Craig A. Berry wrote:
At 4:13 PM -0600 5/27/05, Doug Woronuk wrote:
Assuming this all works, I'll want to rebuild it again with G_Float
format instead of IEEE. Is that also just a parameter to the
configure.com script?
Yes, I think it's covered in perlvms.pod or README.vms, but IIRC, the
configure line should be something like:
$ @configure -"Uuseieee" -"Duser_c_flags=/FLOAT=G_FLOAT"
to disable IEEE and add G_FLOAT as an explicit compiler flag. On
Alpha you could skip the second part as G_FLOAT is the default, but
on Itanium I think IEEE is the default, and on VAX, D_FLOAT is the default.
I am told by many folks that there is a very significant performance
penalty for using anything other than IEEE float on I64.
I would recommend avoiding G_FLOAT on I64 if you can.
-John
[EMAIL PROTECTED]
Personal Opinion Only
