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| author | Nikos Mavrogiannopoulos <nmav@gnutls.org> | 2010-07-05 10:53:45 +0200 |
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| committer | Nikos Mavrogiannopoulos <nmav@gnutls.org> | 2010-07-05 10:57:27 +0200 |
| commit | 22db48330c452c35e3981f10b5bd6cc49ce59526 (patch) | |
| tree | 5e90f7aa9f228adc99b2a4486a10a6691dad4830 /libtommath/bncore.c | |
| parent | aaadfeb4517b66bbd59de39173f2d032aa1d8ea9 (diff) | |
| download | cryptodev-linux-22db48330c452c35e3981f10b5bd6cc49ce59526.tar.gz cryptodev-linux-22db48330c452c35e3981f10b5bd6cc49ce59526.tar.xz cryptodev-linux-22db48330c452c35e3981f10b5bd6cc49ce59526.zip | |
Added libtommath for bignum operations.
Diffstat (limited to 'libtommath/bncore.c')
| -rw-r--r-- | libtommath/bncore.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/libtommath/bncore.c b/libtommath/bncore.c new file mode 100644 index 0000000..8fb1824 --- /dev/null +++ b/libtommath/bncore.c @@ -0,0 +1,36 @@ +#include <tommath.h> +#ifdef BNCORE_C +/* LibTomMath, multiple-precision integer library -- Tom St Denis + * + * LibTomMath is a library that provides multiple-precision + * integer arithmetic as well as number theoretic functionality. + * + * The library was designed directly after the MPI library by + * Michael Fromberger but has been written from scratch with + * additional optimizations in place. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org + */ + +/* Known optimal configurations + + CPU /Compiler /MUL CUTOFF/SQR CUTOFF +------------------------------------------------------------- + Intel P4 Northwood /GCC v3.4.1 / 88/ 128/LTM 0.32 ;-) + AMD Athlon64 /GCC v3.4.4 / 80/ 120/LTM 0.35 + +*/ + +int KARATSUBA_MUL_CUTOFF = 80, /* Min. number of digits before Karatsuba multiplication is used. */ + KARATSUBA_SQR_CUTOFF = 120, /* Min. number of digits before Karatsuba squaring is used. */ + + TOOM_MUL_CUTOFF = 350, /* no optimal values of these are known yet so set em high */ + TOOM_SQR_CUTOFF = 400; +#endif + +/* $Source: /cvs/libtom/libtommath/bncore.c,v $ */ +/* $Revision: 1.5 $ */ +/* $Date: 2006/12/28 01:25:13 $ */ |