Commit Graph

12 Commits

Author SHA1 Message Date
joerg e240adbd0b Retire OSI network stack. OK core@ 2013-03-01 18:25:13 +00:00
joerg a81d4ca32f bdz -> bpz to match the initials of the authors. 2013-01-31 16:32:02 +00:00
joerg ab86636a8f Adding missing new lines in output. 2012-11-23 02:57:57 +00:00
joerg 4edfbdbb40 Simplify the BDZ compression function, making it smaller at the same
time. Fixes a bug where non-minimal hash functions could be created.
Add regression tests for BDZ, including the map output functionality.
2012-09-25 20:53:46 +00:00
joerg 84d44fb884 The output function is only order preserving for chm and chm3, so
correct that part of the documentation and also mention what the default
algorithm is.
2012-05-31 21:36:06 +00:00
joerg 10769988ef Add support for build as part of the toolchain. Add option for
deterministic output (-p), which replaces the random seed with a
incremental counter.
2011-10-21 23:47:11 +00:00
joerg f9c779de17 Add a check for duplicate keys. The check is run once and quadratic in
the hash collision chain length, which is expected to be fairly low.
2010-03-03 01:55:04 +00:00
joerg 97b3b0515b Fix a comment. 2010-03-01 21:46:58 +00:00
joerg 042b29cdb1 Use a more compact presentation for g if the size is small enough. 2009-08-24 17:12:46 +00:00
joerg 976b948d1c GCC's propolice complains about dynamic stack arrays to bite the bullet
and introduce a compile constant that limits the number of hash results.
Verify that the choosen hash function is not beyond that limit and just
the upper limit as static size in the graph tree functions.
2009-08-22 17:52:17 +00:00
joerg 81e49626c4 GCC doesn't trace switch (foo & 7) completely, so add a default: abort()
to avoid warnings about unused variables.
Consistently use \t for the output function.
2009-08-17 14:15:07 +00:00
joerg 03c8ba1c27 Add nbperf(1), a minimal perfect hash function generator.
Implemented are the 3-graph BDZ algorithm as well as the
2-graph and 3-graph CHM algorithms. All algorithms have expected
linear run time and the smallest functions need around 2.85 bit/key.
2009-08-15 16:21:04 +00:00