add dry sampler (#513)

* add dry sampler

* use vocab instead of model in dry_init function

* fix compile error for build test

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Co-authored-by: firecoperana <firecoperana>

1 files changed, 1 insertions, 1 deletions

diff --git a/examples/lookahead/lookahead.cpp b/examples/lookahead/lookahead.cpp
index 81cf1629..b817be2d 100644
--- a/examples/lookahead/lookahead.cpp
+++ b/examples/lookahead/lookahead.cpp
@@ -118,7 +118,7 @@ int main(int argc, char ** argv) {
     llama_batch batch = llama_batch_init(params.n_ctx, 0, W + G + 1);
 
     // target model sampling context
-    struct llama_sampling_context * ctx_sampling = llama_sampling_init(params.sparams);
+    struct llama_sampling_context * ctx_sampling = llama_sampling_init(llama_get_model_vocab(model), params.sparams);
 
     // verification n-grams
     std::vector<ngram_data> ngrams_cur(G);