Improved the way body inertia moments are checked if they are zero when... (093f9817) · Commits · 郑智淋 / lammps

src/math_extra.cpp

+2 −2

Original line number	Original line	Diff line number	Diff line
	@@ -258,8 +258,8 @@ void no_squish_rotate(int k, double p, double q, double *inertia,
	// obtain phi, cosines and sines		// obtain phi, cosines and sines

	phi = p[0]kq[0] + p[1]kq[1] + p[2]kq[2] + p[3]kq[3];		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;		phi /= (4.0 * inertia[k-1]);
	else phi /= 4.0 * inertia[k-1];		if (!std::isfinite(phi)) phi = 0.0;
	c_phi = cos(dt * phi);		c_phi = cos(dt * phi);
	s_phi = sin(dt * phi);		s_phi = sin(dt * phi);