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Re: format codes [message #93680 is a reply to message #93679]

Wed, 28 September 2016 08:22

Helder Marchetto
Messages: 520
Registered: November 2011

Senior Member

Interesting. I seem not to be able to travel forward in time... When is 8.6 appearing for non-time travelers?
Any further sneak preview info (apart from the c_style output formatting)?

Thanks,
h

On Wednesday, September 28, 2016 at 5:00:20 PM UTC+2, Jim P wrote:
> On Wednesday, September 28, 2016 at 5:44:57 AM UTC-6, Craig Markwardt wrote:
>> On Tuesday, September 27, 2016 at 10:49:42 AM UTC-4, sayani ghosh wrote:
>>> I am working with with phase data that looks like 23568978.124578 in cycles.
>>> I want to export the whole value in decimal format without rounding off. The problem while using E11.4 or a or G10.4 is, IDL is rounding my data like 2.3568e+007.. Which is leading to errors in consequent calculations.
>>
>> FORMAT='(G)'
>>
>> will print the full double precision and include the exponent where necessary.
>
> For those reading this thread in the future with IDL 8.6 or later, be aware of the difference between "(G)" (FORTRAN-style) and "%g" (C_style) FORMAT specifiers because they are not equivalent.
>
> IDL> print, a, format = '(G)'
> 1.234567891011112E-066
> IDL> print, a, format = '%g'
> 1.23457e-066
> IDL> print, a, format = '%22g'
> 1.234567891011112e-066
>
> Jim P.

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[Message index]

		format codes By: sayaniforever on Tue, 27 September 2016 07:49
		Re: format codes By: wlandsman on Tue, 27 September 2016 07:59
		Re: format codes By: sayaniforever on Tue, 27 September 2016 09:19
		Re: format codes By: wlandsman on Tue, 27 September 2016 09:27
		Re: format codes By: Markus Schmassmann on Wed, 28 September 2016 01:36
		Re: format codes By: Craig Markwardt on Wed, 28 September 2016 04:44
		Re: format codes By: Jim Pendleton on Wed, 28 September 2016 08:00
		Re: format codes By: Helder Marchetto on Wed, 28 September 2016 08:22
		Re: format codes By: Jim Pendleton on Wed, 28 September 2016 11:17
		Re: format codes By: sg26041991 on Sat, 01 October 2016 22:34

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