diff options
Diffstat (limited to 'gpsdclient.c')
| -rw-r--r-- | gpsdclient.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gpsdclient.c b/gpsdclient.c index 880206ef..8ca605d4 100644 --- a/gpsdclient.c +++ b/gpsdclient.c @@ -35,6 +35,10 @@ static struct exportmethod_t exportmethods[] = { * deg_ddmm : return DD MM.mmmmmm' * deg_ddmmss : return DD MM' SS.sssss" * + * returns 'nan' for 0 > f or 360 < f + * + * NOTE: degrees must be positive. + * * for cm level accuracy we need degrees to 7+ decimal places * Ref: https://en.wikipedia.org/wiki/Decimal_degrees * |