diff options
Diffstat (limited to 'mpz/nextprime.c')
| -rw-r--r-- | mpz/nextprime.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/mpz/nextprime.c b/mpz/nextprime.c index ad41f18d1..0a413fc98 100644 --- a/mpz/nextprime.c +++ b/mpz/nextprime.c @@ -145,8 +145,8 @@ findnext (mpz_ptr p, MPN_SIZEINBASE_2EXP(nbits, PTR(p), pn, 1); /* Smaller numbers handled earlier */ ASSERT (nbits >= 3); - /* p odd */ - ASSERT ((PTR(p)[0] & 1) == 1); + /* Make p odd */ + PTR(p)[0] |= 1; if (nbits / 2 <= NUMBER_OF_PRIMES) { @@ -264,7 +264,6 @@ mpz_nextprime (mpz_ptr p, mpz_srcptr n) /* First odd greater than n */ mpz_add_ui (p, n, 1); - mpz_setbit (p, 0); findnext(p, mpz_cdiv_ui, mpz_add_ui); } @@ -285,8 +284,7 @@ mpz_prevprime (mpz_ptr p, mpz_srcptr n) /* First odd less than n */ mpz_sub_ui (p, n, 2); - mpz_setbit (p, 0); - return findnext(p, mpz_fdiv_ui, mpz_sub_ui); + return findnext(p, mpz_tdiv_ui, mpz_sub_ui); } |