1a895914343d520c260f53eb32ec91d4e75c9fe3,pixyz/distributions/distributions.py,MultiplyDistribution,__init__,#MultiplyDistribution#,883

Before Change

        
        if not (isinstance(a, Distribution) and isinstance(b, Distribution)):
            raise ValueError("Given inputs should be `pixyz.Distribution`, got {} and {}.".format(type(a), type(b)))

        // Check parent-child relationship between two distributions.
        // If inherited variables (`_inh_var`) are exist (e.g. c in p(e|c)p(c|a,b)),
        // then p(e|c) is a child and p(c|a,b) is a parent, otherwise it is opposite.

After Change

        // Set variables.
        _var = _child.var + _parent.var
        if len(_var) != len(set(_var)):  // e.g. p(x|z)p(x|y)
            raise ValueError(f"Variables of two distributionsl,"
                             f" {_child.prob_text} and {_parent.prob_text}, are conflicted.")

        // Set conditional variables.
        _cond_var = _child.cond_var + _parent.cond_var
        _cond_var = sorted(set(_cond_var), key=_cond_var.index)

Instances