struct QPanda::KakDescription

Kak description of an arbitrary two-qubit operation. U = g x (Gate A1 Gate A0) x exp(i(xXX + yYY + zZZ))x(Gate b1 Gate b0) A global phase factor Two single-qubit operations (before): Gate b0, b1 The Exp() circuit specified by 3 coefficients (x, y, z) Two single-qubit operations (after): Gate a0, a1.