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Corrected an error in the calculation of the number of contact

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cuts per contact area during parasitic resistance extraction.
Previously, the result was divided by the via pitch twice,
resulting in most contact areas being reported as a single
cut.
This commit is contained in:
Tim Edwards
2023-09-28 12:38:08 -04:00
parent 7aa846443a
commit 656b5dbabe
3 changed files with 7 additions and 11 deletions
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VERSION
+1 -1
View File
@@ -1 +1 @@
8.3.434
8.3.435
resis/ResMakeRes.c
+2 -4
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@@ -831,14 +831,12 @@ ResDoContacts(contact, nodes, resList)
else
{
viawidth += spacing;
squaresf = (float)((contact->cp_width * cscale) - minside) / (float)viawidth;
squaresf *= ExtCurStyle->exts_unitsPerLambda;
squaresf = (float)((contact->cp_width * cscale) - minside);
squaresf /= (float)viawidth;
squaresx = (int)squaresf;
squaresx++;
squaresf = (float)((contact->cp_height * cscale) - minside) / (float)viawidth;
squaresf *= ExtCurStyle->exts_unitsPerLambda;
squaresf = (float)((contact->cp_height * cscale) - minside);
squaresf /= (float)viawidth;
squaresy = (int)squaresf;
squaresy++;
resis/ResSimple.c
+4 -6
View File
@@ -880,7 +880,7 @@ ResDoSimplify(tolerance, rctol, goodies)
/* we're calculating lumped values so that the capacitance */
/* values get calculated correctly. */
(void) ResDistributeCapacitance(ResNodeList,goodies->rg_nodecap);
(void) ResDistributeCapacitance(ResNodeList, goodies->rg_nodecap);
if (((tolerance > bigres) || ((ResOptionsFlags & ResOpt_Simplify) == 0)) &&
((ResOptionsFlags & ResOpt_DoLumpFile) == 0))
@@ -895,9 +895,9 @@ ResDoSimplify(tolerance, rctol, goodies)
oldres->rr_status &= ~RES_HEAP;
if (oldres->rr_status & RES_TDI_IGNORE)
{
ResDeleteResPointer(oldres->rr_node[0], oldres);
ResDeleteResPointer(oldres->rr_node[1], oldres);
ResEliminateResistor(oldres, &ResResList);
ResDeleteResPointer(oldres->rr_node[0], oldres);
ResDeleteResPointer(oldres->rr_node[1], oldres);
ResEliminateResistor(oldres, &ResResList);
}
}
@@ -940,7 +940,6 @@ ResDoSimplify(tolerance, rctol, goodies)
goodies->rg_Tdi != -1)
return 0;
/* Simplify network; resistors are still in milliohms, so use
* millitolerance.
*/
@@ -963,7 +962,6 @@ ResDoSimplify(tolerance, rctol, goodies)
}
if (ResOriginNode != NULL)
{
/* if Tdi is enabled, prune all branches whose end nodes */
/* have time constants less than the tolerance. */