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Date: Wed, 09 Feb 2011 16:20:32 -0500
From: Hyman Rosen <hyrosen@mail.com>
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Subject: Re: How do I write directly to a memory address?
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Date: 2011-02-09T16:20:32-05:00
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On 2/9/2011 3:25 PM, Shark8 wrote:
> No, yours rejects signed values for the bases; mine does not...
> thus it violates the equal-inputs requirement.

If you insist:

long Exponent(long base, unsigned exp)
{
     if (exp == 0) return 1;
     if (base == 0) return 0;
     int sign = base < 0 && exp % 2 == 1 ? -1 : 1;
     if (base < 0) base = -base;
     while (true)
     {
         long guess = random();
         long g = guess;
         unsigned i = 0;
         while (g % base == 0 && i < exp)
         {
             g /= base;
             ++i;
         }
         if (g == 1 && i == exp) return guess * sign;
     }
}

OK, now can I use my routine instead of yours?