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From:	"Derek" <djny AT flashmail DOT com>
Newsgroups:	comp.os.msdos.djgpp
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Subject:	Re: Does LWP need a coprocessor?
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Message-ID:	<gZvS7.862$G11.135023@news.uswest.net>
Date:	Fri, 14 Dec 2001 17:30:20 -0600
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To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp
Reply-To:	djgpp AT delorie DOT com

> I would like to see the full error message printed when you try to run
> a floating-point program after setting 387=n.  Please post that here.

Okay, here goes:

Exiting due to signal SIGNOFP
Coprocessor not available at eip=0000157e
eax=00000001 ebx=00001000 exc=00000000 edx=00000000 esi=00000054
edi=000287cc
ebp=000a87a8 esp=000a8790 program=C:\KB\FLOAT.EXE
cs: sel=00a7  base=10000000  limit=000affff
ds: sel=00af  base=10000000  limit=000affff
es: sel=00af  base=10000000  limit=000affff
fs: sel=008f  base=000059c0  limit=0000ffff
gs: sel=00bf  base=00000000  limit=0010ffff
ss: sel=00af  base=10000000  limit=000affff
App stack: [000a87cc..000287cc]  Exceptn stack: [00028720..000267e0]

Call frame traceback EIPs:
  0x0000157e
  0x00010822



That's the message I get.

Heres my autoexec.bat:

@LH /L:0;1,45456 /S C:\DOS\SMARTDRV.EXE /X
@echo off
PROMPT $p$g
PATH C:\DOS;c:\progs;C:\HPLJUTIL;
SET TEMP=C:\DOS
set 387=n
rem c:\dos\vresume
rem LH /L:1,41520 vchad
rem c:\dos\mouse.com


Here's my config.sys:

DEVICE=C:\DOS\HIMEM.SYS
DEVICE=C:\DOS\EMM386.EXE NOEMS
BUFFERS=30,0
FILES=30
DOS=UMB
LASTDRIVE=E
FCBS=4,0
DEVICEHIGH /L:1,12048 =C:\DOS\SETVER.EXE
DOS=HIGH

Here's the output of SET:

COMSPEC=C:\COMMAND.COM
PROMPT=$p$g
PATH=C:\DOS;C:\PROGS;C:\HPLJUTIL;
TEMP=C:\DOS
387=n


Here's my program:

#include <iostream>

main() {

float x = 12.3;

x = x / 10;

cout << x;

}




> Do you have a file emu387.dxe in your `bin' subdirectory?

The bin directory of DJGPP? Yes, but ah, this may be my problem. I am
compiling on a more modern PC to run on my 386 laptop. All the above
diagnostics were for the laptop. I should probably set 387=n on my compiling
pc. This would fix it, right?

Thanks for all the help,

Derek Young

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