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Marius Vollmer 2001-06-18 18:31:14 +00:00
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2001-06-18 Matthias Koeppe <mkoeppe@mail.math.uni-magdeburg.de>
The SRFI-19 implementation was completely broken. Already the
reference implementation did not handle DST and time zones
properly and relied on non-R5RS-isms like passing reals to
`quotient'. For Guile, some additional fixes were needed because
of the incomplete numeric tower implementation. See also
srfi-19.test.
* srfi-19.scm (date-zone-offset): Fixed typo in export clause.
(add-duration): Renamed from priv:add-duration.
(priv:time-normalize!): Handle fractional nanoseconds; remove
duplicate definition.
(priv:current-time-tai): Fixed typo.
(time=?, time<=?): Fixed typos.
(time-tai->time-utc, time-utc->time-tai,
time-utc->time-monotonic): Use make-time-unnormalized instead of
make-time when uninitialized time fields are used.
(set-date-nanosecond!, set-date-second!, set-date-minute!,
set-date-hour!, set-date-day!, set-date-month!, set-date-year!,
set-date-zone-offset!): Define.
(priv:local-tz-offset): Take an extra argument in order to handle
DST effects.
(time-utc->date, time-tai->date, time-monotonic->date): Handle the
changed signature of priv:local-tz-offset. Don't pass non-integer
arguments to quotient (non-R5RS, not supported by Guile).
(date->time-utc): Ensure that seconds in a date structure are
always exact integers. Handle DST properly.
(current-date, julian-day->date, modified-julian-day->date):
Handle the changed signature of priv:local-tz-offset.
(julian-day->time-utc): Reverted earlier inexact->exact hack;
make-time now handles inexact arguments.
(priv:locale-print-time-zone): At least print the numerical time
zone.
(priv:integer-reader): Fixed named let iteration.
(priv:read-directives): Use set-date-month! instead of
priv:set-date-month! etc.
(string->date): Handle DST properly.
2001-06-14 Marius Vollmer <mvo@zagadka.ping.de>
* srfi-13.scm: Prevent `export' from re-exporting core bindings.