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Marco Costalba [Sat, 6 Sep 2008 10:20:28 +0000 (12:20 +0200)]
TranspositionTable: early skip on an empty TT entry
Instead of going for the whole 4 cycle loop early
skip if TT entry is empty.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
Marco Costalba [Sat, 6 Sep 2008 10:19:29 +0000 (12:19 +0200)]
TranspositionTable: spaces inflate
No functional change, just a tidy up in
preparation for next patches.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
Marco Costalba [Sat, 6 Sep 2008 04:37:00 +0000 (06:37 +0200)]
RootMoveList: inline trivial accessors
Although not performance critical, trivial
accessors can be inlined without any harm.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
Marco Costalba [Fri, 5 Sep 2008 07:04:45 +0000 (09:04 +0200)]
RootMoveList sorting: be compatible with std::sort
sort() and sort_multipv() are almost the same, so
use only one implementation.
Also introduce the natural RootMove::operator<() to
compare the moves instead of compare_root_moves(),
this will allow to use std::sort instead of our
home grown bubble-sort.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
Marco Costalba [Wed, 3 Sep 2008 21:33:49 +0000 (23:33 +0200)]
scan_for_easy_move: we don't need a loop here
Moves are already sorted, so just consider the best
and the second one.
Some trailing whitespace remove noise crept in due
to my editor removes it before to save.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
Marco Costalba [Wed, 3 Sep 2008 21:29:04 +0000 (23:29 +0200)]
Better document RootMoveList c'tor
Also some code tidy-up.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
Marco Costalba [Mon, 1 Sep 2008 20:05:23 +0000 (22:05 +0200)]
Fix a couple of bugs (fallout from previous patches)
After testing and comparing output with standard Glaurung
a couple of issues arised.
A default value was wrong and init_uci_options() missed a couple
of stringify() calls. Also storing bool values as "false" and "true"
needs some care.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
Marco Costalba [Mon, 1 Sep 2008 14:58:02 +0000 (16:58 +0200)]
ucioptions: Fix stringification of a bool
We want stringify a bool as "true" and "false",
not "1" and "0".
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
Marco Costalba [Mon, 1 Sep 2008 14:03:01 +0000 (16:03 +0200)]
Preserve options order when printed
Use a vector instead of a map so that options
are printed according to their original order.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
Marco Costalba [Mon, 1 Sep 2008 12:05:02 +0000 (14:05 +0200)]
Rewrite ucioptions.cpp to use C++
Instead of old-style C string functions use standard
library to greatly streamline the implementation.
No functional change.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
Marco Costalba [Mon, 1 Sep 2008 06:16:17 +0000 (08:16 +0200)]
Finally remove UCIInputParser class altogether
Class UCIInputParser is now a typedef of a std::istringstream,
this greatly simplifies the code, especially the many conversions
from string to integer are now handled automatically by the
stream instead of relying on a chunk of C-style atoi() calls.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
Marco Costalba [Mon, 1 Sep 2008 06:06:34 +0000 (08:06 +0200)]
Use a string stream in UCIInputParser
Use a std::istringstream instead of an home
grown string tokenizer code.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
Marco Costalba [Mon, 1 Sep 2008 06:03:21 +0000 (08:03 +0200)]
Avoid casts to handle isspace() arguments
Use proper standard conversion to deal
with negative values of a char.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
Marco Costalba [Mon, 1 Sep 2008 05:59:13 +0000 (07:59 +0200)]
Initial import of Glaurung 2.1