[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Anyone working on 64-bit octave

From: Tatsuro MATSUOKA
Subject: Re: Anyone working on 64-bit octave
Date: Fri, 17 Feb 2012 15:47:18 +0900 (JST)


For current state, please see



--- On Fri, 2012/2/17, Thomas D. Dean  wrote:

> Is anyone working on making octave use the full precision of 64-bit machines?
> Currently, compiling octave on a x86_64 produces a 64-bit executable. But, 
> because of the definition of double, this gives no precision gain for 
> floating point over 32-bit machines.
> With gfortran, I can use -fdefault-real-8 and -fdefault-integer-8 and create 
> an application which uses more of the machine's precision.
> I read gcc docs but cannot find a similar command line option for gcc46.  
> Maybe the third time my eyes crossed, I missed something?
> The only way is to change 'int' to 'long int' and 'double' to 'long double' 
> in the source code, a lot of work.
> Has anyone started on this?
> Tom Dean
> _______________________________________________
> Help-octave mailing list
> address@hidden

reply via email to

[Prev in Thread] Current Thread [Next in Thread]