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Fix strtod rounding of half the least subnormal (bug 16151).

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This commit is contained in:
Joseph Myers
2013-11-13 12:59:54 +00:00
parent 7a2ad8cf39
commit 9310c284ae
5 changed files with 308 additions and 2 deletions
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2
stdlib/strtod_l.c
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@ -228,7 +228,7 @@ round_and_return (mp_limb_t *retval, intmax_t exponent, int negative,
round_limb = retval[RETURN_LIMB_SIZE - 1];
round_bit = (MANT_DIG - 1) % BITS_PER_MP_LIMB;
for (i = 0; i < RETURN_LIMB_SIZE; ++i)
for (i = 0; i < RETURN_LIMB_SIZE - 1; ++i)
more_bits |= retval[i] != 0;
MPN_ZERO (retval, RETURN_LIMB_SIZE);
}