diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/tset_ld.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/tests/tset_ld.c b/tests/tset_ld.c index 7b349a297..ebe6d04f9 100644 --- a/tests/tset_ld.c +++ b/tests/tset_ld.c @@ -549,7 +549,7 @@ main (int argc, char *argv[]) check_set_get (d); check_set_get (-d); - /* check that 2^i, 2^i+1 and 2^i-1 are correctly converted */ + /* check that 2^i, 2^i+1, 2^i-1 and 2^i-2^(i-2)-1 are correctly converted */ d = 1.0; for (i = 1; i < MPFR_LDBL_MANT_DIG + 8; i++) { @@ -573,6 +573,14 @@ main (int argc, char *argv[]) e = mpfr_get_ld (x, MPFR_RNDN); check_set_get (e); } + if (i < 3) + continue; + /* The following test triggers a failure in r10844 for i = 56, + with gcc -mpc64 on x86 (64-bit ABI). */ + mpfr_set_ui_2exp (x, 3, i-2, MPFR_RNDN); + mpfr_sub_ui (x, x, 1, MPFR_RNDN); + e = mpfr_get_ld (x, MPFR_RNDN); + check_set_get (e); } for (i = 0; i < 10000; i++) |