#14 gint lpi -> gdouble lpi

[Anonymous]

The type of `lpi' and `cpi' should be gdouble instead of gint.
Few integer literals should be double literals (e.g. 0 -> 0.0 and 1 -> 1.0).
Also few 0.0L literals should be 0.0.
libpaps.c:663 casts pointer to integer (assumes 32 bit integers).