Changeset 434e415 in git for factory/fac_sqrfree.cc

Timestamp:

May 31, 2008, 7:21:11 PM (16 years ago)

Author:

Hans Schönemann <hannes@…>

Branches:

(u'spielwiese', 'fe61d9c35bf7c61f2b6cbf1b56e25e2f08d536cc')

Children:

9a6e9ffb1c630a9c3f859a243a888ba80724038d

Parents:

9e9b7c1dbc45990a692860b6f085c25b0cdab8f2

Message:

hannes: minor libfac changes


git-svn-id: file:///usr/local/Singular/svn/trunk@10733 2c84dea3-7e68-4137-9b89-c4e89433aadc

File:

• factory/fac_sqrfree.cc (modified) (3 diffs)

factory/fac_sqrfree.cc

@@ -1 +1 @@
 /* emacs edit mode for this file is -*- C++ -*- */
-/* $Id: fac_sqrfree.cc,v 1.10 2008-03-17 17:44:04 Singular Exp $ */
+/* $Id: fac_sqrfree.cc,v 1.11 2008-05-31 17:21:11 Singular Exp $ */
 
 #include <config.h>
@@ -60 +60 @@
 
     divexp = p;
-    while ( t0.degree(x) > 0 ) {
+    while ( t0.degree(x) > 0 )
+    {
         t = gcd( t0, t0.deriv() );
         v = t0 / t;
         k = 0;
-        while ( v.degree(x) > 0 ) {
+        while ( v.degree(x) > 0 )
+        {
             k = k+1;
-            if ( k % p == 0 ) {
+            if ( k % p == 0 )
+            {
                 t /= v;
                 k = k+1;
@@ -80 +83 @@
         e = p * e;
     }
-    if ( ! leadcf.isOne() ) {
-        if ( F.getFirst().exp() == 1 ) {
+    if ( ! leadcf.isOne() )
+    {
+        if ( !F.isEmpty() && (F.getFirst().exp() == 1) )
+        {
             leadcf = F.getFirst().factor() * leadcf;
             F.removeFirst();