/home/fmusial/MD_Benchmarks/simulation.cpp: 341 - 344
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341:     for (int i = 0; i < NUM_PARTICLES; ++i) {
342:         particles.vx[i] += 0.5 * DT * particles.fx[i];
343:         particles.vy[i] += 0.5 * DT * particles.fy[i];
344:         particles.vz[i] += 0.5 * DT * particles.fz[i];