Date: Sat, 4 Feb 1995 17:49:06 -0500 (EST)
From: Long Doan <ldoan1 AT osf1 DOT gmu DOT edu>
To: Andy Adams <gnewman AT world DOT std DOT com>
Cc: djgpp AT sun DOT soe DOT clarkson DOT edu
Subject: Re: DJGPP Floating Point Again

On Fri, 3 Feb 1995, Andy Adams wrote:

> I just installed the base set of djgpp software on my 486SX2 PC.
> I have no 80387 co-processor.
> I'm having trouble with floating point.
> 
> I have the following in my autoexec.bat:
> 
> set GO32=emu c:\bin\gcc\bin\emu387
> 
> I compile with GCC the following test program:
> 
> main()
> {
> 	printf("\n DVAL = %f", 100.0);
> 	exit(0);
> }
> 
> When I execute the program in DOS without Windows, I get the correct 
> answer; DVAL = 100.0000
> 
> When I execute it in a DOSPRMPT window within Windows, 
> I get;  DVAL = NaN.

  Well, the emulation doesn't work under DPMI (yet).

 
> Can I get DOS applications with floating point to run in windows
> DOS Prompts at all when compiled using GCC?
> 
> -------------------------------------------------------------------
>  Andy Adams                          |Internet:  ada AT xmx DOT com
>  XMX Corporation                     |
>  46 Manning Road                     |Telephone: (508)670-8444
>  Billerica, Ma. 01821                |Fax:       (508)670-8448
> -------------------------------------------------------------------
> 

+--------------------------------------------------------+
| Long Doan                          ldoan1 AT osf1 DOT gmu DOT edu |
|                                          ld AT netrix DOT com |
+--------------------------------------------------------+