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Corrected the non-Manhattan DRC edge check, which was failing to

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account for the fact that non-Manhattan tiles are processed twice
in the search, with the side mask bit 1 and 0 for each call.  The
DRC check, like the Manhattan checks, only needs to check one of
these.
This commit is contained in:
Tim Edwards
2021-11-17 10:55:50 -05:00
parent 73bad08457
commit f8a45a19bb
1 changed files with 11 additions and 18 deletions
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drc/DRCbasic.c
+11 -18
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@@ -452,7 +452,11 @@ drcTile (tile, arg)
(*(arg->dCD_errors))++;
}
if (IsSplit(tile))
/* Diagonally split tiles are processed twice. Just like the */
/* DRC searches only one direction on regular tiles, the split */
/* tiles are only processed for one of the two cases. */
if (IsSplit(tile) && !SplitSide(tile))
{
int deltax, deltay;
TileType tt, to;
@@ -482,16 +486,8 @@ drcTile (tile, arg)
}
/* Full check of edge rules along the diagonal. */
if (SplitSide(tile))
{
tt = TiGetRightType(tile); /* inside type */
to = TiGetLeftType(tile); /* outside type */
}
else
{
tt = TiGetLeftType(tile); /* inside type */
to = TiGetRightType(tile); /* outside type */
}
tt = TiGetLeftType(tile); /* inside type */
to = TiGetRightType(tile); /* outside type */
for (cptr = DRCCurStyle->DRCRulesTbl[to][tt]; cptr != (DRCCookie *) NULL;
cptr = cptr->drcc_next)
@@ -546,20 +542,17 @@ drcTile (tile, arg)
deltax = (int)((double)cptr->drcc_dist * sqrt(r));
deltay = (deltax * w) / h;
if (SplitSide(tile) == 1) deltax = -deltax;
if (SplitDirection(tile) == SplitSide(tile)) deltay = -deltay;
if (SplitDirection(tile) == 0) deltay = -deltay;
dinfo = TiGetTypeExact(tile) & (TT_DIAGONAL | TT_DIRECTION | TT_SIDE);
dinfo = TiGetTypeExact(tile) & (TT_DIAGONAL | TT_DIRECTION);
if (!(cptr->drcc_flags & DRC_REVERSE))
{
/* Forward case is behind the triangle */
deltax = -deltax;
deltay = -deltay;
/* Split side changes in the reverse case */
if (SplitSide(tile))
dinfo &= (~TT_SIDE);
else
dinfo |= TT_SIDE;
dinfo |= TT_SIDE;
}
/* errRect is the tile area offset by (deltax, deltay) */