Function: _\/=_
Section: symbolic_operators
C-Name: gdivrounde
Prototype: &G
Help: x\/=y: shortcut for x=x\/y.
Description:
 (*int, int):int:parens                         $1 = gdivround($1, $2)
 (*pol, gen):gen:parens                         $1 = gdivround($1, $2)
 (*gen, gen):gen:parens                         $1 = gdivround($1, $2)
