def ca2midpt(*args): return _Serre3.ca2midpt(*args)
def ca2midpt(qa, qabeg, qaend, dx, n, qm): return _Serre3.ca2midpt(qa, qabeg, qaend, dx, n, qm)
def ca2midpt(qa, dx, n, qm): return _Serre3.ca2midpt(qa, dx, n, qm)