Function: floor
Section: conversions
C-Name: gfloor
Prototype: G
Help: floor(x): floor of x = largest integer<=x
Description:
 (small):small:parens   $1
 (int):int:copy:parens  $1
 (real):int             floorr($1)
 (mp):int               mpfloor($1)
 (gen):gen              gfloor($1)

