A verifiable quantum advantage towards real world applications: Quantum Echoes 
Learn more
         
     
  
  
  
  
  
    
      Module: cirq.testing.gate_features
  
      
    
  
  
  
  
  
    
  
  
    
    
Simple gates used for testing purposes.
Classes
class DoesNotSupportSerializationGate: A gate that can't be serialized.
class SingleQubitGate: A gate that must be applied to exactly one qubit.
class ThreeQubitGate: A gate that must be applied to exactly three qubits.
class TwoQubitGate: A gate that must be applied to exactly two qubits.
| Other Members | 
|---|
| annotations | Instance of __future__._Feature | 
  
  
 
  
    
    
      
    
    
  
       
    
    
  
  
  Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
  Last updated 2025-08-14 UTC.
  
  
  
    
      [[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14 UTC."],[],[]]