def abs__file__():
    for m in sys.modules.values():
        if hasattr(m, '__loader__'):
            continue   # don't mess with a PEP 302-supplied __file__
        try:
            m.__file__ = os.path.abspath(m.__file__)
        except AttributeError:
            continue
Checks if X = A'XA-(A'XB)(R+B'XB)^-1(B'XA)+Q) is true
dataset/ETHPy150Open deanhiller/databus/webapp/play1.3.x/python/Lib/site.py/abs__file__--crossover with--dataset/ETHPy150Open scipy/scipy/scipy/linalg/tests/test_solvers.py/TestSolveDiscreteARE.check_case