Add some comments.

1 files changed, 2 insertions, 0 deletions

diff --git a/mpz/powm.c b/mpz/powm.c
index 8a3cd416f..29b0132c4 100644
--- a/mpz/powm.c
+++ b/mpz/powm.c
@@ -168,6 +168,7 @@ pow (mpz_srcptr b, mpz_srcptr e, mpz_srcptr m, mpz_ptr r)
 
   if (ncnt != 0)
     {
+      /* We will call both mpn_powm and mpn_powlo.  */
       /* rp needs n, mpn_powlo needs 4n, the 2 mpn_binvert might need more */
       mp_size_t n_largest_binvert = MAX (ncnt, nodd);
       mp_size_t itch_binvert = mpn_binvert_itch (n_largest_binvert);
@@ -175,6 +176,7 @@ pow (mpz_srcptr b, mpz_srcptr e, mpz_srcptr m, mpz_ptr r)
     }
   else
     {
+      /* We will call just mpn_powm.  */
       mp_size_t itch_binvert = mpn_binvert_itch (nodd);
       itch = n + MAX (itch_binvert, 2 * n);
     }