/
m_gm_recall.c
66 lines (58 loc) · 2.16 KB
/
m_gm_recall.c
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/*
Copyright (c) 2008 - Chris Buckley.
Copyright (c) 2019 - Daniel Valcarce.
Permission is granted for use and modification of this file for
research, non-commercial purposes.
*/
#include "common.h"
#include "sysfunc.h"
#include "trec_eval.h"
#include "functions.h"
#include "trec_format.h"
static int
te_calc_gm_recall(const EPI *epi, const REL_INFO *rel_info,
const RESULTS *results, const TREC_MEAS *tm, TREC_EVAL *eval);
static long long_cutoff_array[] = { 5, 10, 15, 20, 30, 100 };
static PARAMS default_recall_cutoffs = {
NULL, sizeof(long_cutoff_array) / sizeof(long_cutoff_array[0]),
&long_cutoff_array[0] };
/* See trec_eval.h for definition of TREC_MEAS */
TREC_MEAS te_meas_gm_recall = { "gm_recall",
" Recall using geometric mean over the topics.\n",
te_init_meas_a_float_cut_long, te_calc_gm_recall, te_acc_meas_a_cut,
te_calc_avg_meas_a_cut, te_print_single_meas_empty,
te_print_final_meas_a_cut, (void *) &default_recall_cutoffs, -1 };
static int te_calc_gm_recall(const EPI *epi, const REL_INFO *rel_info,
const RESULTS *results, const TREC_MEAS *tm, TREC_EVAL *eval) {
long *cutoffs = (long *) tm->meas_params->param_values;
long cutoff_index = 0;
long i;
RES_RELS res_rels;
long rel_so_far = 0;
double recall;
if (UNDEF == te_form_res_rels(epi, rel_info, results, &res_rels))
return (UNDEF);
if (0 == res_rels.num_rel)
return (0);
for (i = 0; i < res_rels.num_ret; i++) {
if (i == cutoffs[cutoff_index]) {
/* Calculate previous cutoff threshold.
Note cutoffs guaranteed to be positive by init_meas */
recall = (double) rel_so_far / (double) res_rels.num_rel;
eval->values[tm->eval_index + cutoff_index].value = (double) log(
(double) (MAX(recall, MIN_GEO_MEAN)));
if (++cutoff_index == tm->meas_params->num_params)
break;
}
if (res_rels.results_rel_list[i] >= epi->relevance_level)
rel_so_far++;
}
/* calculate values for those cutoffs not achieved */
while (cutoff_index < tm->meas_params->num_params) {
recall = (double) rel_so_far / (double) res_rels.num_rel;
eval->values[tm->eval_index + cutoff_index].value = (double) log(
(double) (MAX(recall, MIN_GEO_MEAN)));
cutoff_index++;
}
return (1);
}