Fix bug in DensityMatrixThrust apply_y (Qiskit#771)

Fixes a bug introduced in Qiskit#760
chriseclectic · Jun 1, 2020 · fea1472 · fea1472
1 parent 7dcbffc
commit fea1472
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/simulators/density_matrix/densitymatrix_thrust.hpp b/src/simulators/density_matrix/densitymatrix_thrust.hpp
@@ -430,10 +430,10 @@ class DensityY : public GateFuncBase
     q2 = pV[offsets[2]+i0];
     q3 = pV[offsets[3]+i0];
 
-    pV[offsets[0]+i0] = q0;
+    pV[offsets[0]+i0] = q3;
     pV[offsets[1]+i0] = -q2;
     pV[offsets[2]+i0] = -q1;
-    pV[offsets[3]+i0] = q3;
+    pV[offsets[3]+i0] = q0;
 		return 0.0;
   }