Use better routines from geometry library.
Use better routines from geometry library.

yuanzhao/gpdb,ahachete/gpdb,yazun/postgres-xl,edespino/gpdb,janebeckman/gpdb,greenplum-db/gpdb,ashwinstar/gpdb,Chibin/gpdb,Quikling/gpdb,randomtask1155/gpdb,randomtask1155/gpdb,50wu/gpdb,ashwinstar/gpdb,lintzc/gpdb,ahachete/gpdb,xinzweb/gpdb,50wu/gpdb,royc1/gpdb,xuegang/gpdb,lisakowen/gpdb,greenplum-db/gpdb,xinzweb/gpdb,cjcjameson/gpdb,zaksoup/gpdb,lintzc/gpdb,edespino/gpdb,rubikloud/gpdb,foyzur/gpdb,50wu/gpdb,randomtask1155/gpdb,CraigHarris/gpdb,atris/gpdb,50wu/gpdb,Chibin/gpdb,rvs/gpdb,CraigHarris/gpdb,yuanzhao/gpdb,rvs/gpdb,yuanzhao/gpdb,Quikling/gpdb,postmind-net/postgres-xl,jmcatamney/gpdb,postmind-net/postgres-xl,foyzur/gpdb,0x0FFF/gpdb,zeroae/postgres-xl,rubikloud/gpdb,kaknikhil/gpdb,Postgres-XL/Postgres-XL,rubikloud/gpdb,Chibin/gpdb,snaga/postgres-xl,snaga/postgres-xl,tpostgres-projects/tPostgres,0x0FFF/gpdb,ashwinstar/gpdb,oberstet/postgres-xl,jmcatamney/gpdb,cjcjameson/gpdb,ahachete/gpdb,xinzweb/gpdb,xinzweb/gpdb,royc1/gpdb,ahachete/gpdb,randomtask1155/gpdb,adam8157/gpdb,royc1/gpdb,arcivanov/postgres-xl,atris/gpdb,randomtask1155/gpdb,arcivanov/postgres-xl,CraigHarris/gpdb,lintzc/gpdb,lintzc/gpdb,lpetrov-pivotal/gpdb,lpetrov-pivotal/gpdb,foyzur/gpdb,xuegang/gpdb,atris/gpdb,xuegang/gpdb,lintzc/gpdb,jmcatamney/gpdb,Chibin/gpdb,lisakowen/gpdb,lintzc/gpdb,kmjungersen/PostgresXL,jmcatamney/gpdb,royc1/gpdb,ashwinstar/gpdb,chrishajas/gpdb,royc1/gpdb,tpostgres-projects/tPostgres,ovr/postgres-xl,chrishajas/gpdb,randomtask1155/gpdb,cjcjameson/gpdb,greenplum-db/gpdb,lpetrov-pivotal/gpdb,rvs/gpdb,ovr/postgres-xl,janebeckman/gpdb,rubikloud/gpdb,Quikling/gpdb,Chibin/gpdb,ahachete/gpdb,CraigHarris/gpdb,kaknikhil/gpdb,Chibin/gpdb,janebeckman/gpdb,rubikloud/gpdb,kaknikhil/gpdb,yazun/postgres-xl,atris/gpdb,rvs/gpdb,greenplum-db/gpdb,tangp3/gpdb,royc1/gpdb,0x0FFF/gpdb,zaksoup/gpdb,50wu/gpdb,zaksoup/gpdb,kmjungersen/PostgresXL,greenplum-db/gpdb,ovr/postgres-xl,lpetrov-pivotal/gpdb,0x0FFF/gpdb,greenplum-db/gpdb,rubikloud/gpdb,adam8157/gpdb,cjcjameson/gpdb,greenplum-db/gpdb,xinzweb/gpdb,zaksoup/gpdb,tpostgres-projects/tPostgres,ahachete/gpdb,yuanzhao/gpdb,edespino/gpdb,pavanvd/postgres-xl,arcivanov/postgres-xl,arcivanov/postgres-xl,snaga/postgres-xl,foyzur/gpdb,yuanzhao/gpdb,yuanzhao/gpdb,janebeckman/gpdb,kaknikhil/gpdb,rvs/gpdb,edespino/gpdb,janebeckman/gpdb,edespino/gpdb,kaknikhil/gpdb,rubikloud/gpdb,xuegang/gpdb,lintzc/gpdb,chrishajas/gpdb,ovr/postgres-xl,postmind-net/postgres-xl,ahachete/gpdb,kaknikhil/gpdb,0x0FFF/gpdb,janebeckman/gpdb,xinzweb/gpdb,tangp3/gpdb,Quikling/gpdb,CraigHarris/gpdb,lpetrov-pivotal/gpdb,kaknikhil/gpdb,lisakowen/gpdb,cjcjameson/gpdb,kmjungersen/PostgresXL,adam8157/gpdb,Postgres-XL/Postgres-XL,kaknikhil/gpdb,pavanvd/postgres-xl,zaksoup/gpdb,0x0FFF/gpdb,pavanvd/postgres-xl,tangp3/gpdb,chrishajas/gpdb,ahachete/gpdb,yuanzhao/gpdb,techdragon/Postgres-XL,edespino/gpdb,jmcatamney/gpdb,50wu/gpdb,randomtask1155/gpdb,foyzur/gpdb,lisakowen/gpdb,cjcjameson/gpdb,adam8157/gpdb,0x0FFF/gpdb,jmcatamney/gpdb,tangp3/gpdb,edespino/gpdb,CraigHarris/gpdb,xinzweb/gpdb,Chibin/gpdb,lintzc/gpdb,janebeckman/gpdb,janebeckman/gpdb,edespino/gpdb,ashwinstar/gpdb,tpostgres-projects/tPostgres,atris/gpdb,techdragon/Postgres-XL,Quikling/gpdb,snaga/postgres-xl,chrishajas/gpdb,oberstet/postgres-xl,xuegang/gpdb,yazun/postgres-xl,kmjungersen/PostgresXL,royc1/gpdb,techdragon/Postgres-XL,kmjungersen/PostgresXL,Quikling/gpdb,foyzur/gpdb,yuanzhao/gpdb,pavanvd/postgres-xl,rvs/gpdb,lpetrov-pivotal/gpdb,lisakowen/gpdb,atris/gpdb,lpetrov-pivotal/gpdb,janebeckman/gpdb,atris/gpdb,kaknikhil/gpdb,zeroae/postgres-xl,50wu/gpdb,jmcatamney/gpdb,lpetrov-pivotal/gpdb,rvs/gpdb,rvs/gpdb,cjcjameson/gpdb,xuegang/gpdb,janebeckman/gpdb,lisakowen/gpdb,jmcatamney/gpdb,chrishajas/gpdb,rvs/gpdb,royc1/gpdb,cjcjameson/gpdb,arcivanov/postgres-xl,adam8157/gpdb,oberstet/postgres-xl,tangp3/gpdb,edespino/gpdb,snaga/postgres-xl,tangp3/gpdb,postmind-net/postgres-xl,foyzur/gpdb,atris/gpdb,50wu/gpdb,pavanvd/postgres-xl,techdragon/Postgres-XL,rvs/gpdb,ovr/postgres-xl,zaksoup/gpdb,CraigHarris/gpdb,tpostgres-projects/tPostgres,greenplum-db/gpdb,zeroae/postgres-xl,zaksoup/gpdb,ashwinstar/gpdb,Quikling/gpdb,lisakowen/gpdb,xuegang/gpdb,edespino/gpdb,postmind-net/postgres-xl,ashwinstar/gpdb,0x0FFF/gpdb,randomtask1155/gpdb,lisakowen/gpdb,chrishajas/gpdb,zeroae/postgres-xl,Postgres-XL/Postgres-XL,oberstet/postgres-xl,kaknikhil/gpdb,xuegang/gpdb,arcivanov/postgres-xl,chrishajas/gpdb,Postgres-XL/Postgres-XL,Quikling/gpdb,adam8157/gpdb,cjcjameson/gpdb,xuegang/gpdb,yuanzhao/gpdb,lintzc/gpdb,CraigHarris/gpdb,CraigHarris/gpdb,adam8157/gpdb,tangp3/gpdb,Quikling/gpdb,techdragon/Postgres-XL,Postgres-XL/Postgres-XL,ashwinstar/gpdb,foyzur/gpdb,oberstet/postgres-xl,Chibin/gpdb,yazun/postgres-xl,Chibin/gpdb,rubikloud/gpdb,yuanzhao/gpdb,adam8157/gpdb,zeroae/postgres-xl,yazun/postgres-xl,cjcjameson/gpdb,tangp3/gpdb,Chibin/gpdb,Quikling/gpdb,xinzweb/gpdb,zaksoup/gpdb