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[gromacs.git] / src / gromacs / mdtypes / interaction_const.cpp
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35 #include "gmxpre.h"
37 #include "interaction_const.h"
39 #include <cstdio>
41 #include "gromacs/math/functions.h"
42 #include "gromacs/mdtypes/inputrec.h"
44 interaction_const_t::SoftCoreParameters::SoftCoreParameters(const t_lambda& fepvals) :
45 alphaVdw(fepvals.sc_alpha),
46 alphaCoulomb(fepvals.bScCoul ? fepvals.sc_alpha : 0),
47 lambdaPower(fepvals.sc_power),
48 sigma6WithInvalidSigma(gmx::power6(fepvals.sc_sigma)),
49 sigma6Minimum(fepvals.bScCoul ? gmx::power6(fepvals.sc_sigma_min) : 0)
51 // This is checked during tpr reading, so we can assert here
52 GMX_RELEASE_ASSERT(fepvals.sc_r_power == 6.0, "We only support soft-core r-power 6");