diff options
Diffstat (limited to 'pyecsca/ec/formula.py')
| -rw-r--r-- | pyecsca/ec/formula.py | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/pyecsca/ec/formula.py b/pyecsca/ec/formula.py index a3875ec..95ca246 100644 --- a/pyecsca/ec/formula.py +++ b/pyecsca/ec/formula.py @@ -1,3 +1,4 @@ +from abc import ABC, abstractmethod from ast import parse, Expression, Mult, Add, Sub, Pow, Div from itertools import product from typing import List, Set, Any, ClassVar, MutableMapping, Tuple, Union @@ -71,7 +72,7 @@ class FormulaAction(Action): return f"{self.__class__.__name__}({self.formula}, {self.input_points}) = {self.output_points}" -class Formula(object): +class Formula(ABC): """A formula operating on points.""" name: str coordinate_model: Any @@ -125,24 +126,28 @@ class Formula(object): return f"{self.__class__.__name__}({self.name} for {self.coordinate_model})" @property + @abstractmethod def input_index(self): """The starting index where this formula reads its inputs.""" - raise NotImplementedError + ... @property + @abstractmethod def output_index(self) -> int: """The starting index where this formula stores its outputs.""" - raise NotImplementedError + ... @property + @abstractmethod def inputs(self) -> Set[str]: """The input variables of the formula.""" - raise NotImplementedError + ... @property + @abstractmethod def outputs(self) -> Set[str]: """The output variables of the formula.""" - raise NotImplementedError + ... @property def num_operations(self) -> int: |