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Disable topology reduction by default. Enable it by setting 

'topo_reduce' in .spiceinit.
This commit is contained in:
Holger Vogt 2026-07-17 10:56:55 +02:00
parent 7dc8923bc6
commit 3c1687ea29
1 changed files with 2 additions and 2 deletions
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4
src/spicelib/analysis/cktsetup.c
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@ -58,7 +58,7 @@ Author: 1985 Thomas L. Quarles
* tree rather than in GENnode(), so they are walked separately below -- without * tree rather than in GENnode(), so they are walked separately below -- without
* that, a node touched only by a code model would look floating and its passive * that, a node touched only by a code model would look floating and its passive
* would be wrongly pruned. Only capacitors and resistors are ever removed. * would be wrongly pruned. Only capacitors and resistors are ever removed.
* Disable with `set no_topo_reduce` in .spiceinit. It is disabled as well * Enable with `set topo_reduce` in .spiceinit. It is disabled always
* if option rshunt=xx is selected.*/ * if option rshunt=xx is selected.*/
static void static void
CKTtopologyReduce(CKTcircuit *ckt) CKTtopologyReduce(CKTcircuit *ckt)
@ -69,7 +69,7 @@ CKTtopologyReduce(CKTcircuit *ckt)
GENmodel *gmod; GENmodel *gmod;
GENinstance *ginst; GENinstance *ginst;
if (cp_getvar("no_topo_reduce", CP_BOOL, NULL, 0)) if (!cp_getvar("topo_reduce", CP_BOOL, NULL, 0))
return; return;
#ifdef XSPICE #ifdef XSPICE