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""""""
from functools import cached_property
from itertools import product
from public import public
from importlib_resources.abc import Traversable
from typing import Any
from .base import (
Formula,
CodeOp,
AdditionFormula,
DoublingFormula,
TriplingFormula,
NegationFormula,
ScalingFormula,
DifferentialAdditionFormula,
LadderFormula,
)
from ast import parse
class EFDFormula(Formula):
"""Formula from the [EFD]_."""
def __init__(
self,
meta_path: Traversable,
op3_path: Traversable,
name: str,
coordinate_model: Any,
):
self.name = name
self.coordinate_model = coordinate_model
self.meta = {}
self.parameters = []
self.assumptions = []
self.code = []
self.unified = False
self.__read_meta_file(meta_path)
self.__read_op3_file(op3_path)
def __read_meta_file(self, path: Traversable):
with path.open("rb") as f:
line = f.readline().decode("ascii").rstrip()
while line:
if line.startswith("source"):
self.meta["source"] = line[7:]
elif line.startswith("parameter"):
self.parameters.append(line[10:])
elif line.startswith("assume"):
self.assumptions.append(
parse(
line[7:].replace("=", "==").replace("^", "**"), mode="eval"
)
)
elif line.startswith("unified"):
self.unified = True
line = f.readline().decode("ascii").rstrip()
def __read_op3_file(self, path: Traversable):
with path.open("rb") as f:
for line in f.readlines():
code_module = parse(
line.decode("ascii").replace("^", "**"), str(path), mode="exec"
)
self.code.append(CodeOp(code_module))
def __str__(self):
return f"{self.coordinate_model!s}/{self.name}"
@cached_property
def input_index(self):
return 1
@cached_property
def output_index(self):
return max(self.num_inputs + 1, 3)
@cached_property
def inputs(self):
return {
var + str(i)
for var, i in product(
self.coordinate_model.variables, range(1, 1 + self.num_inputs)
)
}
@cached_property
def outputs(self):
return {
var + str(i)
for var, i in product(
self.coordinate_model.variables,
range(self.output_index, self.output_index + self.num_outputs),
)
}
def __eq__(self, other):
if not isinstance(other, EFDFormula):
return False
return (
self.name == other.name and self.coordinate_model == other.coordinate_model
)
def __hash__(self):
return hash((self.coordinate_model, self.name))
@public
class AdditionEFDFormula(AdditionFormula, EFDFormula):
pass
@public
class DoublingEFDFormula(DoublingFormula, EFDFormula):
pass
@public
class TriplingEFDFormula(TriplingFormula, EFDFormula):
pass
@public
class NegationEFDFormula(NegationFormula, EFDFormula):
pass
@public
class ScalingEFDFormula(ScalingFormula, EFDFormula):
pass
@public
class DifferentialAdditionEFDFormula(DifferentialAdditionFormula, EFDFormula):
pass
@public
class LadderEFDFormula(LadderFormula, EFDFormula):
pass
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