Commit f0432ac5 authored by Nguyen, Thien Minh's avatar Nguyen, Thien Minh
Browse files

Fixes a bug when compiling with AppleClang 



LLVM doesn't gracefully handle 0/0 as gcc :(

Also, using std::map for PauliOp::terms (XACC update)

Signed-off-by: default avatarThien Nguyen <nguyentm@ornl.gov>
parent 7ca4bdbe

lib/quasimo/impls/cost_evaluator/time_series_iqpe.cpp

+2 −1
Original line number Diff line number Diff line
@@ -291,7 +291,8 @@ double PhaseEstimationObjFuncEval::evaluate( 
    for (const auto &[ampl, phase] : pronyFit) {

      const double freq = -std::arg(phase) * SAMPLING_FREQ;

      // Normalize

      const double amplitude = std::abs(ampl) / sumA;

      const bool isZeroOverZero = (std::abs(sumA) < 1e-12) && (std::abs(ampl) < 1e-12);

      const double amplitude = isZeroOverZero ? 1.0 : std::abs(ampl) / sumA;

      xacc::info("A = " + std::to_string(amplitude) +

                 "; Freq = " + std::to_string(freq));

      // Generic expectation value estimation (Eq. 22)

runtime/qrt/impls/nisq/nisq_qrt.cpp

+1 −1
Original line number Diff line number Diff line
@@ -144,7 +144,7 @@ class NISQ : public ::quantum::QuantumRuntime { 


  void exp(qreg q, const double theta,

           std::shared_ptr<xacc::Observable> Hptr_input) override {

    std::unordered_map<std::string, xacc::quantum::Term> terms;

    std::map<std::string, xacc::quantum::Term> terms;



    auto obs_str = Hptr_input->toString();

    auto fermi_to_pauli = xacc::getService<xacc::ObservableTransform>("jw");