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small fixes

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This commit is contained in:
Fangjun Kuang 2023-04-10 14:38:55 +08:00
parent 0b1492bbf8
commit b71f0428f5
1 changed files with 3 additions and 5 deletions
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8
icefall/shared/combine_lm.py
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@ -170,11 +170,9 @@ def _process_grams(
log10_p_a_backoff = 0 if len(s) < order + 2 else float(s[-1])
log10_p_b = get_score(b, history, word)
if a_scale * log10_p_a < b_scale * log10_p_b:
# ensure that the resulting log10_p_a is negative
log10_p_a = a_scale * log10_p_a - b_scale * log10_p_b
else:
log10_p_a *= a_scale
# ensure that the resulting log10_p_a is not positive
log10_p_a = min(0, a_scale * log10_p_a - b_scale * log10_p_b)
log10_p_a_backoff *= a_scale