/usr/share/pyshared/brian/unitsafefunctions.py is in python-brian 1.3.1-1build1.
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# Copyright ENS, INRIA, CNRS
# Contributors: Romain Brette (brette@di.ens.fr) and Dan Goodman (goodman@di.ens.fr)
#
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"""
Functions which check the dimensions of their arguments, etc.
Functions updated to provide Quantity functionality
---------------------------------------------------
With any dimensions:
* sqrt
Dimensionless:
* log, exp
* sin, cos, tan
* arcsin, arccos, arctan
* sinh, cosh, tanh
* arcsinh, arccosh, arctanh
With homogeneous dimensions:
* dot
"""
from brian_unit_prefs import bup
from units import *
import numpy, math, scipy
from numpy import *
from numpy.random import *
from scipy.integrate import *
import inspect
__all__ = []
# these functions are the ones that will work with the template immediately below, and
# extend the numpy functions to know about Quantity objects
quantity_versions = [
'sqrt',
'log', 'exp',
'sin', 'cos', 'tan',
'arcsin', 'arccos', 'arctan',
'sinh', 'cosh', 'tanh',
'arcsinh', 'arccosh', 'arctanh'
]
def make_quantity_version(func):
funcname = func.__name__
def f(x):
if isinstance(x, Quantity):
return getattr(x, funcname)()
return func(x)
f.__name__ = func.__name__
f.__doc__ = func.__doc__
if hasattr(func, '__dict__'):
f.__dict__.update(func.__dict__)
return f
for name in quantity_versions:
if bup.use_units:
exec name + '=make_quantity_version(' + name + ')'
__all__.append(name)
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