------- Comment #3 from burnus at gcc dot gnu dot org 2007-12-20 07:57 ------- FX wrote:
> > http://gcc.gnu.org/onlinedocs/gfortran/Implicitly-convert-LOGICAL-and... > I think this is only true for assignments, ie you can assign a logical > value to an integer lhs and the other way around. The doc needs fixing. And Steve Lionel of Intel wrote: > Although the Intel compiler allows this (it is an extension dating > back at least to VAX FORTRAN V1 in 1978 if not earlier), this is a > VERY bad idea. The value of .TRUE. could be anything when converted > to integer, and different compilers use different values. I know you > were just trying things, but please don't write code like this for > real. I would not encourage gfortran to pick up this extension - I'm > lobbying to have it give a warning by default in ifort. If gfortran > wants to pick it up, please make it off by default. I agree that we should change only the documentation. gfortran supports - as FX wrote: logical l integer i i = .true. l = 1 end It prints by default a warning and rejects it with -std=f*. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34532
