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Re: JULDAY 5.4 not same as 5.3? [message #24037 is a reply to message #23992]

Tue, 06 March 2001 09:23

pit
Messages: 92
Registered: January 1996

Member

"Mark Hadfield" <m.hadfield@niwa.cri.nz> writes:

>> And what would you do with a number like -('ffffffff'xul), ie a number
>> that to begin with is too large to fit into a signed type.
>
> Now, that is a good point.
>
> There are other situations where auto-magical type conversion could save
> programmers' skins but is not done by IDL, e.g. 32767S + 1S evaluates
> to -32767S, not 32768L. Hands up who hasn't been stung by that one!

That were exactly my thoughts when I was thinking about the -1b
problem lately, and was the reason I didn't ask here at that time.
Just as a similar problem showed up, I decided to shout ;^>

So the essence is boundary checks are (and should stay) a work for the
programmer (which is perfectly OK for me....).

Peter

--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~
Dr. Peter "Pit" Suetterlin http://www.astro.uu.nl/~suetter
Sterrenkundig Instituut Utrecht
Tel.: +31 (0)30 253 5225 P.Suetterlin@astro.uu.nl
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[Message index]

		JULDAY 5.4 not same as 5.3? By: Don Woodraska on Thu, 01 March 2001 15:00
		Re: JULDAY 5.4 not same as 5.3? By: pit on Tue, 06 March 2001 09:23
		Re: JULDAY 5.4 not same as 5.3? By: Mark Hadfield on Mon, 05 March 2001 14:57
		Re: JULDAY 5.4 not same as 5.3? By: Craig Markwardt on Mon, 05 March 2001 14:22
		Re: unsigned int woes (was: JULDAY 5.4 not same as 5.3?) By: Martin Schultz on Mon, 19 March 2001 06:19
		Re: JULDAY 5.4 not same as 5.3? By: pit on Mon, 05 March 2001 10:03
		Re: JULDAY 5.4 not same as 5.3? By: Mark Hadfield on Sun, 04 March 2001 12:14

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