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First attempt at fixing missing-backoffs bug in lmplz

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This commit is contained in:
Marcin Junczys-Dowmunt 2014-07-27 20:35:15 +02:00
parent 52a1056f9e
commit 061aac9e3b
1 changed files with 6 additions and 4 deletions
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10
lm/builder/interpolate.cc
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@ -25,6 +25,10 @@ class Callback {
~Callback() {
for (std::size_t i = 0; i < backoffs_.size(); ++i) {
if(prune_thresholds_[i + 1] > 0)
while(backoffs_[i])
++backoffs_[i];
if (backoffs_[i]) {
std::cerr << "Backoffs do not match for order " << (i + 1) << std::endl;
abort();
@ -50,11 +54,9 @@ class Callback {
uint64_t current_hash = util::MurmurHashNative(gram.begin(), gram.Order() * sizeof(WordIndex));
const HashGamma *hashed_backoff = static_cast<const HashGamma*>(backoffs_[order_minus_1].Get());
while(backoffs_[order_minus_1] && current_hash != hashed_backoff->hash_value) {
while(current_hash != hashed_backoff->hash_value && ++backoffs_[order_minus_1])
hashed_backoff = static_cast<const HashGamma*>(backoffs_[order_minus_1].Get());
++backoffs_[order_minus_1];
}
if(current_hash == hashed_backoff->hash_value) {
pay.complete.backoff = log10(hashed_backoff->gamma);
++backoffs_[order_minus_1];