sci-mathematics/pari/files/pari-2.5.1-1302.patch

   1 commit 917b505c86a70dda2191d380861af05becc03858
   2 Author: Karim Belabas <Karim.Belabas@math.u-bordeaux1.fr>
   3 Date:   Mon Mar 12 23:54:11 2012 +0100
   4
   5     ispower(x < 0,, &n): n could have the wrong sign [#1302]
   6
   7 diff --git a/src/basemath/arith1.c b/src/basemath/arith1.c
   8 index ded946b..5502ba5 100644
   9 --- a/src/basemath/arith1.c
  10 +++ b/src/basemath/arith1.c
  11 @@ -1109,6 +1109,7 @@ Z_isanypower(GEN x, GEN *pty)
  12        *pty = gerepileuptoint(av, y);
  13        return k;
  14      }
  15 +    if (pty) togglesign_safe(pty);
  16    }
  17    if (pty) *pty = gerepilecopy(av, *pty); else avma = av;
  18    return k;
  19 diff --git a/src/test/32/ispower b/src/test/32/ispower
  20 index bf4b6f0..84d8de7 100644
  21 --- a/src/test/32/ispower
  22 +++ b/src/test/32/ispower
  23 @@ -1118,7 +1118,7 @@
  24  [2, 999]
  25  [6, 10]
  26  [3, -4]
  27 -[3, 2]
  28 -[3, 21218]
  29 +[3, -2]
  30 +[3, -21218]
  31  [3, -1/4]
  32 -Total time spent: 3236
  33 +Total time spent: 3012