def unpickle_function(name, nargs, latex_name, conversions, evalf_params_first,
pickled_funcs):
r"""
This is returned by the ``__reduce__`` method of symbolic functions to be
called during unpickling to recreate the given function.
It calls :meth:`function_factory` with the supplied arguments.
EXAMPLES::
sage: from sage.symbolic.function_factory import unpickle_function
sage: nf = unpickle_function('f', 2, '\\foo', {'mathematica':'Foo'}, True, [])
sage: nf
f
sage: nf(1,2)
f(1, 2)
sage: latex(nf(x,x))
\foo\left(x, x\right)
sage: nf._mathematica_init_()
'Foo'
sage: from sage.symbolic.function import pickle_wrapper
sage: def evalf_f(self, x, parent=None, algorithm=None): return 2r*x + 5r
sage: def conjugate_f(self, x): return x/2r
sage: nf = unpickle_function('g', 1, None, None, True, [None, pickle_wrapper(evalf_f), pickle_wrapper(conjugate_f)] + [None]*8)
sage: nf
g
sage: nf(2)
g(2)
sage: nf(2).n()
9.00000000000000
sage: nf(2).conjugate()
1
"""
funcs = [unpickle_wrapper(_) for _ in pickled_funcs]
args = [name, nargs, latex_name, conversions, evalf_params_first] + funcs
return function_factory(*args)
def unpickle_function(name, nargs, latex_name, conversions, evalf_params_first,
pickled_funcs):
r"""
This is returned by the ``__reduce__`` method of symbolic functions to be
called during unpickling to recreate the given function.
It calls :meth:`function_factory` with the supplied arguments.
EXAMPLES::
sage: from sage.symbolic.function_factory import unpickle_function
sage: nf = unpickle_function('f', 2, '\\foo', {'mathematica':'Foo'}, True, [])
sage: nf
f
sage: nf(1,2)
f(1, 2)
sage: latex(nf(x,x))
\foo\left(x, x\right)
sage: nf._mathematica_init_()
'Foo'
sage: from sage.symbolic.function import pickle_wrapper
sage: def evalf_f(self, x, parent=None, algorithm=None): return 2r*x + 5r
sage: def conjugate_f(self, x): return x/2r
sage: nf = unpickle_function('g', 1, None, None, True, [None, pickle_wrapper(evalf_f), pickle_wrapper(conjugate_f)] + [None]*8)
sage: nf
g
sage: nf(2)
g(2)
sage: nf(2).n()
9.00000000000000
sage: nf(2).conjugate()
1
"""
funcs = [unpickle_wrapper(_) for _ in pickled_funcs]
args = [name, nargs, latex_name, conversions, evalf_params_first] + funcs
return function_factory(*args)