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Re: Quadruple Precision?
| Re: Quadruple Precision? [message #3370 is a reply to message #3367] |
Wed, 18 January 1995 13:54  |
chris
Messages: 22
Registered: October 1994
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Junior Member |
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I wrote:
Quadruple precision?
The answer is: Nope.
++++++++++++++++++++++++++
IDL does not support quadruple precision. The data type supported
by IDL are listed in Chapter 1 of the IDL User's Guide. The highest
precision floating point numbers in IDL are double precision.
I noticed that you are not listed in our database of IDL users.
We do ask that IDL users who call or write for technical assistance
be registered for IDL Technical Support. In order to receive
further assistance from the technical support group please write
to Donna, donna@rsinc.com for details on purchasing this service.
Sincerely,
Hilary
+-------------------------------------------------------+
| support@rsinc.com | IDL and ENVI |
| 303-786-9930 x320 | Technical Support |
+-------------------------------------------------------+
+++++++++++++++++++++++++++
Yes is was for a non graphical application. I need to know Julian
Date (which ranges around 2e6) to about 12 decimal places, so
a total of ~18 sig figs, for purposes of comparison w/ a Fortran
program. I can get around the problem by using modified julian
dates or separating JD into an integer and a fraction, but I was
looking for an easier way.
-chris
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