Avoid crash, when sensitivity analysis is called

2 years ago · ca7c6cce71
1 changed files with 3 additions and 1 deletions
--- a/src/spicelib/analysis/cktsens.c
+++ b/src/spicelib/analysis/cktsens.c
@ -162,7 +162,9 @@ int sens_sens(CKTcircuit* ckt, int restart)
            return error;

 #ifdef KLU
-        delta_Y->SMPkluMatrix->KLUmatrixDiag = NULL;
+        /* FIXME: needs better understanding what makes SMPkluMatrix NULL */
+        if(delta_Y->SMPkluMatrix)
+            delta_Y->SMPkluMatrix->KLUmatrixDiag = NULL;
 #endif

        // SMPprint(delta_Y, NULL);