1 | #
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2 | # MoleCuilder - creates and alters molecular systems
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3 | # Copyright (C) 2013 Frederik Heber
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4 | #
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5 | # This program is free software: you can redistribute it and/or modify
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6 | # it under the terms of the GNU General Public License as published by
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7 | # the Free Software Foundation, either version 3 of the License, or
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8 | # (at your option) any later version.
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9 | #
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10 | # This program is distributed in the hope that it will be useful,
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11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | # GNU General Public License for more details.
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14 | #
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15 | # You should have received a copy of the GNU General Public License
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16 | # along with this program. If not, see <http://www.gnu.org/licenses/>.
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17 | #
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18 | ### fit partial particle charges
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19 |
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20 | # the potential has been generated by:
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21 | # ./molecuilder -i pre/water.pdb --center-in-box "8,0,8,0,0,8" --select-all-atoms --fragment-molecule BondFragment --distance 2 --order 1 --fragment-automation --server-address 127.0.0.1 --server-port 1026 --DoLongrange 1 --grid 4 --DoPrintDebug 1 --DoValenceOnly 0 --analyse-fragment-results --store-grids 1 --save-homologies homology_grid_4_full.dat
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22 |
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23 | AT_SETUP([Potential - Fit partial charges to water])
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24 | AT_KEYWORDS([potential parse-homologies fit-partial-charges save-particle-parameters])
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25 | AT_SKIP_IF([../../molecuilder --help fit-partial-charges; if test $? -eq 5; then /bin/true; else /bin/false; fi])
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26 |
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27 | # homology file created with water.pdb and as follows:
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28 | # molecuilder -i water.pdb --select-all-atoms --fragment-molecule --distance 2 --order 1 --fragment-automation --server-address 127.0.0.1 --server-port 1026 --DoLongrange 1 --grid 5 --store-grids 1 --analyse-fragment-results --save-homologies homology_grid.dat
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29 | file=homology_grid.dat
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30 | AT_CHECK([/bin/cp -f ${abs_top_srcdir}/tests/regression/Potential/FitPartialCharges/pre/$file $file], 0)
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31 | AT_CHECK([chmod u+w $file], 0, [ignore], [ignore])
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32 | AT_CHECK([../../molecuilder --parse-homologies $file --fit-partial-charges --fragment-charges 8 1 1 --radius 1.5 --save-particle-parameters water.particles], 0, [stdout], [ignore])
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33 | # check that L_2 error is below 1e-6
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34 | AT_CHECK([grep "L2-Norm" stdout | awk '{if ($6 > 1e1) exit 1}'], 0, [ignore], [ignore])
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35 | AT_CHECK([grep "L1-Norm" stdout | awk '{if ($6 > 1e0) exit 1}'], 0, [ignore], [ignore])
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36 | AT_CHECK([grep "We have fitted the following charges ( -0.73.*; 0.36.*; 0.36.*; )." stdout], 0, [ignore], [ignore])
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37 | AT_CHECK([diff water.particles ${abs_top_srcdir}/tests/regression/Potential/FitPartialCharges/post/water.particles], 0)
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38 |
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39 | AT_CLEANUP
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