166 getWeight(getIsoParametricCoord(meshGeometry,tetrahedronCell,point),weights);
167 return ( -1.E-5 < weights[0] && weights[0] < 1 + 1.E-5 &&
168 -1.E-5 < weights[1] && weights[1] < 1 + 1.E-5 &&
169 -1.E-5 < weights[2] && weights[2] < 1 + 1.E-5 &&
170 -1.E-5 < weights[3] && weights[3] < 1 + 1.E-5);