1 | #
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2 | # MoleCuilder - creates and alters molecular systems
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3 | # Copyright (C) 2013 University of Bonn
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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 some potentials
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19 |
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20 | AT_SETUP([Fragmentation - Fit morse potential to water])
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21 | AT_KEYWORDS([fragmentation fit-potential morse])
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22 | AT_SKIP_IF([../../molecuilder --fit-potential; if test ! $? -eq 0; then /bin/true;fi])
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23 |
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24 | file=length_homology.dat
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25 | AT_CHECK([/bin/cp -f ${abs_top_srcdir}/tests/regression/Fragmentation/FitPotential/pre/$file $file], 0)
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26 | AT_CHECK([chmod u+w $file], 0, [ignore], [ignore])
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27 | AT_CHECK([../../molecuilder --fit-potential "morse" --homology-file $file --potential-charges 8 1 --fragment-charges 1 8 1 --take-best-of 5], 0, [stdout], [ignore])
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28 | # check that L_2 error is below 1e-6
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29 | AT_CHECK([grep "Best parameters with L2 error" stdout | awk '{if ($8 > 1e-6) exit 1}'], 0, [ignore], [ignore])
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30 | # check parameters to printed precision
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31 | AT_CHECK([grep "morse:.*particle_type1=8,.*particle_type2=1,.*spring_constant=1.2652,.*equilibrium_distance=1.78095,.*dissociation_energy=0.401285;" stdout], 0, [ignore], [ignore])
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32 |
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33 | AT_CLEANUP
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34 |
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35 | AT_SETUP([Fragmentation - Fit harmonic_angle potential to water])
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36 | AT_KEYWORDS([fragmentation fit-potential harmonic_angle])
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37 | AT_SKIP_IF([../../molecuilder --fit-potential; if test ! $? -eq 0; then /bin/true;fi])
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38 |
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39 | file=angle_homology.dat
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40 | AT_CHECK([/bin/cp -f ${abs_top_srcdir}/tests/regression/Fragmentation/FitPotential/pre/$file $file], 0)
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41 | AT_CHECK([chmod u+w $file], 0, [ignore], [ignore])
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42 | AT_CHECK([../../molecuilder --fit-potential "harmonic_angle" --homology-file $file --potential-charges 1 8 1 --fragment-charges 1 8 1 --take-best-of 5], 0, [stdout], [ignore])
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43 | # check that L_2 error is below 1e-6
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44 | AT_CHECK([grep "||e||_2:" stdout | awk '{if ($7 > 1e-6) exit 1}'], 0, [ignore], [ignore])
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45 | # check parameters to printed precision
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46 | AT_CHECK([grep "harmonic_angle:.*particle_type1=1,.*particle_type2=8,.*particle_type3=1,.*spring_constant=0.100497,.*equilibrium_distance=-0.274675;" stdout], 0, [ignore], [ignore])
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47 |
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48 | AT_CLEANUP
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