determinism

AztecProtocol · Dec 8, 2023 · 6cac29f · 6cac29f
1 parent a6c0843
commit 6cac29f
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/barretenberg/cpp/src/barretenberg/numeric/random/engine.cpp b/barretenberg/cpp/src/barretenberg/numeric/random/engine.cpp
@@ -10,8 +10,15 @@ namespace {
 auto generate_random_data()
 {
     std::array<unsigned int, 32> random_data;
+#ifdef BBERG_DEBUG_LOG
+    // if we are debug logging, don't actually use randomness, defeats the intended use-case of comparing runs
+    for (size_t i = 0; i < 32; i++) {
+        random_data[i] = unsigned(i + 1u);
+    }
+#else
     std::random_device source;
     std::generate(std::begin(random_data), std::end(random_data), std::ref(source));
+#endif
     return random_data;
 }
 } // namespace