libmpdec the _decimal module is built using an included copy of the libmpdec library unless the build is configured --with-system-libmpdeccopyright ( - stefan krah all rights reserved redistribution and use in source and binary formswith or without modificationare permitted provided that the following conditions are met redistributions of source code must retain the above copyright noticethis list of conditions and the following disclaimer redistributions in binary form must reproduce the above copyright noticethis list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution this software is provided by the author and contributors "as isand any express or implied warrantiesincludingbut not limited tothe implied warranties of merchantability and fitness for particular purpose are disclaimed in no event shall the author or contributors be liable for any directindirectincidentalspecialexemplaryor consequential damages (includingbut not limited toprocurement of substitute goods or servicesloss of usedataor profitsor business interruptionhowever caused and on any theory of liabilitywhether in contractstrict liabilityor tort (including negligence or otherwisearising in any way out of the use of this softwareeven if advised of the possibility of such damage appendix history and license