diff options
Diffstat (limited to 'mpz/stronglucas.c')
| -rw-r--r-- | mpz/stronglucas.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mpz/stronglucas.c b/mpz/stronglucas.c index e9a71370e..cf9e7ff40 100644 --- a/mpz/stronglucas.c +++ b/mpz/stronglucas.c @@ -5,7 +5,7 @@ CERTAIN TO BE SUBJECT TO INCOMPATIBLE CHANGES OR DISAPPEAR COMPLETELY IN FUTURE GNU MP RELEASES. -Copyright 2018 Free Software Foundation, Inc. +Copyright 2018, 2020 Free Software Foundation, Inc. Contributed by Marco Bodrato. @@ -52,7 +52,7 @@ limb_apprsqrt (mp_limb_t x) ASSERT (x > 2); count_leading_zeros (s, x); s = (GMP_LIMB_BITS - s) >> 1; - return ((CNST_LIMB(1) << s) + (x >> s)) >> 1; + return ((CNST_LIMB(1) << (s - 1)) + (x >> 1 >> s)); } static int |