(arrays, expr)
return theano_contract
Build a theano function based on ``arrays`` and ``expr``.
Build a theano function based on ``arrays`` and ``expr``.
Build a theano function based on arrays and expr .
def build_expression(arrays, expr):
    """Build a theano function based on ``arrays`` and ``expr``."""
    import theano

    in_vars = [to_theano(array) for array in arrays]
    out_var = expr._contract(in_vars, backend="theano")

    # don't supply constants to graph
    graph_ins = [x for x in in_vars if not isinstance(x, theano.tensor.TensorConstant)]
    graph = theano.function(graph_ins, out_var)

    def theano_contract(*arrays):
        return graph(*[x for x in arrays if not isinstance(x, theano.tensor.TensorConstant)])

    return theano_contract
def build_expression ( arrays , expr ) : import theano in_vars = [ to_theano ( array ) for array in arrays ] out_var = expr . _contract ( in_vars , backend = "theano" ) # don't supply constants to graph graph_ins = [ x for x in in_vars if not isinstance ( x , theano . tensor . TensorConstant ) ] graph = theano . function ( graph_ins , out_var ) def theano_contract ( * arrays ) : return graph ( * [ x for x in arrays if not isinstance ( x , theano . tensor . TensorConstant ) ] ) return theano_contract