Debug ApplyBuffer() classical shadows

unitaryfund · Nov 12, 2024 · a13117f · a13117f
1 parent ffff8c6
commit a13117f
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git 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
@@ -229,7 +229,7 @@ void benchmarkLoopVariable(std::function<void(QInterfacePtr, bitLenInt)> fn, bit
                     qftReg->SetReactiveSeparate(false);
                 }
 
-                sampleFailureCount++;
+                ++sampleFailureCount;
             }
         }