git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@7003 f3b2605a-c512-4ea7-a41b-209d697bcdaa
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@ -27,13 +27,13 @@ using namespace LAMMPS_NS;
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FixPlaneForce::FixPlaneForce(LAMMPS *lmp, int narg, char **arg) :
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Fix(lmp, narg, arg)
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{
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if (narg != 6) error->all("Illegal fix planeforce command");
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if (narg != 6) error->all(FLERR,"Illegal fix planeforce command");
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xdir = atof(arg[3]);
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ydir = atof(arg[4]);
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zdir = atof(arg[5]);
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double len = sqrt(xdir*xdir + ydir*ydir + zdir*zdir);
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if (len == 0.0) error->all("Illegal fix planeforce command");
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if (len == 0.0) error->all(FLERR,"Illegal fix planeforce command");
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xdir /= len;
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ydir /= len;
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