NPSI, IPSI

Number and labels of activated test functions for detecting homoclinic bifurcations, see Section 20.6 for a list. If a test function is activated then the corresponding parameter (IPSI(I)+20) must be added to the list of continuation parameters NICP,(ICP(I),I=1 NICP) and zero of this parameter added to the list of user-defined output points NUZR, (/,I,PAR(I)),I=1, NUZR in c.xxx.