All PCN Software is provided under the following disclaimer:

NO WARRANTY.  The software was created in the course of a research
endeavor. It is not a commercial package.  The present version is
still in development, and is distributed "AS IS, WITH ALL DEFECTS."
By using the software, each user agrees to assume all responsibility
for any and all such use.  The authors, California Institute of
Technology, and Argonne National Laboratory are not aware that the
software or the use thereof infringe any proprietary right belonging
to a third party.  However, NO WARRANTY, CONDITION, OR REPRESENTATION
OF ANY KIND, EXPRESS OR IMPLIED, is made about the software, including
without limitation any warranty of title, noninfringement,
merchantability, or fitness for a particular purpose, by the authors
or their affiliated institutions.

NO CONSEQUENTIAL DAMAGES.  Independent of the foregoing disclaimer
of warranties, each person that uses the software thereby agrees, that
NEITHER CALIFORNIA INSTITUTE OF TECHNOLOGY, ARGONNE NATIONAL
LABORATORY, NOR THE AUTHORS OR THEIR AFFILIATED INSTITUTIONS SHALL BE
LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH
THE USE OF THE SOFTWARE, INCLUDING WITHOUT LIMITATION LOST PROFITS OR
INJURY TO BUSINESS, WHETHER OR NOT CALIFORNIA INSTITUTE OF TECHNOLOGY,
ARGONNE NATIONAL LABORATORY, AND THE AUTHORS AND THEIR AFFILIATED
INSTITUTIONS KNOW OR HAVE REASON TO KNOW OF THE POSSIBILITY OF SUCH
DAMAGES.

INDEMNITY.  Each person that uses the software thereby agrees, to
indemnify and defend California Institute of Technology, Argonne
National Laboratory and the authors and their affiliated institutions,
or any of them, against any loss, expense, claim, damage, or liability
of any kind arising from or connected with their respective uses of
the software, and to hold them or any of them harmless from any of the
same, WHETHER OR NOT ARISING IN WHOLE OR IN PART FROM THE NEGLIGENCE
OR GROSS NEGLIGENCE OF CALIFORNIA INSTITUTE OF TECHNOLOGY, ARGONNE
NATIONAL LABORATORY OR ANY OF THE AUTHORS OR THEIR AFFILIATED
INSTITUTIONS.

SUPPORT. Each person that uses this software understands that the software
is not supported by the authors or by their affiliated institutions.