From: Alex Baretta <alex@baretta.com>
To: "Marcin 'Qrczak' Kowalczyk" <qrczak@knm.org.pl>,
Ocaml <caml-list@inria.fr>
Subject: Re: [Caml-list] Int overflow in literals
Date: Thu, 30 Oct 2003 18:37:16 +0100 [thread overview]
Message-ID: <3FA14C4C.2010608@baretta.com> (raw)
In-Reply-To: <1067522012.5880.6.camel@qrnik>
Marcin 'Qrczak' Kowalczyk wrote:
> I understand that int overflow is not checked on arithmetic for
> efficiency reasons, but IMHO it would be better if it was checked
> at least in literals. When someone writes 10000000000, he certainly
> does not mean -737418240.
>
> It caused confusion in a class when someone was interactively testing
> a function with larger and larger inputs.
>
I bet the official answer is "It's can't be done because native integers
are 31 bits on 32 bit platforms, 63 bits on 64 bit platforms, so what is
parser supposed to do? Especially in the case of the bytecode compiler."
Although, I suppose something could be done in the toplevel.
Alex
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next prev parent reply other threads:[~2003-10-30 17:37 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-30 13:53 Marcin 'Qrczak' Kowalczyk
2003-10-30 17:37 ` Alex Baretta [this message]
2003-10-30 17:59 ` Frederic van der Plancke
2003-10-30 19:20 ` Oleg Trott
2003-10-30 19:40 ` Marcin 'Qrczak' Kowalczyk
2003-10-30 20:05 ` Issac Trotts
2003-10-30 21:14 ` Oleg Trott
2003-10-30 21:26 ` Kenneth Knowles
2003-10-31 0:18 ` Jacques Garrigue
2003-10-31 2:05 ` Kenneth Knowles
2003-11-02 15:05 ` skaller
2003-11-02 16:23 ` Brian Hurt
2003-11-02 16:39 ` Marcin 'Qrczak' Kowalczyk
2003-11-07 7:22 ` skaller
2003-10-30 21:36 ` Frederic van der Plancke
2003-10-30 23:27 ` Issac Trotts
2003-10-30 23:43 ` Oleg Trott
2003-10-31 16:42 ` Xavier Leroy
2003-10-31 17:39 ` Marcin 'Qrczak' Kowalczyk
2003-10-31 17:50 ` Oleg Trott
2003-11-02 15:23 ` skaller
2003-11-02 16:37 ` Marcin 'Qrczak' Kowalczyk
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