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#
# File: test13.qasm
# Date: 22-Mar-04
# Author: I. Chuang <ichuang@mit.edu>
#
# 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
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