Unverified Commit 814082a2 authored by Axel Kohlmeyer's avatar Axel Kohlmeyer Committed by GitHub
Browse files

Merge pull request #2105 from ndtrung81/rigid-nve-norot 

Fixed an issue with fix rigid/nve for bodies with very small values of inertia moments
parents 8409e9d2 fac89758

src/math_extra.cpp

+1 −1
Original line number Diff line number Diff line
@@ -258,7 +258,7 @@ void no_squish_rotate(int k, double *p, double *q, double *inertia, 
  // obtain phi, cosines and sines



  phi = p[0]*kq[0] + p[1]*kq[1] + p[2]*kq[2] + p[3]*kq[3];

  if (fabs(inertia[k-1]) < 1e-6) phi *= 0.0;

  if (inertia[k-1] == 0.0) phi = 0.0;

  else phi /= 4.0 * inertia[k-1];

  c_phi = cos(dt * phi);

  s_phi = sin(dt * phi);

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