[SCM] an open source computer algebra system branch, cleanedupstream, updated. 6125e540ca6d66c307958938a9d53b245507c323

[Bernhard R. Link]

The following commit has been merged in the cleanedupstream branch:
commit f76aaf569b67d75528b5fa5e41b72cdf22493b93
Author: Martin Lee <martinlee84 at web.de>
Date:   Wed Apr 4 12:11:29 2012 +0200

    fix: bug in ilog2

diff --git a/factory/canonicalform.cc b/factory/canonicalform.cc
index 41e5fb5..bfd752d 100644
--- a/factory/canonicalform.cc
+++ b/factory/canonicalform.cc
@@ -1315,7 +1315,13 @@ CanonicalForm::ilog2 () const
         ASSERT( is_imm( value ) == INTMARK, "ilog2() not implemented" );
         int a = imm2int( value );
         ASSERT( a > 0, "arg to ilog2() less or equal zero" );
-        return ::ilog2(a);
+        int n = -1;
+        while ( a > 0 )
+        {
+          n++;
+          a /=2;
+        }
+        return n;
     }
     else
         return value->ilog2();

-- 
an open source computer algebra system