math/mp-nthrt.c: Fix garbled commentary.

[catacomb] / math / mp-nthrt.c

diff --git a/math/mp-nthrt.c b/math/mp-nthrt.c
index a46590a..77e6ebb 100644 (file)
--- a/math/mp-nthrt.c
+++ b/math/mp-nthrt.c
@@ -95,7 +95,7 @@ mp *mp_nthrt(mp *d, mp *a, mp *n, int *exactp_out)
   assert(MP_POSP(n));
 
   /* Pick a starting point.  This is rather important to get right.  In
-   * particular, for large %$n$%, if we our initial guess too small, then the
+   * particular, for large %$n$%, if our initial guess is too small, then the
    * next iteration is a wild overestimate and it takes a long time to
    * converge back.
    */
@@ -180,10 +180,9 @@ int mp_perfect_power_p(mp **x, mp **n, mp *a)
     t = mp_nthrt(t, a, p, &exactp);
     if (MP_EQ(t, MP_ONE))
       break;
-    else if (!exactp) {
-      if (MP_EQ(t, MP_ONE)) break;
+    else if (!exactp)
       p = primeiter_next(&pi, p);
-    } else {
+    else {
       r = mp_mul(r, r, p);
       MP_DROP(a); a = t; t = MP_NEW;
       rc = 1;