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Adding MergeFst abstraction.#161

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Adding MergeFst abstraction.#161
copybara-service[bot] wants to merge 1 commit intomainfrom
copybara/911885512

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@copybara-service copybara-service Bot commented May 7, 2026

Adding MergeFst abstraction.

The MergeFst class provides an efficient low-overhead means for adding states and transitions to an FST (the primary FST) by specifying a secondary FST encoding the transitions and state to be added.

See Cyril Allauzen, Michael Riley (2015): "Rapid vocabulary addition to context-dependent decoder graphs", Interspeech, doi: 10.21437/Interspeech.2015-477.

@copybara-service copybara-service Bot force-pushed the copybara/911885512 branch 8 times, most recently from 9a13dfc to 7ca522a Compare May 7, 2026 12:25
The `MergeFst` class provides an efficient low-overhead means for adding states and transitions to an FST (the primary FST) by specifying a secondary FST encoding the transitions and state to be added.

See Cyril Allauzen, Michael Riley (2015): "Rapid vocabulary addition to context-dependent decoder graphs", Interspeech, doi: 10.21437/Interspeech.2015-477.

PiperOrigin-RevId: 911885512
@copybara-service copybara-service Bot force-pushed the copybara/911885512 branch from 7ca522a to 9ba0bfa Compare May 7, 2026 20:27
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