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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 |
| Architecture: | m68k-amigaos,ppc-powerup |
| Date: | 1998-10-14 |
| Download: | misc/math/Lucas.lha - View contents | | Readme: | misc/math/Lucas.readme |
| Downloads: | 1297 |
|
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.
Usage : LucasXXX Mersenne_Exponent [VERBOSE]
Take a look at : http://www.mersenne.org/prime.htm
Thanks to Elmar Plischke, Thierry Sillis, Gérard Cornu.
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Contents of misc/math/Lucas.lha
PERMSSN UID GID PACKED SIZE RATIO CRC STAMP NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic] 504 835 60.4% -lh5- 27cb Oct 10 1998 RINGARD/Lucas/Lucas.ReadMe
[generic] 12556 21144 59.4% -lh5- 2949 Oct 10 1998 RINGARD/Lucas/Lucas000
[generic] 11425 17808 64.2% -lh5- 1bdc Oct 10 1998 RINGARD/Lucas/Lucas020
[generic] 11425 17808 64.2% -lh5- 1bdc Oct 10 1998 RINGARD/Lucas/Lucas030
[generic] 11649 18136 64.2% -lh5- b033 Oct 10 1998 RINGARD/Lucas/Lucas040
[generic] 11472 17884 64.1% -lh5- 35e9 Oct 10 1998 RINGARD/Lucas/Lucas060
[generic] 18588 32684 56.9% -lh5- 2f7e Oct 10 1998 RINGARD/Lucas/LucasPPC
[generic] 23613 49666 47.5% -lh5- 2bdb Oct 10 1998 RINGARD/Lucas/LucasPPC_ELF
---------- ----------- ------- ------- ------ ---------- ------------ -------------
Total 8 files 101232 175965 57.5% Oct 13 1998
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