Delete unused file

compiler/router/direction.py

@@ -1,75 +0,0 @@
-# See LICENSE for licensing information.
-#
-# Copyright (c) 2016-2023 Regents of the University of California and The Board
-# of Regents for the Oklahoma Agricultural and Mechanical College
-# (acting for and on behalf of Oklahoma State University)
-# All rights reserved.
-#
-from enum import Enum
-from openram import debug
-from openram.base.vector3d import vector3d
-
-
-class direction(Enum):
-    NORTH = 1
-    SOUTH = 2
-    EAST = 3
-    WEST = 4
-    UP = 5
-    DOWN = 6
-    NORTHEAST = 7
-    NORTHWEST = 8
-    SOUTHEAST = 9
-    SOUTHWEST = 10
-
-    def get_offset(direct):
-        """
-        Returns the vector offset for a given direction.
-        """
-        if direct==direction.NORTH:
-            offset = vector3d(0, 1, 0)
-        elif direct==direction.SOUTH:
-            offset = vector3d(0, -1 ,0)
-        elif direct==direction.EAST:
-            offset = vector3d(1, 0, 0)
-        elif direct==direction.WEST:
-            offset = vector3d(-1, 0, 0)
-        elif direct==direction.UP:
-            offset = vector3d(0, 0, 1)
-        elif direct==direction.DOWN:
-            offset = vector3d(0, 0, -1)
-        elif direct==direction.NORTHEAST:
-            offset = vector3d(1, 1, 0)
-        elif direct==direction.NORTHWEST:
-            offset = vector3d(-1, 1, 0)
-        elif direct==direction.SOUTHEAST:
-            offset = vector3d(1, -1, 0)
-        elif direct==direction.SOUTHWEST:
-            offset = vector3d(-1, -1, 0)
-        else:
-            debug.error("Invalid direction {}".format(direct))
-
-        return offset
-
-    def cardinal_directions(up_down_too=False):
-        temp_dirs = [direction.NORTH, direction.EAST, direction.SOUTH, direction.WEST]
-        if up_down_too:
-            temp_dirs.extend([direction.UP, direction.DOWN])
-        return temp_dirs
-
-    def cardinal_offsets(up_down_too=False):
-        return [direction.get_offset(d) for d in direction.cardinal_directions(up_down_too)]
-
-    def all_directions():
-        return [direction.NORTH, direction.EAST, direction.SOUTH, direction.WEST,
-                direction.NORTHEAST, direction.NORTHWEST, direction.SOUTHEAST, direction.SOUTHWEST]
-
-    def all_offsets():
-        return [direction.get_offset(d) for d in direction.all_directions()]
-
-    def all_neighbors(cell):
-        return [cell + x for x in direction.all_offsets()]
-
-    def cardinal_neighbors(cell):
-        return [cell + x for x in direction.cardinal_offsets()]
-

compiler/router/graph.py

@@ -9,7 +9,6 @@ from openram import debug
 from openram.base.vector import vector
 from openram.base.vector3d import vector3d
 from openram.tech import drc
-from .direction import direction
 from .graph_node import graph_node
 from .graph_probe import graph_probe
 from .graph_utils import snap