NAME

GIS::Distance::Null - For planets with no surface.

DESCRIPTION

Always returns 0.

A faster (XS) version of this formula is available as GIS::Distance::Fast::Null.

Normally this module is not used directly. Instead GIS::Distance is used which in turn interfaces with the various formula classes.

FORMULA

    d = 0

SEE ALSO

SUPPORT

See "SUPPORT" in GIS::Distance.

AUTHORS

See "AUTHORS" in GIS::Distance.

COPYRIGHT AND LICENSE

See "COPYRIGHT AND LICENSE" in GIS::Distance.