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D.12.1.4 wurzel

Procedure from library aksaka.lib (see aksaka_lib).

Usage:
wurzel(r);

Assume:
characteristic of basering is 0, r>=0

Return:
number, square root of r

Example:
 
LIB "aksaka.lib";
ring R = 0,x,dp;
wurzel(7629412809180100);
==> 1865710129929361317210322057510562162708718527523839496863278734077262480\
   50411994482808890692946129926517/2135987035920910082395021706169552114602\
   704522356652769947041607822219725780640550022962086936576