浮点数计算
..........\Gppw.gpj
..........\Gppw.gps
..........\Project.inf
..........\ProjectDB.mdb
..........\Resource
..........\........\Others
..........\........\......\COMMENT.wcd
..........\........\param.wpa
..........\........\POU
..........\........\...\Body
..........\........\...\....\MAIN.wpg