fix: fix infinite recursion

Author: Joan Martinez

examples/server/tests/features/embeddings.feature

@@ -16,17 +16,10 @@ Feature: llama.cpp server
     Then  the server is starting
     Then  the server is healthy
 
-  Scenario: Embedding
-    When embeddings are computed for:
-    """
-    What is the capital of Bulgaria ?
-    """
-    Then embeddings are generated
-
   Scenario: Tokenize / Detokenize complex
     When tokenizing:
     """
-    España is a èspciâl café über naïve résumé cañón élite cañas Barça 例子 東京 こんにちは 你好 中国
+    España is your's mine's l'heure èspciâl café über naïve résumé cañón élite cañas Barça 例子 東京 こんにちは 你好 中国
     """
     Then tokens can be detokenize and is equivalent False
 

unicode.cpp

@@ -496,7 +496,11 @@ std::vector<uint32_t> canonical_decomposition_cpts(std::vector<uint32_t> & cpts,
         if (it.first != it.second) {
             uint offset = 0;
             for (auto jt = it.first; jt != it.second; jt++) {
-                cpts.emplace(cpts.begin() + i + offset, jt->second);
+                if (offset == 0) {
+                    cpts[i] = jt->second;
+                } else {
+                    cpts.emplace(cpts.begin() + i + offset, jt->second);
+                }
                 offset++;
             }
             const auto & inner_result = canonical_decomposition_cpts(cpts, i);