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Re: [Help-gsl] machine: GSL_SFLT_EPSILON
From: |
Christian Hill |
Subject: |
Re: [Help-gsl] machine: GSL_SFLT_EPSILON |
Date: |
Wed, 30 Aug 2017 14:16:59 +0100 |
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 |
Dear Jerome,
It's the machine epsilon (https://en.wikipedia.org/wiki/Machine_epsilon)
value for the IEEE 754 "half precision" (16 bit, "short" in C++ speak)
floating point number system, equal to 2^-11.
Christian
On 30/08/2017 13:24, address@hidden wrote:
> Hellol List,
>
> in the header gsl_machine.h , what is the meaning of the constant
> GSL_SFLT_EPSILON ?
>
> Thanks in advance,
> Jerome
>
--
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