gfortran precision

Jerry DeLisle jvdelisle@verizon.net
Sun Aug 8 23:56:00 GMT 2004


On Sun, 2004-08-08 at 16:40, Paul Brook wrote:
> On Monday 09 August 2004 00:34, Jerry DeLisle wrote:
> > What is the highest floating point precision supported by gfortran on a
> > IA-32 architecture (ie P4)?  Is it possible to get to KIND=16?
> 
> gfortran currently only supports IEEE single (4-byte) and double (8-byte) 
> floating point formats.
> 
> Note that the P4 doesn't support quad precision in hardware. It does support 
> an 80-bit "extended" format, which is then padded to 12 or 16 bytes.
> 
> Paul
Are there plans to support quad precision or the 80-bit extended
format?  I am assisting some coworkers in getting setup to use gfortran
and one has a specific application that needs the higher precision. 

Jerry



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