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50 Commits (9f0a1ed73033cb86dcad805efed0ec0b49142f15)

Author SHA1 Message Date
Doug Coleman 330c7ba156 factor: Removing SLOT: nth/at/global in favor of using change: at for tuple slots named ``at`` and change-at for hashtables. 
Redo many FROM: and QUALIFIED: and using lists.
 2015-08-12 08:49:02 -05:00
John Benediktsson e9c6bf6b9a math.combinatorics: faster combinations by inlining next-combination. 2013-10-14 15:44:19 -07:00
John Benediktsson d76f8d151d math.combinatorics: adding all-combinations? and all-permutations?. 2013-10-01 20:44:57 -07:00
John Benediktsson 6c6664b0b8 math.combinatorics: specialized version of nths-unsafe for performance. 2013-06-14 11:27:45 -07:00
John Benediktsson 917ae3e410 math.combinatorics: use cond in k-permutations. 2013-05-15 15:09:25 -07:00
John Benediktsson c1e91316d2 math.combinatorics: adding a k-permutations virtual sequence. 2013-05-15 15:05:38 -07:00
John Benediktsson 0d806e0b69 Revert "math.statistics: change cum-mean to use v/." 
This reverts commit 9df2235d8983da67d106a6d5fb297134e5e2a58e.
 2013-05-06 09:08:11 -07:00
John Benediktsson b01b14c0e2 math.statistics: change cum-mean to use v/. 2013-05-06 08:59:02 -07:00
John Benediktsson c1ab4aab59 math.combinatorics: faster by using hints for the array common case. 2013-05-01 11:18:17 -07:00
John Benediktsson 3ca65a2b47 math.combinatorics: fix map>assoc-combinations (shouldn't have been locals). 2013-04-18 09:04:47 -07:00
John Benediktsson 02d652e6c0 math.combinatorics: minor fix to reduce-combinations stack effect. 2013-04-18 07:17:36 -07:00
John Benediktsson 77b3d509be math.combinatorics: cleanup stack effects to be more descriptive. 2013-04-18 07:15:47 -07:00
John Benediktsson 81f733493d math.combinatorics: much faster permutations, cleanup combinations code. 2013-04-18 07:04:17 -07:00
John Benediktsson 433adf8dd2 math.combinatorics: big speedup to combinations. 2013-04-17 20:57:48 -07:00
John Benediktsson 3862c4f9b5 math.combinatorics: remove duplicate nths-unsafe. 2013-04-06 14:29:47 -07:00
John Benediktsson decd9ed1ee math.combinatorics: make permutations-quot to reduce code duplication. 2013-04-06 13:12:57 -07:00
John Benediktsson b646d1e1b8 math.combinatorics: produce type of sequence in selections. 2013-04-06 13:06:23 -07:00
John Benediktsson 64111e1342 math.combinatorics: use nth-unsafe more. 2013-04-06 12:43:02 -07:00
John Benediktsson d15dbaebb4 math.combinatorics: faster nCk (use integer division). 2013-04-06 11:43:20 -07:00
John Benediktsson a52ee59005 math.combinatorics: faster permutation (using slices). 2013-04-05 07:28:22 -07:00
John Benediktsson c86b2d2161 math.combinatorics: factorial could be memoized... 2012-09-05 11:02:38 -07:00
John Benediktsson 55525a8ba4 math.combinatorics: 100%+ faster combinations. 2012-06-01 14:07:39 -07:00
John Benediktsson 817b45ee03 math.combinatorics: minor performance improvements. 2012-04-24 18:42:34 -07:00
John Benediktsson f24e40800a math.combinatorics: faster version of factorial. 2012-04-24 10:06:00 -07:00
John Benediktsson b9bcfdab8e math.combinatorics: adding <combinations> and <permutations> sequences. 2012-04-23 08:30:22 -07:00
John Benediktsson c00ddde434 math.combinatorics: fix failed find combinations/permutations. 2012-04-21 20:11:47 -07:00
John Benediktsson bada993f78 math.combinatorics: adding find-combination and find-permutation. 2012-04-20 23:31:40 -07:00
Doug Coleman 0322b4d028 math.combinators: Add filter-permutations/combinations. Minor cleanup. 2012-04-18 15:18:54 -07:00
Doug Coleman 229d0e0549 math.combinators: Add map-permutation 2012-04-18 15:18:54 -07:00
John Benediktsson 8d56193edd math.combinatorics: implementing "next-permutation". 2012-03-02 09:54:35 -08:00
John Benediktsson 6f1c44b46d Cleanup some lint warnings. 2011-10-15 19:19:44 -07:00
John Benediktsson d58bc08aa0 Update code that did ">alist sort-" to just "sort-". 2011-04-07 09:01:21 -07:00
John Benediktsson ae17190909 math.combinatorics: Fixing selections bug with nested sequences. 2010-08-13 14:34:14 -07:00
John Benediktsson f1eb6a9d6e math.combinatorics: improve all-subsets and selections words. 2010-07-26 08:12:36 -07:00
Joe Groff 37bddfba54 math.combinatorics: all-subsets and selections words (contributed by John Benediktsson) 2010-07-14 09:10:51 -07:00
Slava Pestov 220dd88a2c Update documentation for new help lint check 2010-02-19 12:31:52 +13:00
Slava Pestov ad6d8556e0 Change [0,b) usages to iota 2010-01-15 08:05:50 +13:00
Slava Pestov df4fb4a3ee Removing integers-as-sequences 2010-01-15 07:15:33 +13:00
Doug Coleman 313f70dbd6 Merge branch 'master' of git://factorcode.org/git/factor 2009-12-06 02:28:46 -06:00
Slava Pestov 0a5826c123 math.combinatorics: remove 'mirrors' from using list since its not needed 2009-12-05 18:21:32 -05:00
Doug Coleman a1bb120498 clean up math.combinatorics and add another combinator 2009-11-27 22:50:06 -06:00
Joe Groff 61d579360d remove non-primitive-related uses of tuck from basis 2009-11-05 17:03:24 -06:00
Aaron Schaefer f465a013d7 Speed up best-hands a bit using reduce and add a test 2009-05-07 21:23:58 -04:00
Aaron Schaefer 78037d8d05 Use binary-search instead of find-last for combinations 2009-05-06 20:46:41 -04:00
Aaron Schaefer 678f603aa5 Clean up combinations a bit 2009-05-06 20:18:21 -04:00
Aaron Schaefer eaeda30bb1 Combinations now map to input sequences directly 2009-05-06 01:17:35 -04:00
Aaron Schaefer 71022f9940 Add combination support to math.combinatorics 2009-05-05 22:43:07 -04:00
Slava Pestov cd53c2bd37 produce and produce-as: don't need third quotation either 2009-02-28 15:31:34 -06:00
Doug Coleman 3c408342ef renaming: contain? -> any?, deep-contains? -> deep-any?, pad-left -> pad-head, pad-right -> pad-tail, trim-left -> trim-head, trim-right -> trim-tail 2009-01-29 22:19:07 -06:00
Aaron Schaefer 5869a1aab4 Move math.combinatorics to basis 2008-11-18 10:20:44 -05:00