From a13117f96420b1c647d096ee22a5bd015b088248 Mon Sep 17 00:00:00 2001
From: WrathfulSpatula <stranoj@gmail.com>
Date: Mon, 11 Nov 2024 21:12:54 -0500
Subject: [PATCH] Debug ApplyBuffer() classical shadows

---
 src/qunit.cpp       | 3 ++-
 test/benchmarks.cpp | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/qunit.cpp b/src/qunit.cpp
index def4bd3f4..0d2002d81 100644
--- a/src/qunit.cpp
+++ b/src/qunit.cpp
@@ -4048,9 +4048,10 @@ void QUnit::ApplyBuffer(PhaseShardPtr phaseShard, bitLenInt control, bitLenInt t
             const real1_f pch = Prob(control);
             const real1_f phHi = pth > pch ? pth : pch;
             const real1_f phLo = pth > pch ? pch : pth;
+            const bool phState = abs(phHi - (ONE_R1_F / 2)) >= abs(phLo - (ONE_R1_F / 2));
             const bitLenInt th = pth > pch ? control : target;
 
-            if ((2 * phHi) > ONE_R1_F) {
+            if (phState) {
                 Phase(ONE_CMPLX, -ONE_CMPLX, th);
                 logFidelity += log(phHi);
             } else {
diff --git a/test/benchmarks.cpp b/test/benchmarks.cpp
index d3cb01f4e..aa6c7c045 100644
--- a/test/benchmarks.cpp
+++ b/test/benchmarks.cpp
@@ -229,7 +229,7 @@ void benchmarkLoopVariable(std::function<void(QInterfacePtr, bitLenInt)> fn, bit
                     qftReg->SetReactiveSeparate(false);
                 }
 
-                sampleFailureCount++;
+                ++sampleFailureCount;
             }
         }