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Diffstat (limited to 'mdpoly/operations/exp.py')
| -rw-r--r-- | mdpoly/operations/exp.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/mdpoly/operations/exp.py b/mdpoly/operations/exp.py index 2b17a07..ee90928 100644 --- a/mdpoly/operations/exp.py +++ b/mdpoly/operations/exp.py @@ -46,6 +46,13 @@ class PolyExp(BinaryOp, Reducible): if not isinstance(self.right.value, int): raise NotImplementedError("Cannot raise to non-integer powers (yet).") + if self.right.value == 0: + # FIXME: return constant + raise NotImplementedError + + elif self.right.value < 0: + raise AlgebraicError("Cannot raise to negative powers (yet).") + ntimes = self.right.value - 1 return reduce(PolyMul, (var for _ in range(ntimes)), var) |