http://qs1969.pair.com?node_id=486178


in reply to Fast common substring matching

You're still not locating all equal-length LCSs.

P:\test>type duptest.dat >string1 AAAAAAAAAAAAAAAAAGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGTTTTTTTTTTTTTTTTT >string2 TTTTTTTTTTTTTTTTTCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCAAAAAAAAAAAAAAAAA >string3 TTTTTTTTTTTTTTTTTxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxAAAAAAAAAAAAAAAAA P:\test>gf duptest.gf 000:001 L[ 17] ( 0 47) 000:002 L[ 17] ( 0 47) 001:002 L[ 17] ( 0 0) Completed in 0.001205 Best match: >string1 - >string2. 17 characters starting at 0 and 47. Best match: >string1 - >string3. 17 characters starting at 0 and 47. Best match: >string2 - >string3. 17 characters starting at 0 and 0.

Each pairing contains two equal matches:

P:\test>484593-5 duptest.dat 000:001 L[017] (0000,0047)'TTTTTTTTTTTTTTTTT' (0047,0000)'AAAAAAAAAAAAAAAAA' 000:002 L[017] (0000,0000)'TTTTTTTTTTTTTTTTT' (0047,0047)'AAAAAAAAAAAAAAAAA' 001:002 L[017] (0000,0047)'AAAAAAAAAAAAAAAAA' (0047,0000)'TTTTTTTTTTTTTTTTT' 3 trials of duptest.dat ( 323us total), 107us/trial

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