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| author | Kevin B Kenny <kennykb@acm.org> | 2005-01-19 22:41:26 (GMT) |
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| committer | Kevin B Kenny <kennykb@acm.org> | 2005-01-19 22:41:26 (GMT) |
| commit | ef78ca64ce6ba6a8786f083318fe536f2bd52925 (patch) | |
| tree | 47f8ad0d7291237c7f9af988c5e05275ed9286ee /libtommath/bncore.c | |
| parent | b23d942a1e86ddee18c2309afd7fa7e9afa79ef8 (diff) | |
| download | tcl-ef78ca64ce6ba6a8786f083318fe536f2bd52925.zip tcl-ef78ca64ce6ba6a8786f083318fe536f2bd52925.tar.gz tcl-ef78ca64ce6ba6a8786f083318fe536f2bd52925.tar.bz2 | |
Import of libtommath 0.33
Diffstat (limited to 'libtommath/bncore.c')
| -rw-r--r-- | libtommath/bncore.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/libtommath/bncore.c b/libtommath/bncore.c new file mode 100644 index 0000000..cf8a15a --- /dev/null +++ b/libtommath/bncore.c @@ -0,0 +1,31 @@ +#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@iahu.ca, http://math.libtomcrypt.org + */ + +/* Known optimal configurations + + CPU /Compiler /MUL CUTOFF/SQR CUTOFF +------------------------------------------------------------- + Intel P4 Northwood /GCC v3.4.1 / 88/ 128/LTM 0.32 ;-) + +*/ + +int KARATSUBA_MUL_CUTOFF = 88, /* Min. number of digits before Karatsuba multiplication is used. */ + KARATSUBA_SQR_CUTOFF = 128, /* 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 |