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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/>. 

# 

 

import unittest 

 

import numpy as np 

 

import lsst.utils.tests 

from lsst.geom import LinearTransform, AffineTransform, Point2D, Extent2D 

 

 

class TransformTests: 

 

def testVectorization(self): 

x1 = np.random.randn(4, 3) 

y1 = np.random.randn(4, 3) 

x2, y2 = self.transform(x1, y1) 

self.assertEqual(x1.shape, x2.shape) 

self.assertEqual(x2.shape, y2.shape) 

for i in range(4): 

for j in range(3): 

x3, y3 = self.transform(Point2D(x1[i, j], y1[i, j])) 

self.assertEqual(x3, x2[i, j]) 

self.assertEqual(y3, y2[i, j]) 

 

 

class LinearTransformTestCase(lsst.utils.tests.TestCase, TransformTests): 

 

def setUp(self): 

np.random.seed(5) 

matrix = np.random.randn(2, 2) 

self.transform = LinearTransform(matrix) 

 

 

class AffineTransformTestCase(lsst.utils.tests.TestCase, TransformTests): 

 

def setUp(self): 

np.random.seed(6) 

matrix = np.random.randn(2, 2) 

vector = np.random.randn(2) 

self.transform = AffineTransform(LinearTransform(matrix), Extent2D(vector)) 

 

 

class MemoryTester(lsst.utils.tests.MemoryTestCase): 

pass 

 

 

def setup_module(module): 

lsst.utils.tests.init() 

 

 

70 ↛ 71line 70 didn't jump to line 71, because the condition on line 70 was never trueif __name__ == "__main__": 

lsst.utils.tests.init() 

unittest.main()