[src] Make vector-compute-plda check that num-ivectors > plda-dim, and die if not (kaldi-asr#2591)

david-ryan-snyder · danpovey · commit 287e24955fd5 · 2018-08-04T14:30:34.000-07:00
diff --git a/src/ivectorbin/ivector-compute-plda.cc b/src/ivectorbin/ivector-compute-plda.cc
@@ -85,6 +85,7 @@ int main(int argc, char *argv[]) {
           num_utt_done++;
         }
       }
+
       if (ivectors.size() == 0) {
         KALDI_WARN << "Not producing output for speaker " << spk
                    << " since no utterances had iVectors";
@@ -101,6 +102,10 @@ int main(int argc, char *argv[]) {
       }
     }
 
+    if (num_utt_done <= plda_stats.Dim())
+      KALDI_ERR << "Number of training iVectors is not greater than their "
+                << "dimension, unable to estimate PLDA.";
+
     KALDI_LOG << "Accumulated stats from " << num_spk_done << " speakers ("
               << num_spk_err << " with no utterances), consisting of "
               << num_utt_done << " utterances (" << num_utt_err

Original file line number	Diff line number	Diff line change
`@@ -85,6 +85,7 @@ int main(int argc, char *argv[]) {`
`85`	`85`	`num_utt_done++;`
`86`	`86`	`}`
`87`	`87`	`}`
	`88`	`+`
`88`	`89`	`if (ivectors.size() == 0) {`
`89`	`90`	`KALDI_WARN << "Not producing output for speaker " << spk`
`90`	`91`	`<< " since no utterances had iVectors";`
`@@ -101,6 +102,10 @@ int main(int argc, char *argv[]) {`
`101`	`102`	`}`
`102`	`103`	`}`
`103`	`104`
	`105`	`+ if (num_utt_done <= plda_stats.Dim())`
	`106`	`+ KALDI_ERR << "Number of training iVectors is not greater than their "`
	`107`	`+ << "dimension, unable to estimate PLDA.";`
	`108`	`+`
`104`	`109`	`KALDI_LOG << "Accumulated stats from " << num_spk_done << " speakers ("`
`105`	`110`	`<< num_spk_err << " with no utterances), consisting of "`
`106`	`111`	`<< num_utt_done << " utterances (" << num_utt_err`