[numerics] rename function with consistent prefix
[numerics] rename function with consistent prefix

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