[kernel] fix w.r.t changes in numerics
[kernel] fix w.r.t changes in numerics

radarsat1/siconos,siconos/siconos,radarsat1/siconos,bremond/siconos,radarsat1/siconos,radarsat1/siconos,bremond/siconos,radarsat1/siconos,fperignon/siconos,siconos/siconos,bremond/siconos,fperignon/siconos,siconos/siconos,fperignon/siconos,fperignon/siconos,bremond/siconos,fperignon/siconos,bremond/siconos,siconos/siconos