Source code for pacman.model.constraints.placer_constraints.radial_placement_from_chip_constraint
# Copyright (c) 2017-2019 The University of Manchester
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from .abstract_placer_constraint import AbstractPlacerConstraint
[docs]class RadialPlacementFromChipConstraint(AbstractPlacerConstraint):
""" A constraint that attempts to place a vertex as close to a chip\
as possible (including on it).
"""
__slots__ = [
# the chip x coord in the SpiNNaker machine to which the machine
# vertex is placed
"_x",
# the chip y coord in the SpiNNaker machine to which the machine
# vertex is placed
"_y"
]
def __init__(self, x, y):
"""
:param x: the x-coordinate of the chip
:type x: int
:param y: the y-coordinate of the chip
:type y: int
:raise None: does not raise any known exceptions
"""
self._x = int(x)
self._y = int(y)
@property
def x(self):
return self._x
@property
def y(self):
return self._y
def __repr__(self):
return "RadialPlacementFromChipConstraint(x={}, y={})".format(
self._x, self._y)
def __eq__(self, other):
if not isinstance(other, RadialPlacementFromChipConstraint):
return False
return (self._x, self._y) == (other.x, other.y)
def __ne__(self, other):
if not isinstance(other, RadialPlacementFromChipConstraint):
return True
return not self.__eq__(other)
def __hash__(self):
return hash((self._x, self._y))