[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Arithmetic issues

On Wed, 19 Oct 2005, Aubrey Jaffer wrote:


| From: Andre van Tonder <andre@xxxxxxxxxxxxxxxxx>
|
| I share the discomfort with the bitwise operations.  As far as I
| can tell, the SRFI does not portably specify the value of
| (BITWISE-NOT 42).

SRFI-60 "Integers as Bits" defines the bitwise operations for all
integers.  And the reference implementation is written portably in
R5RS Scheme.

(BITWISE-NOT 42)  ==>  -43


Oops, sorry.  My mistake...

Andre