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Re: Floating Array Shows no numbers after the dot [message #29454]

Wed, 20 February 2002 07:09

Martin Downing
Messages: 136
Registered: September 1998

Senior Member

"Craig Markwardt" <craigmnet@cow.physics.wisc.edu> wrote in message
news:onsn7wtejc.fsf@cow.physics.wisc.edu...
>
> "Martin Downing" <martin.downing@ntlworld.com> writes:
>> [hmm - as an aside, does anyone know why DOUBLE can only store 2 more
digits
>> cf. FLOAT considering it uses 4 extra bytes which is enough for a 10
digit
>> LONG ?]
>
> Hi Martin--
>
> Where are you getting your info? I get the following:
> float - mantissa 24 bis = 7.2 decimal digits
> double - mantissa 53 bits = 16.0 decimal digits
> DOUBLE can store more than twice as many digits as FLOAT. The
> increase in digits in the exponent is fewer. I got these values from
> MACHAR().
>
Its Ok, I was just advertising how stupid my brain can be before I have
fully woken up/recaffienated. I was of course observing print default
formats.
I think its called doing a "Homer" (-:0) Doh!

Martin

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[Message index]

		Re: Floating Array Shows no numbers after the dot By: Martin Downing on Wed, 20 February 2002 07:09
		Re: Floating Array Shows no numbers after the dot By: tam on Wed, 20 February 2002 06:19
		Re: Floating Array Shows no numbers after the dot By: Craig Markwardt on Wed, 20 February 2002 06:26
		Re: Floating Array Shows no numbers after the dot By: Martin Downing on Wed, 20 February 2002 01:32
		Re: Floating Array Shows no numbers after the dot By: David Fanning on Tue, 19 February 2002 09:26
		Re: Floating Array Shows no numbers after the dot By: R.Bauer on Tue, 19 February 2002 09:07

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