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On Mon, 22 Jun 2015, Bill Long wrote: > Date: Mon, 22 Jun 2015 03:28:11 +0000 > From: Bill Long <[log in to unmask]> > Reply-To: Fortran 90 List <[log in to unmask]> > To: [log in to unmask] > Subject: Re: who can help? > > In a discussion of helpful diagnostics, it would be remiss to not > mention the NAG compiler. It has an excellent reputation as a tool for > identifying program errors. True. I didn't mention NAG because so few people here use Fortran that the people in charge of money for computing stopped paying for it a few years ago. But when I could use it, it was good. I still treasure the reply I got in 2003 when I was beta-testing a new NAG f95 version and sent them a program that was treated very differently on Sun and Compaq machines: "What an interesting set of problems for a Monday morning!" > On Jun 21, 2015, at 6:01 PM, John Harper <[log in to unmask]> wrote: > >> ... But remember that compilers are allowed to choose different >> options in some circumstances, e.g. when you use format * for output. > > There are several such processor dependencies. They are listed in > Annex A of the standard. Thank you for the reference. I did know there are other cases; that's why I said "e.g." not "i.e." -- John Harper, School of Mathematics Statistics and Operations Research Victoria University, PO Box 600, Wellington 6140, New Zealand e-mail [log in to unmask] phone (+64)(4)463 5276 fax (+64)(4)463 5045