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Re: [Help-gsl] strange behaviour of addition of floats and exponential f
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From: |
Jordi Gutiérrez Hermoso |
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Subject: |
Re: [Help-gsl] strange behaviour of addition of floats and exponential function |
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Date: |
Wed, 26 Jan 2011 17:21:50 -0600 |
2011/1/26 Chandra Sekhar Mallarapu <address@hidden>:
> gsl_sf_exp(0.0000000000000000000000005731906218817495693050559208091994557794428814131237532386326994000326495726)
> gives me the value as
> 1.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000,
> instead of the actual value. What can I do to get a correct answer
That is the correct answer for an IEEE 754 double type.
I think you're expecting to use a multiprecision library. Perhaps you
should use GMP instead of the GSL.
- Jordi G. H.