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Merge pull request #351 from timattox/USER-DPD_pair_exp6_bugfix 

USER-DPD: Possible uninitialized variable in pair_exp6_rx.cpp bugfix.
This commit is contained in:
sjplimp 2017-01-26 13:45:45 -07:00 committed by GitHub
parent caea8973a3 c8260af37c
commit a5ff35435a
1 changed files with 33 additions and 26 deletions
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59
src/USER-DPD/pair_exp6_rx.cpp
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@ -297,6 +297,13 @@ void PairExp6rx::compute(int eflag, int vflag)
rm21_ij = 0.5*(rm2_i + rm1_j);
epsilon21_ij = sqrt(epsilon2_i*epsilon1_j);
evdwlOldEXP6_12 = 0.0;
evdwlOldEXP6_21 = 0.0;
evdwlEXP6_12 = 0.0;
evdwlEXP6_21 = 0.0;
fpairOldEXP6_12 = 0.0;
fpairOldEXP6_21 = 0.0;
if(rmOld12_ij!=0.0 && rmOld21_ij!=0.0){
if(alphaOld21_ij == 6.0 || alphaOld12_ij == 6.0)
error->all(FLERR,"alpha_ij is 6.0 in pair exp6");
@ -459,33 +466,33 @@ void PairExp6rx::compute(int eflag, int vflag)
} else {
evdwlEXP6_21 = buck1*(6.0*rexp - alpha21_ij*rm6ij*r6inv) - urc - durc*(r-rCut);
}
//
// Apply Mixing Rule to get the overall force for the CG pair
//
if (isite1 == isite2) fpair = sqrt(mixWtSite1old_i*mixWtSite2old_j)*fpairOldEXP6_12;
else fpair = sqrt(mixWtSite1old_i*mixWtSite2old_j)*fpairOldEXP6_12 + sqrt(mixWtSite2old_i*mixWtSite1old_j)*fpairOldEXP6_21;
f[i][0] += delx*fpair;
f[i][1] += dely*fpair;
f[i][2] += delz*fpair;
if (newton_pair || j < nlocal) {
f[j][0] -= delx*fpair;
f[j][1] -= dely*fpair;
f[j][2] -= delz*fpair;
}
if (isite1 == isite2) evdwl = sqrt(mixWtSite1_i*mixWtSite2_j)*evdwlEXP6_12;
else evdwl = sqrt(mixWtSite1_i*mixWtSite2_j)*evdwlEXP6_12 + sqrt(mixWtSite2_i*mixWtSite1_j)*evdwlEXP6_21;
evdwl *= factor_lj;
uCGnew[i] += 0.5*evdwl;
if (newton_pair || j < nlocal)
uCGnew[j] += 0.5*evdwl;
evdwl = evdwlOld;
if (evflag) ev_tally(i,j,nlocal,newton_pair,
evdwl,0.0,fpair,delx,dely,delz);
}
//
// Apply Mixing Rule to get the overall force for the CG pair
//
if (isite1 == isite2) fpair = sqrt(mixWtSite1old_i*mixWtSite2old_j)*fpairOldEXP6_12;
else fpair = sqrt(mixWtSite1old_i*mixWtSite2old_j)*fpairOldEXP6_12 + sqrt(mixWtSite2old_i*mixWtSite1old_j)*fpairOldEXP6_21;
f[i][0] += delx*fpair;
f[i][1] += dely*fpair;
f[i][2] += delz*fpair;
if (newton_pair || j < nlocal) {
f[j][0] -= delx*fpair;
f[j][1] -= dely*fpair;
f[j][2] -= delz*fpair;
}
if (isite1 == isite2) evdwl = sqrt(mixWtSite1_i*mixWtSite2_j)*evdwlEXP6_12;
else evdwl = sqrt(mixWtSite1_i*mixWtSite2_j)*evdwlEXP6_12 + sqrt(mixWtSite2_i*mixWtSite1_j)*evdwlEXP6_21;
evdwl *= factor_lj;
uCGnew[i] += 0.5*evdwl;
if (newton_pair || j < nlocal)
uCGnew[j] += 0.5*evdwl;
evdwl = evdwlOld;
if (evflag) ev_tally(i,j,nlocal,newton_pair,
evdwl,0.0,fpair,delx,dely,delz);
}
}
}