BIP mapping pass

azure-pipelines.yml

@@ -189,7 +189,7 @@ stages:
             pip install -U -r requirements.txt -r requirements-dev.txt -c constraints.txt
             python setup.py sdist
             pip install -U -c constraints.txt dist/qiskit-terra*.tar.gz
-            pip install -U "qiskit-aer" "z3-solver" -c constraints.txt
+            pip install -U "cplex" "qiskit-aer" "z3-solver" -c constraints.txt
             mkdir -p /tmp/terra-tests
             cp -r test /tmp/terra-tests/.
             cp .stestr.conf /tmp/terra-tests/.

qiskit/transpiler/passes/__init__.py

@@ -44,6 +44,7 @@
    LookaheadSwap
    StochasticSwap
    SabreSwap
+   BIPMapping
 
 Basis Change
 ============
@@ -144,6 +145,7 @@
 from .routing import LookaheadSwap
 from .routing import StochasticSwap
 from .routing import SabreSwap
+from .routing import BIPMapping
 
 # basis change
 from .basis import Decompose

qiskit/transpiler/passes/routing/__init__.py

@@ -17,3 +17,4 @@
 from .lookahead_swap import LookaheadSwap
 from .stochastic_swap import StochasticSwap
 from .sabre_swap import SabreSwap
+from .bip_mapping import BIPMapping