0004804: int64_of_big_int fails on negative values that fit in 32-bits

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0004804

OCaml

OCaml general

public

2009-05-22 21:55

2009-05-24 21:50

Reporter

davidgay

Assigned To

Priority

normal

Severity

minor

Reproducibility

always

Status

closed

Resolution

fixed

Platform

OS Version

Product Version

3.11.0

Target Version

Fixed in Version

3.11.1+dev

Summary

0004804: int64_of_big_int fails on negative values that fit in 32-bits

Description

The following code:
open Big_int

let x = minus_big_int (power_int_positive_int 2 31)
let y = int64_of_big_int x

;;

Printf.printf "%s %Ld\n" (string_of_big_int x) y

produces

$ ocaml nums.cma foo.ml
Exception: Failure "int64_of_big_int".

Additional Information

Seems to affect values between -2^31 and -2^32

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Notes
(0004967) xleroy (administrator) 2009-05-24 21:49	Fixed in 3.11 bugfix branch. Will go in 3.11.1.

Issue History
Date Modified	Username	Field	Change
2009-05-22 21:55	davidgay	New Issue
2009-05-24 21:49	xleroy	Note Added: 0004967
2009-05-24 21:49	xleroy	Status	new => closed
2009-05-24 21:49	xleroy	Resolution	open => fixed
2009-05-24 21:49	xleroy	Fixed in Version	=> 3.11.1+dev