Roland Dreier on Fri, 6 Nov 1998 18:25:10 -0600 (CST)


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Typo in 2.0.12 polarit1.c 

I think something like the following is needed to get factorization of 
polynomials over F_q to work.

Roland

--- src/basemath/polarit1.c.orig        Fri Nov  6 18:19:29 1998
+++ src/basemath/polarit1.c     Fri Nov  6 18:19:38 1998
@@ -1743,7 +1743,7 @@
     {
       pk *= p; e=pk;
       j=(lgef(f)-3)/p+3; setlg(f,j); setlgef(f,j);
-      for (i=2; i<j; i++) f2[i] = (long)powgi((GEN)f[p*(i-2)+2], frobinv);
+      for (i=2; i<j; i++) f[i] = (long)powgi((GEN)f[p*(i-2)+2], frobinv);
       df1=derivpol(f); f3=NULL;
     }
     f2 = f3? f3: ggcd(f,df1);