* [Caml-list] abs min_int
@ 2003-08-29 8:22 Christoph Bauer
2003-08-29 8:30 ` IKEDA Katsumi
2003-09-01 6:51 ` Florian Hars
0 siblings, 2 replies; 3+ messages in thread
From: Christoph Bauer @ 2003-08-29 8:22 UTC (permalink / raw)
To: OCaml List
Hi,
the manual describes the function "abs" as
"Return the absolute value of the argument."
This is not quite true:
Objective Caml version 3.07+beta 2
# abs min_int;;
- : int = -1073741824
IMO abs should thow an Failure exception or the manual should
point out this behavior.
Christoph Bauer
--
proc self {} {foreach c [split [info body self] ""] d {14 -7 0 0 4 -67 4 73 11
69 24 -83 -15 6 -4 -84 78 20 11 -78 -1 -1 79 19 -8 4} { binary scan $c c c
if {[catch {append r [format %c [expr $c+$d]]}]} {return $r};}};puts [self]
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [Caml-list] abs min_int
2003-08-29 8:22 [Caml-list] abs min_int Christoph Bauer
@ 2003-08-29 8:30 ` IKEDA Katsumi
2003-09-01 6:51 ` Florian Hars
1 sibling, 0 replies; 3+ messages in thread
From: IKEDA Katsumi @ 2003-08-29 8:30 UTC (permalink / raw)
To: caml-list
Hi,
From: Christoph Bauer <c_bauer@informatik.uni-kl.de>
Date: Fri, 29 Aug 2003 10:22:01 +0200
>
> This is not quite true:
>
> Objective Caml version 3.07+beta 2
>
> # abs min_int;;
> - : int = -1073741824
Objective Caml version 3.06
# abs (-1073741824);;
- : int = -1073741824
# abs (-1073741823);;
- : int = 1073741823
# print_int max_int;;
1073741823- : unit = ()
1073741824 is larger than max_int;
--
IKEDA Katsumi <ikeda@msi.co.jp>
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [Caml-list] abs min_int
2003-08-29 8:22 [Caml-list] abs min_int Christoph Bauer
2003-08-29 8:30 ` IKEDA Katsumi
@ 2003-09-01 6:51 ` Florian Hars
1 sibling, 0 replies; 3+ messages in thread
From: Florian Hars @ 2003-09-01 6:51 UTC (permalink / raw)
To: Christoph Bauer; +Cc: OCaml List
Christoph Bauer wrote:
> # abs min_int;;
> - : int = -1073741824
>
> IMO abs should thow an Failure exception or the manual should
> point out this behavior.
This is the expected behaviour as documented in the manual.
Yours, Florian
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