On 3/4/2012 6:58 PM, Jon Elson wrote: > Kenneth Lerman wrote: >> Answering my own question, I found the source on sourceforge. >> >> Now, if I had an IBM 360, with an operating system, assembler and >> fortran compiler, I could build it. >> >> > GAG! No, you really DON'T want the 360, even by emulation. You don't > need a 360 to run FORTRAN, I developed a LOT of FORTRAN code > decades ago on PDP-11 and VAX computers. There are for-pay FORTRAN > compilers available for Linux, I'm not sure the GNU compiler is really > standard. There is also f2c that converts FORTRAN source to the > c language. > > What do you need the assembler for? Is part of the package in 360 > assembly language? I, too, wrote a lot of FORTRAN (in the 60's). CDC 3200, CDC 6400, and some 360.
This has lots of assembly code -- solution of polynomial equations for example. Ken > > I worked on one project that simulated stellar astrophysics and was written > for the VAX. Some guys at a different university were trying to run it > on a 370, and getting garbage. The 360/370 series used a really awkward > floating point scheme where the exponent could only represent the > binary radix in 4-bit steps. This lost enough precision that the program > wouldn't work. Of course, they were representing things in nuclear-sized > units over the size of a whole star, which the VAX format with an exponent > range of +/- 300 decimal places could handle, the 360 thought anything > below about 10 ^ -30 was effectively zero. > > But, I suspect that sort of hardware detail would not come into play > in APT360 code, so it ought to cross-compile without great attention, > except OS-specific details like file name conventions, FORTRAN I/O > units (file numbers) and, of course, if there is assembler code. > Have to watch out about little/big endian issues, too. > > Jon > > ------------------------------------------------------------------------------ > Virtualization& Cloud Management Using Capacity Planning > Cloud computing makes use of virtualization - but cloud computing > also focuses on allowing computing to be delivered as a service. > http://www.accelacomm.com/jaw/sfnl/114/51521223/ > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Try before you buy = See our experts in action! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-dev2 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
