Issues

• Arithmetic cleanup and protocol-based interfaces

  enhancement
  Epic

  Quantinuum/guppyalgos#82 · Filter by author NathanCQC opened on Oct 8, 2026
  

• General block encoding abstraction

  enhancement
  Epic

  Quantinuum/guppyalgos#81 · Filter by author NathanCQC opened on Oct 8, 2026
  

• feat: add unitary modifier testing helper

  Quantinuum/guppyalgos#79 · Filter by author NathanCQC opened on Oct 7, 2026

• Cuccaro comparator panics at n = 1

  bug
  Quantinuum/guppyalgos#72 · Filter by author vvandaele opened on Oct 6, 2026
  

• Remove swap_inputs from arithmetic_demo.ipynb

  enhancement
  Quantinuum/guppyalgos#69 · Filter by author ChiaraLeadbeater opened on Oct 6, 2026
  

• Controlled Cuccaro adder daggers leave a relative phase at n = 2

  bug
  Quantinuum/guppyalgos#67 · Filter by author vvandaele opened on Oct 6, 2026
  

• Wrong ancilla offsets in the log-depth Toffoli ladder from 13 qubits

  bug
  Quantinuum/guppyalgos#65 · Filter by author vvandaele opened on Oct 6, 2026
  

• feat: generic multicontrol of a function

  Quantinuum/guppyalgos#64 · Filter by author NathanCQC opened on Oct 5, 2026
  1

  

• Refactor: Hamiltonian simulation custom modifiers

  Quantinuum/guppyalgos#62 · Filter by author Walden-Killick opened on Oct 1, 2026

• Refactor: custom modifiers for Pauli exp

  Quantinuum/guppyalgos#59 · Filter by author Walden-Killick opened on Oct 1, 2026
  

• Refactor the Cuccaro adder to use Toffoli ladders

  enhancement
  Quantinuum/guppyalgos#58 · Filter by author ChiaraLeadbeater opened on Oct 1, 2026

• Add controlled ripple-carry comparators

  enhancement
  Quantinuum/guppyalgos#57 · Filter by author ChiaraLeadbeater opened on Oct 1, 2026

• Add a Gidney ripple-carry comparator

  enhancement
  Quantinuum/guppyalgos#56 · Filter by author ChiaraLeadbeater opened on Oct 1, 2026

• Custom modifier for Hamiltonian simulation

  Quantinuum/guppyalgos#50 · Filter by author Walden-Killick opened on Sep 29, 2026

• Custom modifier for Pauli exponential

  Quantinuum/guppyalgos#49 · Filter by author Walden-Killick opened on Sep 29, 2026
  

• Multiplexed rotation

  enhancement
  Quantinuum/guppyalgos#48 · Filter by author Walden-Killick opened on Sep 29, 2026

• Mark GHZ as unitary

  enhancement
  Quantinuum/guppyalgos#40 · Filter by author bhayat-quantinuum opened on Sep 22, 2026

• Refactor Hamiltonian simulation

  Quantinuum/guppyalgos#38 · Filter by author Walden-Killick opened on Sep 22, 2026
  1

• QEVT implementation + algorithm optimisation research

  enhancement
  Quantinuum/guppyalgos#37 · Filter by author mtudorov-cqc opened on Sep 21, 2026

• feat: Implement HHL

  enhancement
  Feature

  Quantinuum/guppyalgos#22 · Filter by author NathanCQC opened on Sep 14, 2026
  

• Feat: parameterized arithmetic circuits

  Quantinuum/guppyalgos#12 · Filter by author Walden-Killick opened on Sep 11, 2026

• Feat: modular adder

  Quantinuum/guppyalgos#11 · Filter by author Walden-Killick opened on Sep 11, 2026

• Perf: optimize qubit count in multiplier

  Quantinuum/guppyalgos#9 · Filter by author Walden-Killick opened on Sep 11, 2026