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#!/usr/bin/env python |
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# ASCEND modelling environment |
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# Copyright (C) 2006 Carnegie Mellon University |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2, or (at your option) |
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# any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place - Suite 330, |
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# Boston, MA 02111-1307, USA. |
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|
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# This script gives a test suite for the high-level interface of ASCEND via |
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# Python. It is also planned to be a wrapper for the CUnit test suite, although |
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# this is still experimental. |
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|
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import unittest |
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import os, sys |
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import math |
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import atexit |
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|
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import platform |
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if platform.system() != "Windows": |
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import dl |
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sys.setdlopenflags(dl.RTLD_GLOBAL|dl.RTLD_NOW) |
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|
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class Ascend(unittest.TestCase): |
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|
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def setUp(self): |
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import ascpy |
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self.L = ascpy.Library(modelsdir) |
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|
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def tearDown(self): |
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self.L.clear() |
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del self.L |
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|
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class AscendSelfTester(Ascend): |
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|
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def _run(self,modelname,solvername="QRSlv",filename=None): |
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if filename==None: |
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filename = 'johnpye/%s.a4c' % modelname |
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self.L.load(filename) |
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T = self.L.findType(modelname) |
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M = T.getSimulation('sim') |
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M.build() |
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M.solve(ascpy.Solver(solvername),ascpy.SolverReporter()) |
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M.run(T.getMethod('self_test')) |
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return M |
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|
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class TestCompiler(Ascend): |
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|
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def testloading(self): |
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pass |
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|
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def testsystema4l(self): |
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self.L.load('system.a4l') |
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|
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def testatomsa4l(self): |
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self.L.load('atoms.a4l') |
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|
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class TestSolver(AscendSelfTester): |
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|
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def testlog10(self): |
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self._run('testlog10') |
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|
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def testconopt(self): |
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self._run('testconopt',"CONOPT") |
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|
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def testcmslv2(self): |
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self._run('testcmslv2',"CMSlv") |
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|
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def testsunpos1(self): |
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self._run('example_1_6_1',"QRSlv","johnpye/sunpos.a4c") |
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|
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def testsunpos2(self): |
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self._run('example_1_6_2',"QRSlv","johnpye/sunpos.a4c") |
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|
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def testsunpos3(self): |
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self._run('example_1_7_1',"QRSlv","johnpye/sunpos.a4c") |
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|
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def testsunpos4(self): |
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self._run('example_1_7_2',"QRSlv","johnpye/sunpos.a4c") |
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|
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def testsunpos5(self): |
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self._run('example_1_7_3',"QRSlv","johnpye/sunpos.a4c") |
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|
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def testsunpos6(self): |
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self._run('example_1_8_1',"QRSlv","johnpye/sunpos.a4c") |
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|
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def testinstanceas(self): |
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M = self._run('example_1_6_1',"QRSlv","johnpye/sunpos.a4c") |
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self.assertAlmostEqual( float(M.t_solar), M.t_solar.as("s")) |
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self.assertAlmostEqual( float(M.t_solar)/3600, M.t_solar.as("h")) |
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|
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class TestIntegrator(Ascend): |
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|
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def testListIntegrators(self): |
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I = ascpy.Integrator.getEngines() |
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s1 = sorted([str(i) for i in I.values()]) |
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s2 = sorted(['IDA','LSODE','AWW']) |
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assert s1==s2 |
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|
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# this routine is reused by both testIDA and testLSODE |
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def _testIntegrator(self,integratorname): |
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self.L.load('johnpye/shm.a4c') |
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M = self.L.findType('shm').getSimulation('sim') |
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M.setSolver(ascpy.Solver('QRSlv')) |
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print M.getChildren() |
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assert float(M.x) == 10.0 |
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assert float(M.v) == 0.0 |
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t_end = math.pi |
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|
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I = ascpy.Integrator(M) |
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I.setReporter(ascpy.IntegratorReporterNull(I)) |
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I.setEngine(integratorname); |
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I.setLinearTimesteps(ascpy.Units("s"), 0.0, t_end, 100); |
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I.setMinSubStep(0.0005); # these limits are required by IDA at present (numeric diff) |
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I.setMaxSubStep(0.02); |
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I.setInitialSubStep(0.001); |
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I.setMaxSubSteps(200); |
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if(integratorname=='IDA'): |
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I.setParameter('autodiff',False) |
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I.analyse(); |
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I.solve(); |
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print "At end of simulation," |
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print "x = %f" % M.x |
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print "v = %f" % M.v |
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assert abs(float(M.x) + 10) < 1e-2 |
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assert abs(float(M.v)) < 1e-2 |
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assert I.getNumObservedVars() == 3 |
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|
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def testInvalidIntegrator(self): |
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self.L.load('johnpye/shm.a4c') |
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M = self.L.findType('shm').getSimulation('sim') |
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M.setSolver(ascpy.Solver('QRSlv')) |
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I = ascpy.Integrator(M) |
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try: |
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I.setEngine('___NONEXISTENT____') |
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except RuntimeError: |
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return |
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self.fail("setEngine did not raise error!") |
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|
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def testLSODE(self): |
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self._testIntegrator('LSODE') |
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|
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def testIDA(self): |
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self._testIntegrator('IDA') |
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|
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def testparameters(self): |
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self.L.load('johnpye/shm.a4c') |
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M = self.L.findType('shm').getSimulation('sim') |
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M.build() |
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I = ascpy.Integrator(M) |
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I.setEngine('IDA') |
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P = I.getParameters() |
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for p in P: |
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print p.getName(),"=",p.getValue() |
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assert len(P)==11 |
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assert P[0].isStr() |
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assert P[0].getName()=="linsolver" |
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assert P[0].getValue()=='SPGMR' |
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assert P[2].getName()=="autodiff" |
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assert P[2].getValue()==True |
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assert P[7].getName()=="atolvect" |
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assert P[7].getBoolValue() == True |
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P[2].setBoolValue(False) |
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assert P[2].getBoolValue()==False |
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I.setParameters(P) |
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assert I.getParameterValue('autodiff')==False |
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I.setParameter('autodiff',True) |
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try: |
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v = I.getParameterValue('nonexist') |
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except KeyError: |
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pass |
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else: |
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self.fail('Failed to trip invalid Integrator parameter') |
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|
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class TestLSODE(Ascend): |
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|
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def testzill(self): |
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self.L.load('johnpye/zill.a4c') |
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T = self.L.findType('zill') |
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M = T.getSimulation('sim') |
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M.setSolver(ascpy.Solver('QRSlv')) |
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I = ascpy.Integrator(M) |
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I.setEngine('LSODE') |
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I.setMinSubStep(1e-7) |
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I.setMaxSubStep(0.001) |
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I.setMaxSubSteps(10000) |
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I.setReporter(ascpy.IntegratorReporterConsole(I)) |
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I.setLinearTimesteps(ascpy.Units(), 1.0, 1.5, 5) |
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I.analyse() |
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I.solve() |
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M.run(T.getMethod('self_test')) |
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|
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def testnewton(self): |
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sys.stderr.write("STARTING TESTNEWTON\n") |
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self.L.load('johnpye/newton.a4c') |
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T = self.L.findType('newton') |
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M = T.getSimulation('sim') |
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M.solve(ascpy.Solver("QRSlv"),ascpy.SolverReporter()) |
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I = ascpy.Integrator(M) |
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I.setEngine('LSODE') |
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I.setParameter('rtolvect',False) |
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I.setParameter('rtol',1e-7) |
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I.setParameter('atolvect',False) |
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I.setParameter('atol',1e-7) |
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I.setMinSubStep(1e-7) |
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I.setMaxSubStep(0.001) |
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I.setMaxSubSteps(10000) |
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|
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I.setReporter(ascpy.IntegratorReporterConsole(I)) |
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I.setLinearTimesteps(ascpy.Units("s"), 0, 2*float(M.v)/float(M.g), 2) |
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I.analyse() |
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I.solve() |
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print "At end of simulation," |
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print "x = %f" % M.x |
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print "v = %f" % M.v |
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M.run(T.getMethod('self_test')) |
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|
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def testlotka(self): |
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self.L.load('johnpye/lotka.a4c') |
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M = self.L.findType('lotka').getSimulation('sim') |
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M.setSolver(ascpy.Solver("QRSlv")) |
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I = ascpy.Integrator(M) |
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I.setEngine('LSODE') |
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I.setReporter(ascpy.IntegratorReporterConsole(I)) |
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I.setLinearTimesteps(ascpy.Units("s"), 0, 200, 5) |
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I.analyse() |
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print "Number of vars = %d" % I.getNumVars() |
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assert I.getNumVars()==2 |
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I.solve() |
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assert I.getNumObservedVars() == 3; |
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assert abs(M.R - 832) < 1.0 |
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assert abs(M.F - 21.36) < 0.1 |
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|
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#------------------------------------------------------------------------------- |
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# Testing of a external blackbox functions |
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|
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class TestBlackBox(AscendSelfTester): |
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def testparsefail0(self): |
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try: |
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self.L.load('test/blackbox/parsefail0.a4c') |
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self.fail("parsefail0 should not have loaded without errors") |
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except: |
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pass |
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|
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def testparsefail1(self): |
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try: |
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self.L.load('test/blackbox/parsefail1.a4c') |
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self.fail("parsefail1 should not have loaded without errors") |
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except: |
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pass |
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|
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def testparsefail2(self): |
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try: |
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self.L.load('test/blackbox/parsefail2.a4c') |
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self.fail("parsefail2 should not have loaded without errors") |
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except: |
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pass |
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|
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def testparsefail3(self): |
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try: |
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self.L.load('test/blackbox/parsefail3.a4c') |
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self.fail("parsefail3 should not have loaded without errors") |
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except: |
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pass |
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|
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def testparsefail4(self): |
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try: |
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self.L.load('test/blackbox/parsefail4.a4c') |
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self.fail("parsefail4 should not have loaded") |
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except: |
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pass |
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|
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def testfail1(self): |
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"""Mismatched arg counts check-- tests bbox, not ascend.""" |
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self.L.load('test/blackbox/fail1.a4c') |
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try: |
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M = self.L.findType('fail1').getSimulation('sim') |
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self.fail("expected exception was not raised") |
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except RuntimeError,e: |
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print "Caught exception '%s', assumed ok" % e |
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|
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def testfail2(self): |
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"""Incorrect data arg check -- tests bbox, not ascend""" |
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self.L.load('test/blackbox/fail2.a4c') |
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try: |
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M = self.L.findType('fail2').getSimulation('sim') |
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self.fail("expected exception was not raised") |
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except RuntimeError,e: |
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print "Caught exception '%s', assumed ok (should mention errors during instantiation)" % e |
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|
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def testpass1(self): |
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"""simple single bbox forward solve""" |
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M = self._run('pass1',filename='test/blackbox/pass.a4c') |
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|
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def testpass2(self): |
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"""simple single bbox reverse solve""" |
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M = self._run('pass2',filename='test/blackbox/pass.a4c') |
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|
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def testpass3(self): |
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"""simple double bbox solve""" |
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M = self._run('pass3',filename='test/blackbox/pass3.a4c') |
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|
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def testpass4(self): |
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"""simple double bbox reverse solve""" |
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M = self._run('pass4',filename='test/blackbox/pass3.a4c') |
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|
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def testpass5(self): |
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M = self._run('pass5',filename='test/blackbox/pass5.a4c') |
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|
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def testpass6(self): |
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M = self._run('pass6',filename='test/blackbox/pass5.a4c') |
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|
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def testpass7(self): |
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M = self._run('pass7',filename='test/blackbox/passmerge.a4c') |
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|
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def testpass8(self): |
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M = self._run('pass8',filename='test/blackbox/passmerge.a4c') |
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|
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def testpass9(self): |
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M = self._run('pass9',filename='test/blackbox/passmerge.a4c') |
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|
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def testpass10(self): |
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M = self._run('pass10',filename='test/blackbox/passmerge.a4c') |
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|
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def testpass11(self): |
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M = self._run('pass11',filename='test/blackbox/passmerge.a4c') |
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|
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def testpass12(self): |
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M = self._run('pass12',filename='test/blackbox/passmerge.a4c') |
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|
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# this test doesn't work: 'system is inconsistent' -- and structurally singular |
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# def testpass13(self): |
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# """cross-merged input/output solve""" |
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# M = self._run('pass13',filename='test/blackbox/passmerge.a4c') |
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|
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def testpass14(self): |
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"""cross-merged input/output reverse solve""" |
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M = self._run('pass14',filename='test/blackbox/passmerge.a4c') |
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|
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def testpass20(self): |
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M = self._run('pass20',filename='test/blackbox/passarray.a4c') |
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|
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def testparsefail21(self): |
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"""dense array of black boxes wrong syntax""" |
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try: |
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self.L.load('test/blackbox/parsefail21.a4c') |
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self.fail("parsefail21 should not have loaded without errors") |
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except: |
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pass |
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|
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def testpass22(self): |
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M = self._run('pass22',filename='test/blackbox/passarray.a4c') |
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|
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def testpass23(self): |
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M = self._run('pass23',filename='test/blackbox/passarray.a4c') |
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|
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def testpass61(self): |
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M = self._run('pass61',filename='test/blackbox/reinstantiate.a4c') |
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|
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def testpass62(self): |
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M = self._run('pass62',filename='test/blackbox/reinstantiate.a4c') |
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|
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def testpass64(self): |
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M = self._run('pass64',filename='test/blackbox/reinstantiate.a4c') |
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|
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def testpass65(self): |
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M = self._run('pass65',filename='test/blackbox/reinstantiate.a4c') |
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|
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def testpass66(self): |
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M = self._run('pass66',filename='test/blackbox/reinstantiate.a4c') |
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|
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def testpass67(self): |
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M = self._run('pass67',filename='test/blackbox/reinstantiate.a4c') |
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|
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class TestExtFn(AscendSelfTester): |
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def testextfntest(self): |
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M = self._run('extfntest',filename='johnpye/extfn/extfntest.a4c') |
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self.assertAlmostEqual(M.y, 2); |
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self.assertAlmostEqual(M.x, 1); |
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self.assertAlmostEqual(M.y, M.x + 1); |
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|
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def testextrelfor(self): |
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M = self._run('extrelfor',filename='johnpye/extfn/extrelfor.a4c') |
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|
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## @TODO fix bug with badly-named bbox rel in a loop (Ben, maybe) |
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# def testextrelforbadnaming(self): |
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# self.L.load('johnpye/extfn/extrelforbadnaming.a4c') |
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# T = self.L.findType('extrelfor') |
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# M = T.getSimulation('sim') |
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# M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter()) |
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# print "x[1] = %f" % M.x[1] |
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# print "x[2] = %f" % M.x[2] |
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# print "x[3] = %f" % M.x[3] |
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# print "x[4] = %f" % M.x[4] |
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# print "x[5] = %f" % M.x[5] |
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# M.run(T.getMethod('self_test')) |
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|
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def testextrelrepeat(self): |
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M = self._run('extrelrepeat',filename='johnpye/extfn/extrelrepeat.a4c') |
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|
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#------------------------------------------------------------------------------- |
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# Testing of a ExtPy - external python methods |
413 |
|
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class TestExtPy(AscendSelfTester): |
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def test1(self): |
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self.L.load('johnpye/extpy/extpytest.a4c') |
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T = self.L.findType('extpytest') |
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M = T.getSimulation('sim') |
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M.run(T.getMethod('self_test')) |
420 |
|
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def test2(self): |
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self.L.load('johnpye/extpy/extpytest.a4c') |
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T = self.L.findType('extpytest') |
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M = T.getSimulation('sim') |
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M.run(T.getMethod('pythonthing')) |
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M.run(T.getMethod('pythonthing')) |
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M.run(T.getMethod('pythonthing')) |
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M.run(T.getMethod('pythonthing')) |
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# causes crash! |
430 |
|
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#------------------------------------------------------------------------------- |
432 |
# Testing of saturated steam properties library (iapwssatprops.a4c) |
433 |
|
434 |
class TestSteam(AscendSelfTester): |
435 |
def testiapwssatprops1(self): |
436 |
M = self._run('testiapwssatprops1',filename='steam/iapwssatprops.a4c') |
437 |
def testiapwssatprops2(self): |
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M = self._run('testiapwssatprops2',filename='steam/iapwssatprops.a4c') |
439 |
def testiapwssatprops3(self): |
440 |
M = self._run('testiapwssatprops3',filename='steam/iapwssatprops.a4c') |
441 |
def testsatsteamstream(self): |
442 |
M = self._run('satsteamstream',filename='steam/satsteamstream.a4c') |
443 |
|
444 |
def testsatsteamstream(self): |
445 |
M = self._run('satsteamstream',filename='steam/satsteamstream.a4c') |
446 |
|
447 |
## @TODO fix error capture from bounds checking during initialisation |
448 |
# def testiapwssat1(self): |
449 |
# M = self._run('testiapwssat1',filename='steam/iapwssat.a4c') |
450 |
|
451 |
# @TODO fix bug with unpivoted node[i].hg_expr eqns. |
452 |
def testdsgsat(self): |
453 |
self.L.load('steam/dsgsat2.a4c') |
454 |
T = self.L.findType('dsgsat2') |
455 |
M = T.getSimulation('sim',False) |
456 |
try: |
457 |
M.run(T.getMethod('on_load')) |
458 |
except: |
459 |
pass |
460 |
M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter()) |
461 |
M.run(T.getMethod('fixed_states')) |
462 |
I = ascpy.Integrator(M) |
463 |
I.setEngine('LSODE') |
464 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
465 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
466 |
I.setLinearTimesteps(ascpy.Units("s"), 0, 5, 100) |
467 |
I.setMinSubStep(0.01) |
468 |
I.setMaxSubStep(0.02) |
469 |
I.setInitialSubStep(0.1) |
470 |
I.analyse() |
471 |
I.solve() |
472 |
I.solve() |
473 |
#M.checkStructuralSingularity() causes crash! |
474 |
|
475 |
#------------------------------------------------------------------------------- |
476 |
# Testing of freesteam external steam properties functions |
477 |
|
478 |
with_freesteam = True |
479 |
try: |
480 |
# we assume that if the freesteam python module is installed, the ASCEND |
481 |
# external library will also be. |
482 |
import freesteam |
483 |
have_freesteam = True |
484 |
except ImportError,e: |
485 |
have_freesteam = False |
486 |
|
487 |
if with_freesteam and have_freesteam: |
488 |
class TestFreesteam(AscendSelfTester): |
489 |
def testfreesteamtest(self): |
490 |
"""run the self-test cases bundled with freesteam""" |
491 |
self._run('testfreesteam',filename='testfreesteam.a4c') |
492 |
|
493 |
def testload(self): |
494 |
"""check that we can load 'thermalequilibrium2' (IMPORT "freesteam", etc)""" |
495 |
self.L.load('johnpye/thermalequilibrium2.a4c') |
496 |
|
497 |
def testinstantiate(self): |
498 |
"""load an instantiate 'thermalequilibrium2'""" |
499 |
self.testload() |
500 |
M = self.L.findType('thermalequilibrium2').getSimulation('sim') |
501 |
return M |
502 |
|
503 |
def testintegrate(self): |
504 |
"""integrate transfer of heat from one mass of water/steam to another |
505 |
according to Newton's law of cooling""" |
506 |
M = self.testinstantiate() |
507 |
M.setSolver(ascpy.Solver("QRSlv")) |
508 |
I = ascpy.Integrator(M) |
509 |
I.setEngine('LSODE') |
510 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
511 |
I.setLinearTimesteps(ascpy.Units("s"), 0, 3000, 30) |
512 |
I.setMinSubStep(0.01) |
513 |
I.setInitialSubStep(1) |
514 |
I.analyse() |
515 |
print "Number of vars = %d" % I.getNumVars() |
516 |
assert I.getNumVars()==2 |
517 |
I.solve() |
518 |
assert I.getNumObservedVars() == 3; |
519 |
print "S[1].T = %f K" % M.S[1].T |
520 |
print "S[2].T = %f K" % M.S[2].T |
521 |
print "Q = %f W" % M.Q |
522 |
self.assertAlmostEqual(float(M.S[1].T),506.77225109,5); |
523 |
self.assertAlmostEqual(float(M.S[2].T),511.605173967,5); |
524 |
self.assertAlmostEqual(float(M.Q),-48.32922877329,3); |
525 |
self.assertAlmostEqual(float(M.t),3000); |
526 |
print "Note that the above values have not been verified analytically" |
527 |
|
528 |
#------------------------------------------------------------------------------- |
529 |
# Testing of IDA models using DENSE linear solver |
530 |
|
531 |
class TestIDADENSE(Ascend): |
532 |
"""IDA DAE integrator, DENSE linear solver""" |
533 |
|
534 |
def testnewton(self): |
535 |
sys.stderr.write("STARTING TESTNEWTON\n") |
536 |
self.L.load('johnpye/newton.a4c') |
537 |
T = self.L.findType('newton') |
538 |
M = T.getSimulation('sim') |
539 |
M.solve(ascpy.Solver("QRSlv"),ascpy.SolverReporter()) |
540 |
I = ascpy.Integrator(M) |
541 |
I.setEngine('IDA') |
542 |
I.setParameter('linsolver','DENSE') |
543 |
I.setParameter('safeeval',True) |
544 |
I.setParameter('rtol',1e-8) |
545 |
I.setMaxSubStep(0.001) |
546 |
I.setMaxSubSteps(10000) |
547 |
|
548 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
549 |
I.setLinearTimesteps(ascpy.Units("s"), 0, 2*float(M.v)/float(M.g), 2) |
550 |
I.analyse() |
551 |
I.solve() |
552 |
print "At end of simulation," |
553 |
print "x = %f" % M.x |
554 |
print "v = %f" % M.v |
555 |
M.run(T.getMethod('self_test')) |
556 |
|
557 |
def testlotka(self): |
558 |
self.L.load('johnpye/lotka.a4c') |
559 |
M = self.L.findType('lotka').getSimulation('sim') |
560 |
M.setSolver(ascpy.Solver("QRSlv")) |
561 |
I = ascpy.Integrator(M) |
562 |
I.setEngine('IDA') |
563 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
564 |
I.setLinearTimesteps(ascpy.Units("s"), 0, 200, 5); |
565 |
I.setParameter('linsolver','DENSE') |
566 |
I.setParameter('rtol',1e-8); |
567 |
I.analyse() |
568 |
assert I.getNumVars()==2 |
569 |
assert abs(M.R - 1000) < 1e-300 |
570 |
I.solve() |
571 |
assert I.getNumObservedVars() == 3 |
572 |
assert abs(M.R - 832) < 1.0 |
573 |
assert abs(M.F - 21.36) < 0.1 |
574 |
|
575 |
def testdenx(self): |
576 |
print "-----------------------------=====" |
577 |
self.L.load('johnpye/idadenx.a4c') |
578 |
M = self.L.findType('idadenx').getSimulation('sim') |
579 |
M.setSolver(ascpy.Solver("QRSlv")) |
580 |
I = ascpy.Integrator(M) |
581 |
I.setEngine('IDA') |
582 |
I.setParameter('calcic','YA_YPD') |
583 |
I.setParameter('linsolver','DENSE') |
584 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
585 |
I.setLogTimesteps(ascpy.Units("s"), 0.4, 4e10, 11) |
586 |
I.setMaxSubStep(0); |
587 |
I.setInitialSubStep(0) |
588 |
I.setMaxSubSteps(0); |
589 |
I.setParameter('autodiff',True) |
590 |
I.analyse() |
591 |
I.solve() |
592 |
assert abs(float(M.y1) - 5.1091e-08) < 2e-9 |
593 |
assert abs(float(M.y2) - 2.0437e-13) < 2e-14 |
594 |
assert abs(float(M.y3) - 1.0) < 1e-5 |
595 |
|
596 |
## @TODO fails during IDACalcIC (model too big?) |
597 |
# def testkryx(self): |
598 |
# self.L.load('johnpye/idakryx.a4c') |
599 |
# ascpy.getCompiler().setUseRelationSharing(False) |
600 |
# M = self.L.findType('idakryx').getSimulation('sim') |
601 |
# M.setSolver(ascpy.Solver('QRSlv')) |
602 |
# M.build() |
603 |
# I = ascpy.Integrator(M) |
604 |
# I.setEngine('IDA') |
605 |
# I.setReporter(ascpy.IntegratorReporterConsole(I)) |
606 |
# I.setParameter('linsolver','DENSE') |
607 |
# I.setParameter('maxl',8) |
608 |
# I.setParameter('gsmodified',False) |
609 |
# I.setParameter('autodiff',True) |
610 |
# I.setParameter('rtol',0) |
611 |
# I.setParameter('atol',1e-3); |
612 |
# I.setParameter('atolvect',False) |
613 |
# I.setParameter('calcic','YA_YDP') |
614 |
# I.analyse() |
615 |
# I.setLogTimesteps(ascpy.Units("s"), 0.01, 10.24, 11) |
616 |
# I.solve() |
617 |
# assert abs(M.u[2][2].getValue()) < 1e-5 |
618 |
|
619 |
#------------------------------------------------------------------------------- |
620 |
# Testing of IDA models using SPGMR linear solver (Krylov) |
621 |
|
622 |
# these tests are disabled until SPGMR preconditioning has been implemented |
623 |
class TestIDASPGMR:#(Ascend): |
624 |
def testlotka(self): |
625 |
self.L.load('johnpye/lotka.a4c') |
626 |
M = self.L.findType('lotka').getSimulation('sim') |
627 |
M.setSolver(ascpy.Solver("QRSlv")) |
628 |
I = ascpy.Integrator(M) |
629 |
I.setEngine('IDA') |
630 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
631 |
I.setLinearTimesteps(ascpy.Units("s"), 0, 200, 5) |
632 |
I.setParameter('rtol',1e-8) |
633 |
I.analyse() |
634 |
assert I.getNumVars()==2 |
635 |
assert abs(M.R - 1000) < 1e-300 |
636 |
I.solve() |
637 |
assert I.getNumObservedVars() == 3 |
638 |
assert abs(M.R - 832) < 1.0 |
639 |
assert abs(M.F - 21.36) < 0.1 |
640 |
|
641 |
|
642 |
def testkryx(self): |
643 |
self.L.load('johnpye/idakryx.a4c') |
644 |
M = self.L.findType('idakryx').getSimulation('sim') |
645 |
M.build() |
646 |
I = ascpy.Integrator(M) |
647 |
I.setEngine('IDA') |
648 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
649 |
I.setParameter('linsolver','SPGMR') |
650 |
I.setParameter('prec','JACOBI') |
651 |
I.setParameter('maxl',8) |
652 |
I.setParameter('gsmodified',False) |
653 |
I.setParameter('autodiff',True) |
654 |
I.setParameter('gsmodified',True) |
655 |
I.setParameter('rtol',0) |
656 |
I.setParameter('atol',1e-3); |
657 |
I.setParameter('atolvect',False) |
658 |
I.setParameter('calcic','Y') |
659 |
I.analyse() |
660 |
I.setLogTimesteps(ascpy.Units("s"), 0.01, 10.24, 10); |
661 |
print M.udot[1][3] |
662 |
I.solve() |
663 |
assert 0 |
664 |
|
665 |
def testzill(self): |
666 |
self.L.load('johnpye/zill.a4c') |
667 |
T = self.L.findType('zill') |
668 |
M = T.getSimulation('sim') |
669 |
M.setSolver(ascpy.Solver('QRSlv')) |
670 |
I = ascpy.Integrator(M) |
671 |
I.setEngine('IDA') |
672 |
I.setParameter('safeeval',False) |
673 |
I.setMinSubStep(1e-7) |
674 |
I.setMaxSubStep(0.001) |
675 |
I.setMaxSubSteps(10000) |
676 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
677 |
I.setLinearTimesteps(ascpy.Units(), 1.0, 1.5, 5) |
678 |
I.analyse() |
679 |
I.solve() |
680 |
M.run(T.getMethod('self_test')) |
681 |
|
682 |
def testdenxSPGMR(self): |
683 |
self.L.load('johnpye/idadenx.a4c') |
684 |
M = self.L.findType('idadenx').getSimulation('sim') |
685 |
M.setSolver(ascpy.Solver('QRSlv')) |
686 |
I = ascpy.Integrator(M) |
687 |
I.setEngine('IDA') |
688 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
689 |
I.setLogTimesteps(ascpy.Units("s"), 0.4, 4e10, 11) |
690 |
I.setMaxSubStep(0); |
691 |
I.setInitialSubStep(0); |
692 |
I.setMaxSubSteps(0); |
693 |
I.setParameter('autodiff',True) |
694 |
I.setParameter('linsolver','SPGMR') |
695 |
I.setParameter('gsmodified',False) |
696 |
I.setParameter('maxncf',10) |
697 |
I.analyse() |
698 |
I.solve() |
699 |
assert abs(float(M.y1) - 5.1091e-08) < 1e-10 |
700 |
assert abs(float(M.y2) - 2.0437e-13) < 1e-15 |
701 |
assert abs(float(M.y3) - 1.0) < 1e-5 |
702 |
|
703 |
# move code above down here if you want to temporarily avoid testing it |
704 |
class NotToBeTested: |
705 |
def nothing(self): |
706 |
pass |
707 |
|
708 |
if __name__=='__main__': |
709 |
restart = 0 |
710 |
modelsdir = None |
711 |
|
712 |
if not os.environ.get('ASCENDLIBRARY'): |
713 |
modelsdir = os.path.normpath(os.path.join(sys.path[0],"models")) |
714 |
os.environ['ASCENDLIBRARY'] = modelsdir |
715 |
restart = 1 |
716 |
|
717 |
if platform.system()=="Windows": |
718 |
LD_LIBRARY_PATTH="PATH" |
719 |
SEP = ";" |
720 |
else: |
721 |
LD_LIBRARY_PATH="LD_LIBRARY_PATH" |
722 |
SEP = ":" |
723 |
|
724 |
libdirs = ["pygtk","."] |
725 |
libdirs = [os.path.normpath(os.path.join(sys.path[0],l)) for l in libdirs] |
726 |
if not os.environ.get(LD_LIBRARY_PATH): |
727 |
os.environ[LD_LIBRARY_PATH]=libdirs |
728 |
else: |
729 |
envlibdirs = [os.path.normpath(i) for i in os.environ[LD_LIBRARY_PATH].split(SEP)] |
730 |
for l in libdirs: |
731 |
if l not in envlibdirs: |
732 |
envlibdirs.insert(0,l) |
733 |
restart = 1 |
734 |
os.environ[LD_LIBRARY_PATH] = SEP.join(envlibdirs) |
735 |
|
736 |
pypath = os.path.normpath(os.path.join(sys.path[0],"pygtk")) |
737 |
if not os.environ.get('PYTHONPATH'): |
738 |
os.environ['PYTHONPATH']=pypath |
739 |
else: |
740 |
envpypath = os.environ['PYTHONPATH'].split(SEP) |
741 |
if pypath not in envpypath: |
742 |
envpypath.insert(0,pypath) |
743 |
restart = 1 |
744 |
|
745 |
if restart: |
746 |
script = os.path.join(sys.path[0],"test.py") |
747 |
os.execvp("python",[script] + sys.argv) |
748 |
|
749 |
import ascpy |
750 |
|
751 |
try: |
752 |
import cunit |
753 |
except: |
754 |
pass |
755 |
|
756 |
atexit.register(ascpy.shutdown) |
757 |
#suite = unittest.TestSuite() |
758 |
#suite = unittest.defaultTestLoader.loadTestsFromName('__main__') |
759 |
#unittest.TextTestRunner(verbosity=2).run(suite) |
760 |
unittest.main() |