D15092: Implement proper equinox and solstice calculation algorithm

[Daniel Vrátil]

dvratil created this revision.
dvratil added a reviewer: winterz.
Herald added a project: KDE PIM.
Herald added a subscriber: kde-pim.
dvratil requested review of this revision.

REVISION SUMMARY
  Use algorithm described in Jean Meeus' Astronomical Algorithms book
  to calculate exact date on which a season occurs in given year.
  
  BUG:396750
  FIXED-IN:5.50

REPOSITORY
  R175 PIM: KHolidays

BRANCH
  seasons-meeus

REVISION DETAIL
  https://phabricator.kde.org/D15092

AFFECTED FILES
  autotests/testseasons.cpp
  autotests/testseasons.h
  src/astroseasons.cpp
  src/astroseasons.h

To: dvratil, winterz
Cc: kde-pim, dvasin, rodsevich, winterz, vkrause, mlaurent, knauss, dvratil
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