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Re: Accuracy problem [message #47939 is a reply to message #19921]

Sat, 11 March 2006 19:37

Juan Arrieta
Messages: 6
Registered: February 2006

Junior Member

Dear All:
Many thanks for your replies.
I have implemented both corrections, namely using the double precision
version of the NORM subroutine, and adding the argument bounds for the
ACOS function. Now the code is working as expected.

I yet have to see exaclty where was the accuracy lost. As soon as I
find it out, I will post another message in this same topic tree, so
others can be benefited from my (bad) experience.

Again, many thanks for your replies. Happy IDL-ing.

Juan J. Arrieta-Camacho
Carnegie Mellon University

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[Message index]

		accuracy problems By: J�rg Schliwa on Thu, 27 April 2000 00:00
		Re: Accuracy problem By: kehcheng on Sat, 11 March 2006 22:45
		Re: Accuracy problem By: Juan Arrieta on Sat, 11 March 2006 19:37
		Re: Accuracy problem By: mmeron on Sat, 11 March 2006 16:25
		Re: Accuracy problem By: David Fanning on Sat, 11 March 2006 06:14
		Re: Accuracy problem By: James Kuyper on Sat, 11 March 2006 03:56
		Re: Accuracy problem By: mmeron on Fri, 10 March 2006 22:52
		Re: Accuracy problem By: David Fanning on Fri, 10 March 2006 21:43

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