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| author | Mattias Andrée <maandree@operamail.com> | 2014-04-13 21:48:51 +0200 |
|---|---|---|
| committer | Mattias Andrée <maandree@operamail.com> | 2014-04-13 21:48:51 +0200 |
| commit | f20bd1cfa63345153f93d1ae1adc498112b06ace (patch) | |
| tree | c31607ce5ebfdea20d4843617c440ebaa2db53a1 /src | |
| parent | whitespace (diff) | |
| download | blueshift-f20bd1cfa63345153f93d1ae1adc498112b06ace.tar.gz blueshift-f20bd1cfa63345153f93d1ae1adc498112b06ace.tar.bz2 blueshift-f20bd1cfa63345153f93d1ae1adc498112b06ace.tar.xz | |
add note for cannibalisers and time travelers
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/solar.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/solar.py b/src/solar.py index 24370c1..218a38a 100644 --- a/src/solar.py +++ b/src/solar.py @@ -204,6 +204,13 @@ def sun_geometric_mean_longitude(t): @return :float The Sun's geometric mean longitude in radians ''' return radians((0.0003032 * t ** 2 + 36000.76983 * t + 280.46646) % 360) + # CANNIBALISERS and TIME TRAVELERS: + # The result of this function should always be positive, this + # means that after division modulo 360 but before `radians`, + # you will need to add 360 if the value is negative. This can + # only happen if `t` is negative, which can only happen for + # date times before 2000-(01)Jan-01 12:00:00 par division modulo + # implementations with the signess of atleast the left operand. def sun_geometric_mean_anomaly(t): |