def visit_condition(self, condition, **kwargs):
from nineml.abstraction_layer.component import MathUtil
prefix = kwargs.get('prefix', '')
prefix_excludes = kwargs.get('prefix_excludes', [])
rhs = MathUtil.get_prefixed_rhs_string(
expr_obj=condition, prefix=prefix, exclude=prefix_excludes)
return nineml.abstraction_layer.Condition(rhs=rhs)
def visit_timederivative(self, time_derivative, **kwargs):
from nineml.abstraction_layer.component import MathUtil
prefix = kwargs.get('prefix', '')
prefix_excludes = kwargs.get('prefix_excludes', [])
dep = self.prefix_variable(time_derivative.dependent_variable, **kwargs)
rhs = MathUtil.get_prefixed_rhs_string(
expr_obj=time_derivative, prefix=prefix, exclude=prefix_excludes)
return nineml.abstraction_layer.TimeDerivative(dependent_variable=dep, rhs=rhs)
def visit_assignment(self, assignment, **kwargs):
from nineml.abstraction_layer.component import MathUtil
prefix = kwargs.get('prefix', '')
prefix_excludes = kwargs.get('prefix_excludes', [])
lhs = self.prefix_variable(assignment.lhs, **kwargs)
rhs = MathUtil.get_prefixed_rhs_string(
expr_obj=assignment, prefix=prefix, exclude=prefix_excludes)
return nineml.abstraction_layer.StateAssignment(lhs=lhs, rhs=rhs)
def action_assignment(self, assignment, **kwargs):
rand_map = {
'normal' : r'nineml_random_normal(\1,\2)',
'uniform' : r'nineml_random_uniform(\1,\2)',
'binomial' : r'nineml_random_binomial(\1,\2)',
'poisson' : r'nineml_random_poisson(\1)',
'exponential' : r'nineml_random_exponential(\1)',
}
expr = assignment.rhs
for atom in assignment.rhs_atoms_in_namespace('random'):
if not atom in rand_map:
err = 'Neuron Simulator does not support: %s'%atom
raise nineml.exceptions.NineMLRuntimeError(err)
expr = MathUtil.rename_function(expr, '%s.%s'%('random',atom), rand_map[atom] )
self.required_random_functions.add(atom)
assignment.neuron_rhs = expr
