diff options
| author | vlefevre <vlefevre@280ebfd0-de03-0410-8827-d642c229c3f4> | 2015-06-26 07:57:49 +0000 |
|---|---|---|
| committer | vlefevre <vlefevre@280ebfd0-de03-0410-8827-d642c229c3f4> | 2015-06-26 07:57:49 +0000 |
| commit | c7ee886fc097d43d94c6fd95bc202ef1e1e569d6 (patch) | |
| tree | d52dd4f5bc7972313efcd9cb8870a187968c5485 /src/mul_2si.c | |
| parent | 0933df3719141a37c83a059be4608f363c8d7d74 (diff) | |
| download | mpfr-c7ee886fc097d43d94c6fd95bc202ef1e1e569d6.tar.gz | |
[src/mul_2si.c] Fixed overflow case when n = 0.
[tests/tmul_2exp.c] In the overflow test, check mpfr_mul_2ui and
mpfr_mul_2si too (mpfr_mul_2ui was OK).
git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@9597 280ebfd0-de03-0410-8827-d642c229c3f4
Diffstat (limited to 'src/mul_2si.c')
| -rw-r--r-- | src/mul_2si.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mul_2si.c b/src/mul_2si.c index b9293e2a1..0b02e2940 100644 --- a/src/mul_2si.c +++ b/src/mul_2si.c @@ -39,7 +39,7 @@ mpfr_mul_2si (mpfr_ptr y, mpfr_srcptr x, long int n, mpfr_rnd_t rnd_mode) { mpfr_exp_t exp = MPFR_GET_EXP (x); MPFR_SETRAW (inexact, y, x, exp, rnd_mode); - if (MPFR_UNLIKELY( n > 0 && (__gmpfr_emax < MPFR_EMIN_MIN + n || + if (MPFR_UNLIKELY(n >= 0 && (__gmpfr_emax < MPFR_EMIN_MIN + n || exp > __gmpfr_emax - n))) return mpfr_overflow (y, rnd_mode, MPFR_SIGN(y)); else if (MPFR_UNLIKELY(n < 0 && (__gmpfr_emin > MPFR_EMAX_MAX + n || |