diff options
Diffstat (limited to 'const_log2.c')
| -rw-r--r-- | const_log2.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/const_log2.c b/const_log2.c index e5e6c6137..a6e4d7564 100644 --- a/const_log2.c +++ b/const_log2.c @@ -130,6 +130,7 @@ int mpz_t s, t, u; int inexact; + mpfr_save_emin_emax (); precx = MPFR_PREC(x); /* need to recompute */ @@ -153,7 +154,7 @@ int mpz_add (s, s, u); } - inexact = mpfr_set_z (x, s, rnd_mode); + inexact = mpfr_set_z (x, s, rnd_mode); /* Can overflow => save_emin */ MPFR_SET_EXP (x, MPFR_GET_EXP (x) - N); mpz_clear (s); mpz_clear (t); @@ -162,5 +163,7 @@ int else /* use binary splitting method */ inexact = mpfr_const_aux_log2 (x, rnd_mode); - return inexact; + mpfr_restore_emin_emax (); + + return mpfr_check_range (x, inexact, rnd_mode); } |