RE: plans for single-precision support?

[Tatsuro MATSUOKA]

Hello

It seems that octave-3.2.3/MinGW32 supports the 'single' function.


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warning: mark_as_command is obsolete and will be removed from a future version 
of Octave
octave-3.2.3.exe:1:C:\Programs\Octave\3.2.3_gcc4.4.0\bin
> help single
`single' is a built-in function

 -- Built-in Function:  single (X)
     Convert X to single precision type.

     See also: double



Additional help for built-in functions and operators is
available in the on-line version of the manual.  Use the command
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octave-3.2.3.exe:11:C:\Programs\Octave\3.2.3_gcc4.4.0\bin
> x=0.1
x =  0.100000000000000
octave-3.2.3.exe:12:C:\Programs\Octave\3.2.3_gcc4.4.0\bin
> y=single(x)
y =  0.100000001490116
octave-3.2.3.exe:13:C:\Programs\Octave\3.2.3_gcc4.4.0\bin
> whos
Variables in the current scope:

  Attr Name        Size                     Bytes  Class
  ==== ====        ====                     =====  =====
       x           1x1                          8  double
       y           1x1                          4  single

Total is 2 elements using 12 bytes

**********************************************************************

If you want to install octave-3.2.4/mingw32, please read carefully the below,
(The oct2mat issue should be treated in case installing the whole octave-forge 
package.)

http://wiki.octave.org/wiki.pl?OctaveForWindows

Regards

Tatsuro

--- Tim Rueth wrote:

> Oh, I'm still running 3.2.3 (Vista).  I should upgrade to 3.2.4 then.  I'm
> running into memory problems, and I'm hoping that if I change some of my
> matrices from double to single I can cut the memory requirements way down.
> 
> --Tim
>  
> 
> > -----Original Message-----
> > From: Martin Helm [mailto:address@hidden 
> > Sent: Tuesday, August 31, 2010 3:20 PM
> > To: address@hidden; address@hidden
> > Subject: Re: plans for single-precision support?
> > 
> > Am Dienstag, 31. August 2010, 23:26:47 schrieb Tim Rueth:
> > > Does anyone know when single-precision data types, i.e., single(), 
> > > will be supported?
> > > 
> > > --Tim
> > 
> > Maybe I do not understand your question, single() is 
> > available in octave 3.2.4.
> > 
> 
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