Changeset 6f08f3 in git for factory/algext.cc

Timestamp:

Jun 30, 2011, 11:48:46 AM (12 years ago)

Author:

Martin Lee <martinlee84@…>

Branches:

(u'spielwiese', '0d6b7fcd9813a1ca1ed4220cfa2b104b97a0a003')

Children:

5df7d029068a38046a1329dc167295ebd9546adb

Parents:

3a8c5fe234a64598138a3f2f2cd5c5c2636d4442

Message:

create Variable(1) just once


git-svn-id: file:///usr/local/Singular/svn/trunk@14315 2c84dea3-7e68-4137-9b89-c4e89433aadc

File:

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

factory/algext.cc

@@ -511 +511 @@
   CanonicalForm g_image, alpha, gnew, mnew;
   FFGenerator gen = FFGenerator();
+  Variable x= Variable (1);
   for(FFGenerator gen = FFGenerator(); gen.hasItems(); gen.next())
   {
     alpha = gen.item();
-    gamma_image = reduce(gamma(alpha, Variable(1)),M); // plug in alpha for var(1)
+    gamma_image = reduce(gamma(alpha, x),M); // plug in alpha for var(1)
     if(gamma_image.isZero()) // skip lc-bad points var(1)-alpha
       continue;
-    tryBrownGCD( f(alpha, Variable(1)), g(alpha, Variable(1)), M, g_image, fail, false ); // recursive call with one var less
+    tryBrownGCD( f(alpha, x), g(alpha, x), M, g_image, fail, false ); // recursive call with one var less
     if(fail)
       return;
@@ -536 +537 @@
       g_image /= lc(g_image); // make g_image monic over Z/p
       g_image *= gamma_image; // multiply by multiple of image lc(gcd)
-      tryCRA( g_image, Variable(1)-alpha, gm, m, M, gnew, mnew, fail );
+      tryCRA( g_image, x-alpha, gm, m, M, gnew, mnew, fail );
       // gnew = gm mod m
       // gnew = g_image mod var(1)-alpha