diff options
Diffstat (limited to 'ev.pod')
| -rw-r--r-- | ev.pod | 10 |
1 files changed, 5 insertions, 5 deletions
@@ -4639,11 +4639,11 @@ watchers. =item C<double> must hold a time value in seconds with enough accuracy The type C<double> is used to represent timestamps. It is required to -have at least 51 bits of mantissa (and 9 bits of exponent), which is good -enough for at least into the year 4000. This requirement is fulfilled by -implementations implementing IEEE 754, which is basically all existing -ones. With IEEE 754 doubles, you get microsecond accuracy until at least -2200. +have at least 51 bits of mantissa (and 9 bits of exponent), which is +good enough for at least into the year 4000 with millisecond accuracy +(the design goal for libev). This requirement is overfulfilled by +implementations using IEEE 754, which is basically all existing ones. With +IEEE 754 doubles, you get microsecond accuracy until at least 2200. =back |