RouteUtil.mesa
Copyright Ó 1985, 1987, 1988 by Xerox Corporation. All rights reserved.
by Bryan Preas July 10, 1985 6:57:00 pm PDT
Christian Le Cocq March 21, 1988 1:07:10 pm PST
last edited by Bryan Preas April 19, 1987 1:39:21 pm PDT
DIRECTORY
Basics, CD, DABasics, Real, RealFns, RefTab, Rope, Route, RoutePrivate, RTBasic;
LayerToRoutingLayer:
PROC [rules: Route.DesignRules, layer:
CD.Layer]
RETURNS [routingLayer: RoutePrivate.RoutingLayerOrNone] ~
INLINE {
RETURN[
SELECT layer
FROM
rules.trunkLayer => trunk,
rules.branchLayer => branch,
ENDCASE => none];
};
RoutingLayerToLayer:
PROC [rules: Route.DesignRules, routingLayer: RoutePrivate.RoutingLayer]
RETURNS [layer:
CD.Layer] ~
INLINE {
RETURN[
SELECT routingLayer
FROM
trunk => rules.trunkLayer,
branch => rules.branchLayer,
ENDCASE => CD.undefLayer];
};
RoutingLayerName:
ARRAY RoutePrivate.RoutingLayerOrNone
OF Rope.
ROPE;
Length:
PROC [pos1, pos2: DABasics.Position]
RETURNS [DABasics.Number] =
INLINE {
RETURN[Real.Round[RealFns.SqRt[1.0*(pos1.x-pos2.x)*(pos1.x-pos2.x)+1.0*(pos1.y-pos2.y)*(pos1.y-pos2.y)]]]
};
return lenth of line segment from pos1 to pos2.
XYToPQ:
PROC [rules: Route.DesignRules, pos: DABasics.Position]
RETURNS [pqPos: RTBasic.PQPos]
~
INLINE {
RETURN[
SELECT rules.trunkDirection
FROM
horizontal => [pos.x, pos.y],
vertical => [pos.y, pos.x],
ENDCASE => [-1, -1]];
};
convert a position from x-y to p-q space.
PQToXY:
PROC [rules: Route.DesignRules, pqPos: RTBasic.PQPos]
RETURNS [pos: DABasics.Position] ~
INLINE {
RETURN[
SELECT rules.trunkDirection
FROM
horizontal => [pqPos.p, pqPos.q],
vertical => [pqPos.q, pqPos.p],
ENDCASE => [-1, -1]];
};
convert a position from p-q to x-y space.
CompareResult:
PROCEDURE [result1, result2: Route.ResultData]
RETURNS [result: Basics.Comparison];
CreateCDPin:
PROC [name: Rope.
ROPE, rect: DABasics.Rect, lev:
CD.Layer←
CD.undefLayer]
RETURNS [cdPin:
CD.Instance];
Create a ChipNDale pin. Calls CDPinObjects.CreatePinInstance but normalizes the rectangle first.
GetWidthWithContact:
PROC [rules: Route.DesignRules, branch:
NAT]
RETURNS [width:
NAT] =
INLINE {
RETURN[
MAX[rules.contactSize, branch]]};
Find the width of a pin when contact is included.
Include:
PROC [cell:
CD.Object←
NIL, ob:
CD.Object,
position: DABasics.Position←[0, 0], orientation: CD.Orientation←original] RETURNS [application: CD.Instance];
include an object in a cell
GetVia:
PROC [size: DABasics.Position, layer1, layer2:
CD.Layer, cdLambda: DABasics.Number]
RETURNS [cell:
CD.Object];
StitchVias:
PROC [size: DABasics.Position, layer1, layer2:
CD.Layer, cdLambda: DABasics.Number, viaTable: RefTab.Ref]
RETURNS [obj:
CD.Object];
LineToRect:
PROC [pos1, pos2: DABasics.Position, width: DABasics.Number]
RETURNS [position: DABasics.Position, size: DABasics.Position];
convert a line and a width to a rectangle and an orgin