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Re: problem string from double missing digits [message #36405 is a reply to message #36404]

Thu, 11 September 2003 06:12

Craig Markwardt
Messages: 1869
Registered: November 1996

Senior Member

Reimar Bauer <R.Bauer@fz-juelich.de> writes:
>
> Where are the digits ????
>
> Or does it mean I have first to determine the Format of the number and I
> have to use this information to get the right number.
>
> IDL> s = string(d,format='(F12.3)')
> IDL> PRINT,s
> 98046763.617
>
> This goes right. But my feeling is this is terrible. Because I bet noone
> takes care on this. What's your feeling?

No you don't need to figure out the number of significant digits,
since you can use the format code 'D0'. Formatting output properly is
ultimately the programmer's job. As you did, one rapidly discovers
when they get the formatting wrong.

By the way, why use the 'F' format code, when you know that you have
more than 7 significant digits? Aside question to the group: are the
'F' or 'D' format codes any different?

Good luck,
Craig

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[Message index]

		Re: problem string from double missing digits By: R.Bauer on Thu, 11 September 2003 06:35
		Re: problem string from double missing digits By: K. Bowman on Thu, 11 September 2003 06:24
		Re: problem string from double missing digits By: James Kuyper on Thu, 11 September 2003 06:10
		Re: problem string from double missing digits By: Craig Markwardt on Thu, 11 September 2003 06:12

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