cygwin@cygwin.com

cygwin@cygwin.com

[leena21]

hi all,

I would appriciaite if some can tell me which  floating point format is used
in Cygwin environment ?
Regards
Leena
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Re: cygwin@cygwin.com

[Tim Prince]

leena21 wrote:
> I would appriciaite if some can tell me which  floating point format is used
> in Cygwin environment ?
>
>   
If I understand your question, this depends on the your selection on the 
compiler command line. gcc defaults to "387" (80387) format.  Normally, 
if you care, you would set something like -march=pentium-m, and, if you 
wish, -mfpmath=sse .  All the usual data types are present (float, 
double, long double) and the storage is little-endian, same as any other 
compiler for the same CPU.

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Re: cygwin

[Christopher Faylor]

On Sun, Jul 26, 2009 at 03:35:51AM -0700, leena21 wrote:
>
>hi all,
>
>I would appriciaite if some can tell me which  floating point format is used
>in Cygwin environment ?

Please don't use the mailing list address as the subject of
your messages.  Choose an appropriate subject and don't feed
the spammers.

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cygwin@cygwin.com

[kjur]

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cygwin@cygwin.com

[Nicholas Clark]

Hi all,

I remember seeing a bunch of traffic on the subject of rebasing a few
years ago, with people saying that it wouldn't be necessary once we
moved over to 64-bit Cygwin. Did that wind up being true?

I've got some in-house tools that some of our developers want to use
on Cygwin, and I've been thinking about the best way to maintain
remote installations. If I use some kind of scripted
deployment/update, do I actually need to keep everything rebased?

-Nick

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Re: cygwin@cygwin.com

[Andrey Repin]

Greetings, Nicholas Clark!

> I remember seeing a bunch of traffic on the subject of rebasing a few
> years ago, with people saying that it wouldn't be necessary once we
> moved over to 64-bit Cygwin. Did that wind up being true?

I see no reason to think otherwise. 64*bit address space is much leaner on the
subject.
However, the very process of rebasing the applications has nothing to do with
platform specs.
Apps are built on different machines, and their address space may collide,
when they meet on one target system.
64-bit platform just offer more space, meaning that more applications can be
installed that rely on POSIX address space semantics.
Still, you should only install what you are actually using.

> I've got some in-house tools that some of our developers want to use
> on Cygwin, and I've been thinking about the best way to maintain
> remote installations. If I use some kind of scripted
> deployment/update, do I actually need to keep everything rebased?

setup.exe offer all the tools you need for automatic installation.


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With best regards,
Andrey Repin
Monday, August 3, 2015 22:12:38

Sorry for my terrible english...


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cygwin@cygwin.com

[Thomas Schindler]

Hello again,

sorry having bothered you, I should read the mailing list before sending a
question. I found the answer a couple fo threads before. Sorry again.

Thomas




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