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Do not slacken segments which source/target in a "go straight" GCell. 

* Change: In Anabatic::AutoHorizontal::_canSlacken(), if the source or
    target contact is in a GCell flagged "go straight", do not slacken,
    which would create a dogleg. This case is usually meet under big
    power rails that render a dogleg impossible to place as all tracks
    are used.
       Same modification for AutoVertical.
This commit is contained in:
Jean-Paul Chaput 2019-08-12 01:01:29 +02:00
parent 70a3960ba5
commit 1b2c90424a
3 changed files with 14 additions and 9 deletions
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6
anabatic/src/AutoHorizontal.cpp
View File

@ -249,6 +249,8 @@ namespace Anabatic {
Interval targetSide = getAutoTarget()->getGCell()->getSide( Flags::Vertical );
Interval sourceConstraints = Interval(getAutoSource()->getCBYMin(),getAutoSource()->getCBYMax());
Interval targetConstraints = Interval(getAutoTarget()->getCBYMin(),getAutoTarget()->getCBYMax());
bool sourceGoStraight = getAutoSource()->getGCell()->isGoStraight();
bool targetGoStraight = getAutoTarget()->getGCell()->isGoStraight();
// Expand by a tiny amount for the "contains" to work for sure.
sourceConstraints.inflate( 1 );
@ -261,8 +263,8 @@ namespace Anabatic {
cdebug_log(149,0) << "target constraints: " << targetConstraints
<< " " << DbU::getValueString(targetConstraints.getSize()) << endl;
if (not sourceConstraints.contains(sourceSide)) { cdebug_tabw(149,-1); return true; }
if (not targetConstraints.contains(targetSide)) { cdebug_tabw(149,-1); return true; }
if (not sourceGoStraight and not sourceConstraints.contains(sourceSide)) { cdebug_tabw(149,-1); return true; }
if (not targetGoStraight and not targetConstraints.contains(targetSide)) { cdebug_tabw(149,-1); return true; }
cdebug_tabw(149,-1);
return false;

6
anabatic/src/AutoVertical.cpp
View File

@ -243,13 +243,15 @@ namespace Anabatic {
Interval targetSide = getAutoTarget()->getGCell()->getSide( Flags::Horizontal );
Interval sourceConstraints = Interval(getAutoSource()->getCBXMin(),getAutoSource()->getCBXMax());
Interval targetConstraints = Interval(getAutoTarget()->getCBXMin(),getAutoTarget()->getCBXMax());
bool sourceGoStraight = getAutoSource()->getGCell()->isGoStraight();
bool targetGoStraight = getAutoTarget()->getGCell()->isGoStraight();
// Expand by a tiny amount for the "contains" to work for sure.
sourceConstraints.inflate( 1 );
targetConstraints.inflate( 1 );
if (not sourceConstraints.contains(sourceSide)) { cdebug_tabw(149,-1); return true; }
if (not targetConstraints.contains(targetSide)) { cdebug_tabw(149,-1); return true; }
if (not sourceGoStraight and not sourceConstraints.contains(sourceSide)) { cdebug_tabw(149,-1); return true; }
if (not targetGoStraight and not targetConstraints.contains(targetSide)) { cdebug_tabw(149,-1); return true; }
cdebug_tabw(149,-1);
return false;

11
anabatic/src/Constants.cpp
View File

@ -186,12 +186,13 @@ namespace Anabatic {
s += (_flags & (uint64_t)DeviceGCell ) ? 'd' : '-';
s += (_flags & (uint64_t)HChannelGCell) ? 'c' : '-';
s += (_flags & (uint64_t)VChannelGCell) ? 'c' : '-';
s += (_flags & (uint64_t)HRailGCell ) ? 'r' : '-';
s += (_flags & (uint64_t)VRailGCell ) ? 'r' : '-';
s += (_flags & (uint64_t)StrutGCell ) ? 's' : '-';
s += (_flags & (uint64_t)MatrixGCell ) ? 'm' : '-';
s += (_flags & (uint64_t)StdCellRow ) ? 'S' : '-';
s += (_flags & (uint64_t)HRailGCell ) ? 'H' : '-';
s += (_flags & (uint64_t)VRailGCell ) ? 'V' : '-';
s += (_flags & (uint64_t)StrutGCell ) ? 'S' : '-';
s += (_flags & (uint64_t)MatrixGCell ) ? 'M' : '-';
s += (_flags & (uint64_t)StdCellRow ) ? 'R' : '-';
s += (_flags & (uint64_t)ChannelRow ) ? 'C' : '-';
s += (_flags & (uint64_t)GoStraight ) ? 'g' : '-';
s += ",";
s += (_flags & (uint64_t)Invalidated ) ? 'i' : '-';
s += (_flags & (uint64_t)DestroyGCell ) ? 'D' : '-';