solution_classes.py 文件源码

def distinct(self):
        b = np.ascontiguousarray(self.solutions).view(np.dtype((np.void, self.solutions.dtype.itemsize * self.P)))
        _, unique_ind = np.unique(b, return_index = True)
        unique_ind = np.sort(unique_ind)
        new = self.copy()
        new.objvals = self.objvals[unique_ind]
        new.solutions = self.solutions[unique_ind]
        return new