From: Simon Wright <simon.j.wright@mac.com>
Subject: Re: Bit operations in Ada
Date: Sat, 24 May 2008 16:36:13 +0100
Date: 2008-05-24T16:36:13+01:00 [thread overview]
Message-ID: <m2r6brzpci.fsf@mac.com> (raw)
In-Reply-To: 87wslksmgk.fsf@ludovic-brenta.org
Ludovic Brenta <ludovic@ludovic-brenta.org> writes:
> Another alternative is Unchecked_Conversion:
>
> type Bit_Number is range 0 .. 31;
> type Bit_Field is array (Bit_Number) of Boolean;
> pragma Pack (Bit_Field);
> function To_Bit_Field is
> new Ada.Unchecked_Conversion (Source => Interfaces.Unsigned_32,
> Target => Bit_Field);
Whether this does what you want may depend on whether the machine is
big-endian (eg, SPARC, PowerPC etc) or not (Intel etc).
next prev parent reply other threads:[~2008-05-24 15:36 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-23 21:19 Bit operations in Ada Dennis Hoppe
2008-05-23 22:08 ` Ludovic Brenta
2008-05-24 15:36 ` Simon Wright [this message]
2008-06-02 13:27 ` Bit operations in Ada (endianness) Dennis Hoppe
2008-06-02 14:01 ` (see below)
2008-06-02 18:22 ` Jeffrey R. Carter
2008-06-02 17:38 ` Ludovic Brenta
2008-05-23 22:38 ` Bit operations in Ada Robert A Duff
2008-05-24 0:27 ` Randy Brukardt
2008-05-24 9:40 ` Bit operations in Ada (Thank you) Dennis Hoppe
2008-05-23 23:25 ` Bit operations in Ada Jeffrey R. Carter
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