def is_valid(self):
        return (len(self.source) == self.source_length and
                len(self.target) == self.target_length)
Compute Inverse Matrix.
dataset/ETHPy150Open matiasb/python-unidiff/unidiff/patch.py/Hunk.is_valid--crossover with--dataset/ETHPy150Open lebedov/scikit-cuda/skcuda/cula.py/culaDeviceSgetri