chore: import upstream snapshot with attribution

2026-07-13 13:23:58 +08:00
commit 770d92cb1f
694 changed files with 114634 additions and 0 deletions
@@ -0,0 +1,37 @@
+/*!
+ *  Copyright (c) 2023-2025 by Contributors
+ * \file support/random.h
+ * \brief Header of random number generator.
+ */
+
+#ifndef MLC_LLM_SUPPORT_RANDOM_H_
+#define MLC_LLM_SUPPORT_RANDOM_H_
+
+#include <random>
+
+namespace mlc {
+namespace llm {
+
+// Random number generator
+class RandomGenerator {
+ private:
+  std::mt19937 gen;
+  std::uniform_real_distribution<> dis;
+
+ public:
+  RandomGenerator(int seed = std::random_device{}()) : gen(seed), dis(0.0, 1.0) {}
+
+  static RandomGenerator& GetInstance(int seed = std::random_device{}()) {
+    static RandomGenerator instance(seed);
+    return instance;
+  }
+
+  double GetRandomNumber() { return dis(gen); }
+
+  void SetSeed(int seed) { gen.seed(seed); }
+};
+
+}  // namespace llm
+}  // namespace mlc
+
+#endif  // MLC_LLM_SUPPORT_RANDOM_H_