annotate tests/pointset_test/lshL.m @ 319:b9eff6896943 large_adb

Added indexing support for O2_FLAG_LARGE_ADB. Tested on indexed query by features. No indexed query-by-key yet. No --lsh_exact yet.
author mas01mc
date Tue, 19 Aug 2008 20:27:15 +0000
parents 8fcc7c590a0e
children
rev   line source
mas01mc@285 1 function L = lshL(w,k,delta)
mas01mc@285 2 if nargin<3, delta=0.01;end
mas01mc@285 3 if nargin<2, k=10;end
mas01mc@285 4 if nargin<1, w=4;end
mas01mc@285 5
mas01mc@287 6 P1=lshP(w,1);
mas01mc@287 7 L = ceil(log(1./delta)/-log(1-P1^k));
mas01mc@285 8
mas01mc@285 9 endfunction