[Spice_discussion] Porting SPICE Fortran program from Mac PowerPC
to Mac Intel
William Thompson
William.T.Thompson at nasa.gov
Tue Nov 25 08:30:07 PST 2008
Folks:
I've been running the attached SPICE Fortran program for some years now without
problem on a Mac OSX PowerPC platform. I recently tried to port it to the Mac
Intel platform. It seemed to compile and run okay, but when I examined the
values, I found that it gave a completely different answer from that on older
PowerPC platform. Can anybody suggest why that should be?
The program was compiled with
ifort -C -o cksmooth -assume byterecl cksmooth.f \
/service/stereo3/stereo/software/spice_fortran/i386/lib/support.a \
/service/stereo3/stereo/software/spice_fortran/i386/lib/spicelib.a
The "-assume byterecl" was based on an examination of the compilation program
for the source library. However, I also tried it with this keyword off, and it
didn't seem to make a difference.
I also tried "-real-size 32 -double-size 64", but that didn't seem to help either.
Thanks for any help you can give me,
Bill Thompson
--
William Thompson
NASA Goddard Space Flight Center
Code 671
Greenbelt, MD 20771
USA
301-286-2040
William.T.Thompson at nasa.gov
(Note changed email address)
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