Re: [Rd] gfortran optimization problems

2008-11-13 Thread Dave Roberts
, MT 59717-3460 William Dunlap wrote: -Original Message- From: William Dunlap Sent: Monday, November 03, 2008 8:34 AM To: 'Mike Prager'; '[EMAIL PROTECTED]' Subject: RE: [Rd] gfortran optimization problems ... Another common problem, in C or Fortran, is that optimization can result

Re: [Rd] gfortran optimization problems

2008-11-03 Thread Mike Prager
Dave Roberts [EMAIL PROTECTED] wrote: I have a routine in package labdsv that calls a FORTRAN subroutine. Recently, I was informed that it sometimes gives different results on a PC and Mac, and that the PC version is clearly wrong. I tested it on linux (because I don't have a PC), and I

Re: [Rd] gfortran optimization problems

2008-10-25 Thread Simone Giannerini
Dave, yes, we have experienced different results in different platforms, the problem was partly due to the different versions of gfortran installed across platforms, are you using the same version for all the platforms? Clearly, gfortran is undergoing rapid changes so that the results might vary

[Rd] gfortran optimization problems

2008-10-24 Thread Dave Roberts
Colleagues, I have a routine in package labdsv that calls a FORTRAN subroutine. Recently, I was informed that it sometimes gives different results on a PC and Mac, and that the PC version is clearly wrong. I tested it on linux (because I don't have a PC), and I get the same (incorrect)

Re: [Rd] gfortran optimization problems

2008-10-24 Thread Duncan Murdoch
On 24/10/2008 6:53 PM, Dave Roberts wrote: Colleagues, I have a routine in package labdsv that calls a FORTRAN subroutine. Recently, I was informed that it sometimes gives different results on a PC and Mac, and that the PC version is clearly wrong. I tested it on linux (because I don't have