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#include "os.h"
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#include <mp.h>
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#include "dat.h"
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// remainder = b mod m
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//
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// knuth, vol 2, pp 398-400
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void
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mpmod(mpint *b, mpint *m, mpint *remainder)
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{
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	mpdiv(b, m, nil, remainder);
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	if(remainder->sign < 0)
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		mpadd(m, remainder, remainder);
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}