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| 1 | +# Copyright (c) 2018 luozhouyang |
| 2 | +# |
| 3 | +# Permission is hereby granted, free of charge, to any person obtaining a copy |
| 4 | +# of this software and associated documentation files (the "Software"), to deal |
| 5 | +# in the Software without restriction, including without limitation the rights |
| 6 | +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 7 | +# copies of the Software, and to permit persons to whom the Software is |
| 8 | +# furnished to do so, subject to the following conditions: |
| 9 | +# |
| 10 | +# The above copyright notice and this permission notice shall be included in all |
| 11 | +# copies or substantial portions of the Software. |
| 12 | +# |
| 13 | +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 14 | +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 15 | +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 16 | +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 17 | +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 18 | +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 19 | +# SOFTWARE. |
| 20 | + |
1 | 21 | import math |
2 | 22 |
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3 | 23 | from .shingle_based import ShingleBased |
@@ -26,11 +46,11 @@ def similarity(self, s0, s1): |
26 | 46 | profile0 = self.get_profile(s0) |
27 | 47 | profile1 = self.get_profile(s1) |
28 | 48 | return self._dot_product(profile0, profile1) / ( |
29 | | - self._norm(profile0) * self._norm(profile1)) |
| 49 | + self._norm(profile0) * self._norm(profile1)) |
30 | 50 |
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31 | 51 | def similarity_profiles(self, profile0, profile1): |
32 | 52 | return self._dot_product(profile0, profile1) / ( |
33 | | - self._norm(profile0) * self._norm(profile1)) |
| 53 | + self._norm(profile0) * self._norm(profile1)) |
34 | 54 |
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35 | 55 | @staticmethod |
36 | 56 | def _dot_product(profile0, profile1): |
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