#
# File:   test6.qasm
# Date:   22-Mar-04
# Author: I. Chuang <[email protected]>
#
# Sample qasm input file - demonstrate
# multiple-qubit controlled single-q-gates

       def     c-U,3,'U'

       qubit   j0
       qubit   j1
       qubit   j2
       qubit   j3

       toffoli j0,j1,j2
       X       j0
       c-U     j2,j3,j0,j1
       H       j2
       measure j3