fix, PEBKAC, actually step through solar states

Signed-off-by: Sebastian Freundt <hroptatyr@fresse.org>
fix, PEBKAC, stick to celestial day number definition

Signed-off-by: Sebastian Freundt <freundt@fresse.org>
fix, PEBKAC, do signed integer division on signed integers

Signed-off-by: Sebastian Freundt <freundt@fresse.org>
Merge branch 'dso/solar' into next

* dso/solar:
  fix, PEBKAC, do signed integer division on signed integers
  fix, PEBKAC, stick to celestial day number definition
  fix, PEBKAC, actually step through solar states