!! R713 rel-op
!   is .EQ.
!   or .NE.
!   or .LT.
!   or .LE.
!   or .GT.
!   or .GE.
!   or ==
!   or /=
!   or <
!   or <=
!   or >
!   or >=

a = 1 .EQ. 2
a = 1==2
a = 1.ne.2
a = 1 /= 2
a = 1.LT.2
a = 1 < 2
a = 1 .LE. 2
a = 1<=2
a = 1 .gt. 2
a = 1>2
a = 1.ge.2
a = 1 >= 2

end
