[Axiom-developer] Re: Bug#263991: axiom: wrong calculation of sqrt(2.)

[Camm Maguire]

forwarded  263991 address@hidden
thanks

Tim, would you know anything about this?

Take care,

Heiko Scheit <address@hidden> writes:

> Package: axiom
> Version: 0.20040128-4
> Severity: normal
> 
> 
> axiom seems to have problems calculating sqrt(2).  Using the following
> command
> 
>    echo "digits(DIGITS); sqrt(2.)" | axiom
> 
> where DIGITS should be replaced by the numbers listed in the
> corresponding column below.  In the table below the last digits of the
> output are shown in the second column.  One can see that for
> DIGITS=121278-121280 the result is not correct.  For 121290 digits the
> result is OK again.  As reference the output of Mathematica is given
> in the last row.
> 
> DIGITS    |         result
> --------------------------------
> 121275    |    8347436383 149
> 121276    |    8347436383 14897
> 121277    |    8347436383 148974
> 121278    |    8347436382 1263421
> 121279    |    8347436382 9853356
> 121280    |    8347436383 114184622
> 121290    |    8347436383 1489743406 4670264
> ---       |    8347436383 1489743406 467026400   (Mathematica output)
> 
> 
> 
> -- System Information:
> Debian Release: 3.1
>   APT prefers testing
>   APT policy: (101, 'testing')
> Architecture: i386 (i686)
> Kernel: Linux 2.6.7-1-686
> Locale: LANG=C, LC_CTYPE=C
> 
> Versions of packages axiom depends on:
> ii  libc6                       2.3.2.ds1-13 GNU C Library: Shared libraries 
> an
> ii  libgmp3                     4.1.3-1      Multiprecision arithmetic library
> ii  libncurses5                 5.4-4        Shared libraries for terminal 
> hand
> ii  libreadline4                4.3-11       GNU readline and history 
> libraries
> 
> -- no debconf information
> 
> 
> 
> 

-- 
Camm Maguire                                            address@hidden
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