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From: Tim Rentsch <tr.17687@z991.linuxsc.com>
Newsgroups: comp.lang.c
Subject: Re: why is there not a ipow version of pow?
Date: Tue, 18 Aug 2026 17:44:10 -0700
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Tim Rentsch <tr.17687@z991.linuxsc.com> writes:

> If I were to take a similar approach, I might write
> something like this (disclaimer: not compiled):
>
> wword
> xpow( wword a, wword n ){
>     if(  n < 2  ){
>         // handle powers less than 2
>         // exercise for the reader
>     }
>
>   wword r = 1;
>     do {
>     if(  n & 1  )  r *= a;
>     a *= a;
>     } while(  n /= 2,  n > 1  );
>
>     return  r*a;
> }

Sorry about that..  darn tab characters..

wword
xpow( wword a, wword n ){
    if(  n < 2  ){
        // handle powers less than 2
        // exercise for the reader
    }

  wword r = 1;
    do {
        if(  n & 1  )  r *= a;
        a *= a;
    } while(  n /= 2,  n > 1  );

    return  r*a;
}