Respect ENABLE_ENV_VARS

unitaryfund · Jan 23, 2024 · b6a6d39 · b6a6d39
1 parent ac8bcb8
commit b6a6d39
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/include/qbdthybrid.hpp b/include/qbdthybrid.hpp
@@ -91,9 +91,13 @@ class QBdtHybrid : public QParity, public QInterface {
             return;
         }
 
+#if ENABLE_ENV_VARS
         const double threshold = getenv("QRACK_QBDT_HYBRID_THRESHOLD")
             ? std::stod(getenv("QRACK_QBDT_HYBRID_THRESHOLD"))
             : std::log2(strideBits - qubitCount);
+#else
+        const double threshold = std::log2(strideBits - qubitCount);
+#endif
 
         if ((2.0 - threshold) <= FP_NORM_EPSILON) {
             // This definitely won't switch to state vector.