attempt to convince python to use bbw from main lib

Former-commit-id: 5c602c66bd

python/py_igl/py_bbw.cpp

@@ -0,0 +1,32 @@
+// Wrap the BBWData class
+py::class_<iglData > BBWData(m, "BBWData");
+
+BBWData
+.def(py::init<>())
+.def_readwrite("partition_unity", &iglData::partition_unity)
+.def_readwrite("W0", &iglData::W0)
+.def_readwrite("active_set_params", &iglData::active_set_params)
+.def_readwrite("verbosity", &iglData::verbosity)
+.def("print", [](iglData& data)
+{
+    return data.print();
+})
+;
+
+m.def("bbw", []
+(
+  const Eigen::MatrixXd& V,
+  const Eigen::MatrixXi& Ele,
+  const Eigen::MatrixXi& b,
+  const Eigen::MatrixXd& bc,
+  iglData& data,
+  Eigen::MatrixXd& W
+)
+{
+  assert_is_VectorX("b",b);
+  Eigen::VectorXi bv;
+  if (b.size() != 0)
+    bv = b;
+  return igl(V, Ele, bv, bc, data, W);
+}, __doc_igl_bbw,
+py::arg("V"), py::arg("Ele"), py::arg("b"), py::arg("bc"), py::arg("data"), py::arg("W"));