def test_correct_dopri_integrator_name_in_generated_file(tmpfile):
dsargs, _ = vanDerPol()
dsargs['nobuild'] = True
ode = Dopri_ODEsystem(dsargs)
ode.makeLibSource(fname=tmpfile)
with open(tmpfile) as f:
assert 'for Dopri853 integrator' in next(f)
def test_correct_dopri_integrator_name_in_generated_file(tmpfile):
dsargs, _ = vanDerPol()
dsargs['nobuild'] = True
ode = Dopri_ODEsystem(dsargs)
ode.makeLibSource(fname=tmpfile)
with open(tmpfile) as f:
assert 'for Dopri853 integrator' in next(f)
def test_c_funcspec_with_loop():
args = {
'name': 'fs_with_loop',
'varspecs': {
'z[i]': 'for(i, 1, 6, t + [i]/2)', # FIXME: using 't**[i]' or 't^[i]' here results in RuntimeError
},
'nobuild': True,
}
# XXX: FuncSpec doesn't support 'for' loop directly
fs = Dopri_ODEsystem(args).funcspec
assert fs.spec[0].split('\n') == [
'void vfieldfunc(unsigned n_, unsigned np_, double t, double *Y_, double *p_, double *f_, unsigned wkn_, double *wk_, unsigned xvn_, double *xv_){',
'',
'f_[0] = t+1/2;',
'f_[1] = t+2/2;',
'f_[2] = t+3/2;',
'f_[3] = t+4/2;',
'f_[4] = t+5/2;',
'f_[5] = t+6/2;',
'',
'}',
'',
'',
]
def test_dopri_event(dsargs):
"""
Test Dopri_ODEsystem with events involving external inputs.
Robert Clewley, September 2006.
"""
_run_checks(Dopri_ODEsystem(dsargs))
def test_dopri_does_not_support_mass_matrix(tmpfile):
dsargs = dae()
dsargs['nobuild'] = True
with pytest.raises(ValueError):
ode = Dopri_ODEsystem(dsargs)
ode.makeLibSource(fname=tmpfile)
def test_dopri_does_not_support_mass_matrix(tmpfile):
dsargs = dae()
dsargs['nobuild'] = True
with pytest.raises(ValueError):
ode = Dopri_ODEsystem(dsargs)
ode.makeLibSource(fname=tmpfile)
