! { dg-do compile } ! { dg-options "-fdec" } ! ! Test case contributed by Mark Eggleston ! ! Hollerith constants and character literals are allowed in comparisons, ! check that character variables can not be compared with numeric variables. program convert character(4) :: a = 4hJMAC integer(4) :: b = "JMAC" real(4) :: c = "JMAC" complex(4) :: d = "JMACJMAC" ! integers if (a.ne.b) stop 1 ! { dg-error "Operands of comparison" } if (b.eq.a) stop 2 ! { dg-error "Operands of comparison" } if (a.ge.b) stop 3 ! { dg-error "Operands of comparison" } if (b.ge.a) stop 4 ! { dg-error "Operands of comparison" } if (a.gt.b) stop 5 ! { dg-error "Operands of comparison" } if (b.gt.a) stop 6 ! { dg-error "Operands of comparison" } if (a.le.b) stop 3 ! { dg-error "Operands of comparison" } if (b.le.a) stop 4 ! { dg-error "Operands of comparison" } if (a.lt.b) stop 5 ! { dg-error "Operands of comparison" } if (b.lt.a) stop 6 ! { dg-error "Operands of comparison" } ! reals if (a.ne.c) stop 7 ! { dg-error "Operands of comparison" } if (c.eq.a) stop 8 ! { dg-error "Operands of comparison" } if (a.ge.c) stop 9 ! { dg-error "Operands of comparison" } if (c.ge.a) stop 10 ! { dg-error "Operands of comparison" } if (a.gt.c) stop 11 ! { dg-error "Operands of comparison" } if (c.gt.a) stop 12 ! { dg-error "Operands of comparison" } if (a.le.c) stop 13 ! { dg-error "Operands of comparison" } if (c.le.a) stop 14 ! { dg-error "Operands of comparison" } if (a.lt.c) stop 15 ! { dg-error "Operands of comparison" } if (c.lt.a) stop 16 ! { dg-error "Operands of comparison" } ! complexes a = "JMACJMAC" if (a.ne.d) stop 17 ! { dg-error "Operands of comparison" } if (d.eq.a) stop 18 ! { dg-error "Operands of comparison" } end program