# | Line 55 | Line 55 | class Bond { | |
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55 | ||
56 | force = r12 * (-dvdr / len); | |
57 | ||
58 | < | atom1_->addFrc(force); |
59 | < | atom2_->addFrc(-force); |
58 | > | atom1_->addFrc(-force); |
59 | > | atom2_->addFrc(force); |
60 | } | |
61 | ||
62 | double getPotential() { |
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