOBI') |
| 595 |
I.setParameter('maxl',8) |
| 596 |
I.setParameter('gsmodified',False) |
| 597 |
I.setParameter('autodiff',True) |
| 598 |
I.setParameter('gsmodified',True) |
| 599 |
I.setParameter('rtol',0) |
| 600 |
I.setParameter('atol',1e-3); |
| 601 |
I.setParameter('atolvect',False) |
| 602 |
I.setParameter('calcic','Y') |
| 603 |
I.analyse() |
| 604 |
I.setLogTimesteps(ascpy.Units("s"), 0.01, 10.24, 10); |
| 605 |
print M.udot[1][3] |
| 606 |
I.solve() |
| 607 |
assert 0 |
| 608 |
|
| 609 |
def testzill(self): |
| 610 |
self.L.load('johnpye/zill.a4c') |
| 611 |
T = self.L.findType('zill') |
| 612 |
M = T.getSimulation('sim') |
| 613 |
M.setSolver(ascpy.Solver('QRSlv')) |
| 614 |
I = ascpy.Integrator(M) |
| 615 |
I.setEngine('IDA') |
| 616 |
I.setParameter('safeeval',False) |
| 617 |
I.setMinSubStep(1e-7) |
| 618 |
I.setMaxSubStep(0.001) |
| 619 |
I.setMaxSubSteps(10000) |
| 620 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
| 621 |
I.setLinearTimesteps(ascpy.Units(), 1.0, 1.5, 5) |
| 622 |
I.analyse() |
| 623 |
I.solve() |
| 624 |
M.run(T.getMethod('self_test')) |
| 625 |
|
| 626 |
def testdenxSPGMR(self): |
| 627 |
self.L.load('johnpye/idadenx.a4c') |
| 628 |
M = self.L.findType('idadenx').getSimulation('sim') |
| 629 |
M.setSolver(ascpy.Solver('QRSlv')) |
| 630 |
I = ascpy.Integrator(M) |
| 631 |
I.setEngine('IDA') |
| 632 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
| 633 |
I.setLogTimesteps(ascpy.Units("s"), 0.4, 4e10, 11) |
| 634 |
I.setMaxSubStep(0); |
| 635 |
I.setInitialSubStep(0); |
| 636 |
I.setMaxSubSteps(0); |
| 637 |
I.setParameter('autodiff',True) |
| 638 |
I.setParameter('linsolver','SPGMR') |
| 639 |
I.setParameter('gsmodified',False) |
| 640 |
I.setParameter('maxncf',10) |
| 641 |
I.analyse() |
| 642 |
I.solve() |
| 643 |
assert abs(float(M.y1) - 5.1091e-08) < 1e-10 |
| 644 |
assert abs(float(M.y2) - 2.0437e-13) < 1e-15 |
| 645 |
assert abs(float(M.y3) - 1.0) < 1e-5 |
| 646 |
|
| 647 |
# move code above down here if you want to temporarily avoid testing it |
| 648 |
class NotToBeTested: |
| 649 |
def nothing(self): |
| 650 |
pass |
| 651 |
|
| 652 |
if __name__=='__main__': |
| 653 |
atexit.register(ascpy.shutdown) |
| 654 |
#suite = unittest.TestSuite() |
| 655 |
#suite = unittest.defaultTestLoader.loadTestsFromName('__main__') |
| 656 |
#unittest.TextTestRunner(verbosity=2).run(suite) |
| 657 |
unittest.main() |
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