Changeset a3b213 in git

Timestamp:

Aug 13, 2013, 11:10:22 AM (10 years ago)

Author:

Martin Lee <martinlee84@…>

Branches:

(u'jengelh-datetime', 'ceac47cbc86fe4a15902392bdbb9bd2ae0ea02c6')(u'spielwiese', 'f875bbaccd0831e36aaed09ff6adeb3eb45aeb94')

Children:

09dbf32a73ab559fc399380625e62d872c92c45b

Parents:

88a7fd5f708a876b49799b5fac7709aa3df27c2a

git-author:

Martin Lee <martinlee84@web.de>2013-08-13 11:10:22+02:00

git-committer:

Martin Lee <martinlee84@web.de>2013-08-30 13:48:29+02:00

Message:

fix: possible seg fault due to wrong log deriv

File:

• factory/facFqBivarUtil.cc (modified) (2 diffs)

factory/facFqBivarUtil.cc

@@ -471 +471 @@
   logDeriv= mulMod2 (q, deriv (G, y), xToL);
   TIMING_END_AND_PRINT (fac_log_deriv_mul, "time to multiply in logderiv1: ");
+
+  if (degree (logDeriv, x) == 0)
+  {
+    Q= q;
+    return CFArray();
+  }
 
   int j= degree (logDeriv, y) + 1;
@@ -549 +555 @@
   logDeriv= mulMod2 (q, deriv (G, y), xToL);
   TIMING_END_AND_PRINT (fac_log_deriv_mul, "time for mul in logderiv2: ");
+
+  if (degree (logDeriv, x) == 0)
+  {
+    Q= q;
+    return CFArray();
+  }
 
   int j= degree (logDeriv,y) + 1;