Method decode

src/sympc/encoder/fp_encoder.py:64–92

Decode a value using the FixedPoint Encoder. Args: value (Union[int, torch.Tensor]): Value to decode. Returns: torch.Tensor: Decoded tensor. Raises: ValueError: If value is a floating torch.Tensor.

(self, value: Union[int, torch.Tensor])

        return long_value

    def decode(self, value: Union[int, torch.Tensor]) -> torch.Tensor:
        """Decode a value using the FixedPoint Encoder.

        Args:
            value (Union[int, torch.Tensor]): Value to decode.

        Returns:
            torch.Tensor: Decoded tensor.

        Raises:
            ValueError: If value is a floating torch.Tensor.
        """
        if isinstance(value, torch.Tensor) and value.dtype.is_floating_point:
            raise ValueError(f"{value} should be converted to long format")

        if isinstance(value, int):
            value = torch.LongTensor([value])

        tensor = value
        if self._precision == 0:
            return tensor

        correction = (tensor < 0).long()
        dividend = tensor // self._scale - correction
        remainder = tensor % self._scale
        remainder += (remainder == 0).long() * self._scale * correction

        tensor = dividend.float() + remainder.float() / self._scale
        return tensor

    @property
    def precision(self):