[ecc58e72] | 1 | """ |
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| 2 | Test for the BaseComponent.evalDistribution |
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| 3 | See method documentation for more details |
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| 4 | """ |
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| 5 | import unittest |
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| 6 | import numpy, math |
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| 7 | from sans.models.SphereModel import SphereModel |
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| 8 | from sans.models.Cos import Cos |
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| 9 | |
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| 10 | |
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| 11 | class TestEvalPythonMethods(unittest.TestCase): |
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| 12 | """ Testing evalDistribution for pure python models """ |
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| 13 | |
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| 14 | def setUp(self): |
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| 15 | self.model= Cos() |
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| 16 | |
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| 17 | def test_scalar_methods(self): |
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| 18 | """ |
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| 19 | Simple test comparing the run(), runXY() and |
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| 20 | evalDistribution methods |
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| 21 | """ |
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| 22 | q1 = self.model.run(0.001) |
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| 23 | q2 = self.model.runXY(0.001) |
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| 24 | qlist3 = numpy.asarray([0.001, 0.002]) |
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| 25 | q3 = self.model.evalDistribution(qlist3) |
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| 26 | q4 = self.model.run(0.002) |
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| 27 | |
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| 28 | self.assertEqual(q1, q2) |
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| 29 | self.assertEqual(q1, q3[0]) |
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| 30 | self.assertEqual(q4, q3[1]) |
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| 31 | |
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| 32 | def test_XY_methods(self): |
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| 33 | """ |
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| 34 | Compare to the runXY() method for 2D models. |
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| 35 | |
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| 36 | +--------+--------+--------+ |
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| 37 | qy=0.009 | | | | |
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| 38 | +--------+--------+--------+ |
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| 39 | qy-0.006 | | | | |
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| 40 | +--------+--------+--------+ |
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| 41 | qy=0.003 | | | | |
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| 42 | +--------+--------+--------+ |
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| 43 | qx=0.001 0.002 0.003 |
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| 44 | |
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| 45 | """ |
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| 46 | # These are the expected values for all bins |
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| 47 | expected = numpy.zeros([3,3]) |
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| 48 | for i in range(3): |
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| 49 | for j in range(3): |
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| 50 | q_length = math.sqrt( (0.001*(i+1.0))*(0.001*(i+1.0)) + (0.003*(j+1.0))*(0.003*(j+1.0)) ) |
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| 51 | expected[i][j] = self.model.run(q_length) |
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| 52 | |
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| 53 | qx_values = [0.001, 0.002, 0.003] |
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| 54 | qy_values = [0.003, 0.006, 0.009] |
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| 55 | |
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| 56 | qx = numpy.asarray(qx_values) |
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| 57 | qy = numpy.asarray(qy_values) |
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| 58 | |
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| 59 | qx_prime = numpy.reshape(qx, [3,1]) |
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| 60 | qy_prime = numpy.reshape(qy, [1,3]) |
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| 61 | |
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| 62 | iq = self.model.evalDistribution([qx_prime, qy_prime]) |
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| 63 | |
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| 64 | for i in range(3): |
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| 65 | for j in range(3): |
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| 66 | self.assertAlmostEquals(iq[i][j], expected[i][j]) |
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| 67 | |
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| 68 | def test_rectangle_methods(self): |
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| 69 | """ |
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| 70 | Compare to the runXY() method for 2D models |
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| 71 | with a non-square matrix. |
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| 72 | TODO: Doesn't work for C models apparently |
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| 73 | |
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| 74 | +--------+--------+--------+ |
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| 75 | qy-0.006 | | | | |
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| 76 | +--------+--------+--------+ |
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| 77 | qy=0.003 | | | | |
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| 78 | +--------+--------+--------+ |
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| 79 | qx=0.001 0.002 0.003 |
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| 80 | |
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| 81 | """ |
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| 82 | # These are the expected values for all bins |
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| 83 | expected = numpy.zeros([3,3]) |
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| 84 | for i in range(3): |
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| 85 | for j in range(2): |
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| 86 | q_length = math.sqrt( (0.001*(i+1.0))*(0.001*(i+1.0)) + (0.003*(j+1.0))*(0.003*(j+1.0)) ) |
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| 87 | expected[i][j] = self.model.run(q_length) |
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| 88 | |
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| 89 | qx_values = [0.001, 0.002, 0.003] |
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| 90 | qy_values = [0.003, 0.006] |
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| 91 | |
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| 92 | qx = numpy.asarray(qx_values) |
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| 93 | qy = numpy.asarray(qy_values) |
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| 94 | |
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| 95 | qx_prime = numpy.reshape(qx, [3,1]) |
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| 96 | qy_prime = numpy.reshape(qy, [1,2]) |
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| 97 | |
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| 98 | iq = self.model.evalDistribution([qx_prime, qy_prime]) |
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| 99 | |
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| 100 | for i in range(3): |
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| 101 | for j in range(2): |
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| 102 | self.assertAlmostEquals(iq[i][j], expected[i][j]) |
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| 103 | |
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| 104 | |
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| 105 | |
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| 106 | class TestEvalMethods(unittest.TestCase): |
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| 107 | """ Testing evalDistribution for C models """ |
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| 108 | |
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| 109 | def setUp(self): |
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| 110 | self.model= SphereModel() |
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| 111 | |
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| 112 | def test_scalar_methods(self): |
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| 113 | """ |
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| 114 | Simple test comparing the run(), runXY() and |
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| 115 | evalDistribution methods |
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| 116 | """ |
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| 117 | q1 = self.model.run(0.001) |
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| 118 | q2 = self.model.runXY(0.001) |
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| 119 | q4 = self.model.run(0.002) |
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| 120 | qlist3 = numpy.asarray([0.001, 0.002]) |
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| 121 | q3 = self.model.evalDistribution(qlist3) |
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| 122 | |
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| 123 | self.assertEqual(q1, q2) |
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| 124 | self.assertEqual(q1, q3[0]) |
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| 125 | self.assertEqual(q4, q3[1]) |
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| 126 | |
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| 127 | def test_XY_methods(self): |
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| 128 | """ |
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| 129 | Compare to the runXY() method for 2D models. |
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| 130 | |
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| 131 | +--------+--------+--------+ |
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| 132 | qy=0.009 | | | | |
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| 133 | +--------+--------+--------+ |
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| 134 | qy-0.006 | | | | |
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| 135 | +--------+--------+--------+ |
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| 136 | qy=0.003 | | | | |
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| 137 | +--------+--------+--------+ |
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| 138 | qx=0.001 0.002 0.003 |
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| 139 | |
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| 140 | """ |
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| 141 | # These are the expected values for all bins |
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| 142 | expected = numpy.zeros([3,3]) |
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| 143 | for i in range(3): |
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| 144 | for j in range(3): |
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| 145 | q_length = math.sqrt( (0.001*(i+1.0))*(0.001*(i+1.0)) + (0.003*(j+1.0))*(0.003*(j+1.0)) ) |
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| 146 | expected[i][j] = self.model.run(q_length) |
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| 147 | |
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| 148 | qx_values = [0.001, 0.002, 0.003] |
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| 149 | qy_values = [0.003, 0.006, 0.009] |
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| 150 | |
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| 151 | qx = numpy.asarray(qx_values) |
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| 152 | qy = numpy.asarray(qy_values) |
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| 153 | |
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| 154 | qx_prime = numpy.reshape(qx, [3,1]) |
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| 155 | qy_prime = numpy.reshape(qy, [1,3]) |
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| 156 | |
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| 157 | iq = self.model.evalDistribution([qx_prime, qy_prime]) |
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| 158 | |
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| 159 | for i in range(3): |
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| 160 | for j in range(3): |
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| 161 | self.assertAlmostEquals(iq[i][j], expected[i][j]) |
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| 162 | |
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| 163 | |
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| 164 | if __name__ == '__main__': |
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| 165 | unittest.main() |
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