class linspace( """linspace(start, stop, num) -> linspace object Return a virtual sequence of num numbers from start to stop (inclusive). If you need a half-open range, use linspace(start, stop, num+1)[:-1]. """ def __init__(self, start, stop, num): if not isinstance(num, numbers.Integral) or num <= 1: raise ValueError('num must be an integer > 1') self.start, self.stop, self.num = start, stop, num self.step = (stop-start)/(num-1) def __len__(self): return self.num def __getitem__(self, i): if isinstance(i, slice): return [self[x] for x in range(*i.indices(len(self)))] if i < 0: i = self.num + i if i >= self.num: raise IndexError('linspace object index out of range') if i == self.num-1: return self.stop return self.start + i*self.step def __repr__(self): return '{}({}, {}, {})'.format(type(self).__name__, self.start, self.stop, self.num) def __eq__(self, other): if not isinstance(other, linspace): return False return ((self.start, self.stop, self.num) == (other.start, other.stop, other.num)) def __ne__(self, other): return not self==other def __hash__(self): return hash((type(self), self.start, self.stop, self.num))