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# 

# Developed for the LSST Data Management System. 

# This product includes software developed by the LSST Project 

# (https://www.lsst.org). 

# See the COPYRIGHT file at the top-level directory of this distribution 

# for details of code ownership. 

# 

# This program is free software: you can redistribute it and/or modify 

# it under the terms of the GNU General Public License as published by 

# the Free Software Foundation, either version 3 of the License, or 

# (at your option) any later version. 

# 

# This program is distributed in the hope that it will be useful, 

# but WITHOUT ANY WARRANTY; without even the implied warranty of 

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

# GNU General Public License for more details. 

# 

# You should have received a copy of the GNU General Public License 

# along with this program. If not, see <https://www.gnu.org/licenses/>. 

# 

 

__all__ = ["IntervalI"] 

 

import numpy as np 

 

from lsst.utils import continueClass 

from ._geom import IntervalI 

 

 

@continueClass # noqa: F811 

class IntervalI: 

 

def range(self): 

"""Return a `range` object containing all points in the interval. 

 

Returns 

------- 

range : `range` 

Range instance that can be used to iterate over all points in the 

interval. 

""" 

return range(self.begin, self.end) 

 

def arange(self, dtype=np.int32): 

"""Return an array containing all points in the interval. 

 

Parameters 

---------- 

dtype : convertible to `numpy.dtype` 

The data type of the returned arrays. 

 

Returns 

------- 

points : `numpy.ndarray` 

1-d array with `size == self.size` containing points. 

""" 

return np.arange(self.begin, self.end, 1, dtype=dtype) 

 

def slice(self): 

"""Return a `slice` object corresponding to the interval's points. 

 

Returns 

------- 

slice : `slice` 

Slice instance that can be used to select the elements of a 

container that correspond to the points in the interval. 

""" 

return slice(self.begin, self.end, None)