# # File: test13.qasm # Date: 22-Mar-04 # Author: I. Chuang # # Sample qasm input file - three-qubit phase # estimation circuit with QFT and controlled-U defbox CU,3,1,'U' defbox CU2,3,1,'U^2' defbox CU4,3,1,'U^4' def c-S,1,'S' def c-T,1,'T' qubit j0,0 # QFT qubits qubit j1,0 qubit j2,0 qubit s0 # U qubits qubit s1 h j0 # equal superposition h j1 h j2 CU4 j0,s0,s1 # controlled-U CU2 j1,s0,s1 CU j2,s0,s1 h j0 # QFT c-S j0,j1 h j1 nop j0 c-T j0,j2 c-S j1,j2 h j2 nop j0 nop j0 nop j1 measure j0 # final measurement measure j1 measure j2