------- Comment #2 from kargl at gcc dot gnu dot org 2009-10-26 22:39 -------
> My conclusion is that there is a problem when the
> NAN is passed from the C to the fortran.
That's not my conclusion. :)
> double C2F(returnanan)(void)
> {
(snip)
>
> PROGRAM test
> DATA ONE/1.0D0/
> DOUBLE PRECISION X
> X = returnanan()
Add 'IMPLICIT NONE' to your code. The Fortran code is
expecting has implicitly typed returnanan() as REAL.
Your C code has declared returnanan() to return a double.
C's double is not the same thing as Fortran's REAL.
--
steve
--
kargl at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |INVALID
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41831
