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comparison sample.cpp @ 269:dcbb30790b30 sampling

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Whoops. Fix EXTREMELY EMBARRASSING bug in distance computation.
author mas01cr
date Mon, 16 Jun 2008 11:57:25 +0000
parents 30a2a45f2b70
children 9636040ff503
comparison
equal deleted inserted replaced
268:30a2a45f2b70 269:dcbb30790b30
125 125
126 VERB_LOG(1, "%f %f %f | ", v1norm, v2norm, v1v2); 126 VERB_LOG(1, "%f %f %f | ", v1norm, v2norm, v1v2);
127 /* assume normalizedDistance == true for now */ 127 /* assume normalizedDistance == true for now */
128 /* FIXME: not convinced that the statistics we calculated in 128 /* FIXME: not convinced that the statistics we calculated in
129 TASLP paper are valid for normalizedDistance */ 129 TASLP paper are valid for normalizedDistance */
130 double dist = 2 - v1v2 / sqrt(v1norm * v2norm); 130 double dist = 2 - 2 * v1v2 / sqrt(v1norm * v2norm);
131 VERB_LOG(1, "%f %f\n", dist, log(dist)); 131 VERB_LOG(1, "%f %f\n", dist, log(dist));
132 sumdist += dist; 132 sumdist += dist;
133 sumlogdist += log(dist); 133 sumlogdist += log(dist);
134 i++; 134 i++;
135 } else { 135 } else {