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git/t/t4050-diff-histogram.sh

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teach --histogram to diff Port JGit's HistogramDiff algorithm over to C. Rough numbers (TODO) show that it is faster than its --patience cousin, as well as the default Meyers algorithm. The implementation has been reworked to use structs and pointers, instead of bitmasks, thus doing away with JGit's 2^28 line limit. We also use xdiff's default hash table implementation (xdl_hash_bits() with XDL_HASHLONG()) for convenience. Signed-off-by: Tay Ray Chuan <rctay89@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-07-12 08:10:25 +02:00
#!/bin/sh
test_description='histogram diff algorithm'
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-diff-alternative.sh
test_diff_frobnitz "histogram"
test_diff_unique "histogram"
test_done