RE: Perl modules

RE: Perl modules

[Neil Lunn]

>-----Original Message-----
>From: Timothy C. Phan [ mailto:tphan@iqrinc.com ]
>Sent: Monday, August 06, 2001 2:07 PM
>To: cygwin@cygwin.com
>Subject: Perl modules
>
>
>Hi,
>
>  Is there any pre-build perl modules for the perl in 
>  Cygwin?  Particularly DBD::Mysql, DBD::ODBC.

No need for them to be pre-built. Get them from CPAN. Have a look at the DBI
mail list archives or these mail archives for any further information.
There'll also probably be a new patch on DBD:ODBC in the next few days.

--Neil.

>
>  THanks!
>
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RE: Perl modules

[Timothy C. Phan]

Hi Neil,

  Thank for the info.  I did built the DBI and it compiled ok with
  a lot of warning.  I think it also fail a few case of test.

  I also build the DBD::Mysql. This however require a copied of
  the libmysqlclient.a which I also have to build from the
  Mysql distribution.  The original Mysql .dll from it windows/nt
  distribution did not work under the Cygwin environment.

  I just tried out the Cygwin Perl and want to compare it with
  ActiveState Perl.  Has there been any comparison between the
  two?  ActiveState Perl has a very good Perl Package Management
  utility. Thus, this prompted me to ask this group to see if
  such thing existed in Cygwin Perl :)

  BTW, how do I get on the cygwin perl dbi mailing list?

  Thanks!

-----Original Message-----
From: Neil Lunn [ mailto:neillunn@gunz.com.au ]
Sent: Monday, August 06, 2001 12:53 AM
To: 'Timothy C. Phan'; cygwin@cygwin.com
Subject: RE: Perl modules



>-----Original Message-----
>From: Timothy C. Phan [ mailto:tphan@iqrinc.com ]
>Sent: Monday, August 06, 2001 2:07 PM
>To: cygwin@cygwin.com
>Subject: Perl modules
>
>
>Hi,
>
>  Is there any pre-build perl modules for the perl in
>  Cygwin?  Particularly DBD::Mysql, DBD::ODBC.

No need for them to be pre-built. Get them from CPAN. Have a look at the DBI
mail list archives or these mail archives for any further information.
There'll also probably be a new patch on DBD:ODBC in the next few days.

--Neil.

>
>  THanks!
>
>---
>tcp
>
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RE: Perl modules

[Gerrit P. Haase]

Am 6 Aug 2001, um 11:01 hat Timothy C. Phan geschrieben:

> Hi Neil,
> 
>   Thank for the info.  I did built the DBI and it compiled ok with a
>   lot of warning.  I think it also fail a few case of test.
> 
>   I also build the DBD::Mysql. This however require a copied of
>   the libmysqlclient.a which I also have to build from the
>   Mysql distribution.  The original Mysql .dll from it windows/nt
>   distribution did not work under the Cygwin environment.
> 
>   I just tried out the Cygwin Perl and want to compare it with
>   ActiveState Perl.  Has there been any comparison between the
>   two?  ActiveState Perl has a very good Perl Package Management
>   utility. Thus, this prompted me to ask this group to see if
>   such thing existed in Cygwin Perl :)
> 
>   BTW, how do I get on the cygwin perl dbi mailing list?

Cygwin:
http://www.cygwin.com/lists.html

perl-dbi:
http://lists.perl.org/showlist.cgi?name=dbi-users

Gerrit


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Cygwin Perl and Module Math::BigInt

[T.Phan]

Hi, 

  I tried to 'make test' on the the Convert:ASN1 and it kept fail at
  place where the Math::BigInt always returns NaN.

  I cut out the segment below and ran it and sure enough, it return
  NaN in Cygwin Perl.  However, the same script return a number in
  ActiveState Perl:

#--------------------------
use strict;
use Math::BigInt;

my $num = Math::BigInt->new(-1 * (1<<24) * (1<<24));

print "$num\n";

exit;



#----- Cygwin perl returns:  NaN

#----- ActiveState perl returns :  -281474976710656



  Any idea how to fix this in Cygwin?  Thank in advance!


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Re: Cygwin Perl and Module Math::BigInt

[Tels]

-----BEGIN PGP SIGNED MESSAGE-----

Moin,

On 14-Nov-01 Gerrit P. Haase tried to scribble about:
> Hallo Tels, 
> 2001-11-14 21:12:13, du schriebst:
> 
>>>  I tried to 'make test' on the the Convert:ASN1 and it kept fail at
>>>  place where the Math::BigInt always returns NaN.
>>>
>>>  I cut out the segment below and ran it and sure enough, it return
>>>  NaN in Cygwin Perl.  However, the same script return a number in
>>>  ActiveState Perl:
>>>
>>>#--------------------------
>>>use strict;
>>>use Math::BigInt;
>>>
>>>my $num = Math::BigInt->new(-1 * (1<<24) * (1<<24));
>>>
>>>print "$num\n";
>>>
>>>exit;
>>>
>>>#----- Cygwin perl returns:  NaN
>>>
>>>#----- ActiveState perl returns :  -281474976710656
>>>
>>> Any idea how to fix this in Cygwin?  Thank in advance!
> 
>> The scalar probably overflowed and returned "NaN" so that BigInt also
>> produced a "NaN".
> 
>> On my Linux 32 bit box it produces the same number than Activestate.
> 
>> What version of Bigint do you have? And what does Perl print without the
>> bigInt->new() around the expression?
> 
> Without Math::BigInt->new() (I added several print statements):
> 
> $ perl t/06bigint.t
> 1..35
> [...]
> $num is now: -2.8147497671066e+14
>#32: expecting hex:0207ff000000000000
>#32:       got hex:0207fefffffffffffc
>#line 93 t/06bigint.t
> not ok 32
> ok 33
> ok 34
>#35: expecting -2.8147497671066e+14
>#35:       got -281474976710656
>#line 96 t/06bigint.t
> not ok 35
> 
> If I change it back:
> 
> $num is now: -281474976710660
>#32: expecting hex:0207ff000000000000
>#32:       got hex:0207fefffffffffffc
>#line 90 t/06bigint.t
> not ok 32
> ok 33
> ok 34
>#35: expecting -281474976710660
>#35:       got -281474976710656
>#line 93 t/06bigint.t
> not ok 35

Ah! I didn't know about these failures. Were do they occur? In bleadperl?
In previous Perl versions, or in my latest release? Or is this inside
Convert:ASN1?

>>>#----- Cygwin perl returns:  NaN
>>>#----- ActiveState perl returns :  -281474976710656
> That is not correct, cygwin perl returns the same as Activestate:
>#35:       got -281474976710656

So, it got fixed in the meantime, or you have a different Cygwin platform
than the original poster ;)

> with or without Math::BigInt->new().

Thew new() shouldn't actually change the value of the expression, otherwise
I did bad work ;)

>>  perl -MDev::Bollocks -e'print Dev::Bollocks->rand(),"\n"'
> cnt: 5 for 1 sum: 1
> cnt: 5 for 2 sum: 1
> cnt: 5 for 3 sum: 2509
> cnt: 5 for 4 sum: 205657
> return 4
> autoschediastically scale B2C CEOs

Sorry, I accidentily forgot to disable some debug output in Math::String
v1.16. Will be fixed in v1.17 whenever I find time to tidy up the new
release ;) 

Tels

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RE: Cygwin Perl and Module Math::BigInt

[Heribert Dahms]

Hi Tels,

I don't speak Perl, but in C that would overflow the temporary
expression calculated before it is passed as an argument to new()!
Try: my $num = Math::BigInt->new(-1 * (1<<24)) * Math::BigInt->new(1<<24);

Bye, Heribert (heribert_dahms@icon-scm.com)

> -----Original Message-----
> From:	Tels [SMTP:perl_dummy@bloodgate.com]
> Sent:	Wednesday, November 14, 2001 19:35
> To:	tphan@iqrinc.com
> Cc:	cygwin@cygwin.com
> Subject:	Cygwin Perl and Module Math::BigInt
> 
	[Heribert]  [snip]

> >my $num = Math::BigInt->new(-1 * (1<<24) * (1<<24));
> 

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Cygwin Perl and Module Math::BigInt

[Tels]

-----BEGIN PGP SIGNED MESSAGE-----

Moin,

[sorry for the late reply, I don't read this list]

"T.Phan" <tphan at iqrinc dot com> wrote on Fri, 10 Aug 2001 15:38:11 -0500:

>Hi, 
>  I tried to 'make test' on the the Convert:ASN1 and it kept fail at
>  place where the Math::BigInt always returns NaN.
>
>  I cut out the segment below and ran it and sure enough, it return
>  NaN in Cygwin Perl.  However, the same script return a number in
>  ActiveState Perl:
>
>#--------------------------
>use strict;
>use Math::BigInt;
>
>my $num = Math::BigInt->new(-1 * (1<<24) * (1<<24));
>
>print "$num\n";
>
>exit;
>
>#----- Cygwin perl returns:  NaN
>
>#----- ActiveState perl returns :  -281474976710656
>
> Any idea how to fix this in Cygwin?  Thank in advance!

The scalar probably overflowed and returned "NaN" so that BigInt also
produced a "NaN".

On my Linux 32 bit box it produces the same number than Activestate.

What version of Bigint do you have? And what does Perl print without the
bigInt->new() around the expression?

Thanx in advance,


Tels

- --
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Re: Cygwin Perl and Module Math::BigInt

[Tels]

-----BEGIN PGP SIGNED MESSAGE-----

Moin,

okay, I repeat my question because it got lost somehow:

On 14-Nov-01 Gerrit P. Haase tried to scribble about:
> Hallo Tels,
> Without Math::BigInt->new() (I added several print statements):
> $ perl t/06bigint.t

What is this? Which tests are you running? I need to know that to
investigate the failures, otherwise I can't fix it.


> 1..35
> [...]
> $num is now: -2.8147497671066e+14
>#32: expecting hex:0207ff000000000000
>#32:       got hex:0207fefffffffffffc
>#line 93 t/06bigint.t
> not ok 32
> ok 33
> ok 34
>#35: expecting -2.8147497671066e+14
>#35:       got -281474976710656
>#line 96 t/06bigint.t
> not ok 35
> 
> If I change it back:
> 
> $num is now: -281474976710660
>#32: expecting hex:0207ff000000000000
>#32:       got hex:0207fefffffffffffc
>#line 90 t/06bigint.t
> not ok 32
> ok 33
> ok 34
>#35: expecting -281474976710660
>#35:       got -281474976710656
>#line 93 t/06bigint.t
> not ok 35

Cheers,


Tels

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Re: Cygwin Perl and Module Math::BigInt

[Gerrit P. Haase]

Hallo Tels,

2001-11-14 21:12:13, du schriebst:

>>  I tried to 'make test' on the the Convert:ASN1 and it kept fail at
>>  place where the Math::BigInt always returns NaN.
>>
>>  I cut out the segment below and ran it and sure enough, it return
>>  NaN in Cygwin Perl.  However, the same script return a number in
>>  ActiveState Perl:
>>
>>#--------------------------
>>use strict;
>>use Math::BigInt;
>>
>>my $num = Math::BigInt->new(-1 * (1<<24) * (1<<24));
>>
>>print "$num\n";
>>
>>exit;
>>
>>#----- Cygwin perl returns:  NaN
>>
>>#----- ActiveState perl returns :  -281474976710656
>>
>> Any idea how to fix this in Cygwin?  Thank in advance!

> The scalar probably overflowed and returned "NaN" so that BigInt also
> produced a "NaN".

> On my Linux 32 bit box it produces the same number than Activestate.

> What version of Bigint do you have? And what does Perl print without the
> bigInt->new() around the expression?

Without Math::BigInt->new() (I added several print statements):

$ perl t/06bigint.t
1..35
[...]
$num is now: -2.8147497671066e+14
#32: expecting hex:0207ff000000000000
#32:       got hex:0207fefffffffffffc
#line 93 t/06bigint.t
not ok 32
ok 33
ok 34
#35: expecting -2.8147497671066e+14
#35:       got -281474976710656
#line 96 t/06bigint.t
not ok 35

If I change it back:

$num is now: -281474976710660
#32: expecting hex:0207ff000000000000
#32:       got hex:0207fefffffffffffc
#line 90 t/06bigint.t
not ok 32
ok 33
ok 34
#35: expecting -281474976710660
#35:       got -281474976710656
#line 93 t/06bigint.t
not ok 35

>>#----- Cygwin perl returns:  NaN
>>
>>#----- ActiveState perl returns :  -281474976710656

That is not correct, cygwin perl returns the same as Activestate:
#35:       got -281474976710656

with or without Math::BigInt->new().

>  perl -MDev::Bollocks -e'print Dev::Bollocks->rand(),"\n"'

cnt: 5 for 1 sum: 1
cnt: 5 for 2 sum: 1
cnt: 5 for 3 sum: 2509
cnt: 5 for 4 sum: 205657
return 4
autoschediastically scale B2C CEOs

;)

Gerrit
-- 
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                                                  Vitalisstraße 326-328
Gerrit P. Haase                                   D-50933 Köln
gerrit.haase@convey.de                            Fon: ++49 221 6903922


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