37 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			37 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
#include <tommath.h>
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#ifdef BNCORE_C
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/* LibTomMath, multiple-precision integer library -- Tom St Denis
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 *
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 * LibTomMath is a library that provides multiple-precision
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 * integer arithmetic as well as number theoretic functionality.
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 *
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 * The library was designed directly after the MPI library by
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 * Michael Fromberger but has been written from scratch with
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 * additional optimizations in place.
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 *
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 * The library is free for all purposes without any express
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 * guarantee it works.
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 *
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 * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
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 */
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/* Known optimal configurations
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 CPU                    /Compiler     /MUL CUTOFF/SQR CUTOFF
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-------------------------------------------------------------
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 Intel P4 Northwood     /GCC v3.4.1   /        88/       128/LTM 0.32 ;-)
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 AMD Athlon64           /GCC v3.4.4   /        80/       120/LTM 0.35
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*/
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int     KARATSUBA_MUL_CUTOFF = 80,      /* Min. number of digits before Karatsuba multiplication is used. */
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        KARATSUBA_SQR_CUTOFF = 120,     /* Min. number of digits before Karatsuba squaring is used. */
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        TOOM_MUL_CUTOFF      = 350,      /* no optimal values of these are known yet so set em high */
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        TOOM_SQR_CUTOFF      = 400;
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#endif
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/* $Source: /cvs/libtom/libtommath/bncore.c,v $ */
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/* $Revision: 1.5 $ */
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/* $Date: 2006/12/28 01:25:13 $ */
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