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D.12.1.1 fastExpt

Procedure from library aksaka.lib (see aksaka_lib).

Usage:
fastExpt(a,m,n); a, m, n = number;

Return:
the m-th power of a; if a^m>n the procedure returns n+1

Note:
uses fast exponentiation

Example:
 
LIB "aksaka.lib";
fastExpt(2,10,1022);
==> 1023

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