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Lucas.readme
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1998-05-05
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Short: Lucas-Lehmer primality test. 68k+PPC.
Author: brice.allenbrand@hol.fr (Brice Allenbrand)
Uploader: brice.allenbrand@hol.fr (Brice Allenbrand)
Type: misc/math
Replace: gfx/conv/lucas.lha
lucas.c - Discrete Weighted Transform, irrational base method for
Lucas-Lehmer Mersenne test.
References:
Crandall R E and Fagin B 1994; "Discrete Weighted Transforms
and Large-Integer Arithmetic," Math. Comp. 62, 205, 305-324
Crandall R E 1995; "Topics in Advanced Scientific Computation,"
TELOS/Springer-Verlag
I did the Amiga adaptation after some optimizations (+15% in speed).
Please send me benchmarks. (e.g. 2^521-1)
Usage : LucasXXX Mersenne_Exponent [VERBOSE]
Thanks to Elmar Plischke, Thierry Sillis, Gérard Cornu.
============================= Archive contents =============================
Original Packed Ratio Date Time Name
-------- ------- ----- --------- -------- -------------
801 484 39.5% 31-Mar-98 22:43:10 Lucas.ReadMe
22132 13019 41.1% 30-Mar-98 22:25:36 Lucas020
22132 13019 41.1% 30-Mar-98 22:29:44 Lucas030
22600 13304 41.1% 30-Mar-98 22:33:56 Lucas040
38016 19241 49.3% 31-Mar-98 11:10:18 Lucas060
53793 25557 52.4% 30-Mar-98 22:39:58 LucasPPC
-------- ------- ----- --------- --------
159474 84624 46.9% 03-Apr-98 15:22:32 6 files