Duncan Murdoch wrote:
On Thu, 10 Jun 2004 09:12:05 -0700 (PDT), Thomas Lumley <[EMAIL PROTECTED]> wrote :
DLL attempted to change FPU control word from 9001f to 90003
I read the instruction on Duncan Murdoch’s website about preserving
registers, but I still don’t understand it. For example,
This code is for Delphi. You would need to see how to set the FPU control work in Powerstation Fortran, which should be described in its manual.
The warning is harmless, so you could just ignore it. The warning means
that R has done the change for you.
I think it's better to try to fix it. R only checks once (on loading); if Fortran makes the change again, then R code might go wrong later, and if Fortran depends on the original value, then the Fortran code might not work properly.
Duncan Murdoch
Hi,
yes, I have seen this happen when loadíng the precompiled yacas dll into R (package to be released). I have not
bothered to dig deeper and I have no idea of how to get and set the FPU control word in the wrapper. Is there
a compiler macro or does it have to be done with assembler?
David
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