root [0] .x ./FindAllRoots.C+ Info in : creating shared library /tmp/root/././FindAllRoots_C.so /tmp/root/././FindAllRoots.C:63: warning: unused parameter ‘par’ start =-50 end =50 We have 12 pulses: 0.0501521 18.0893 3.17979 0.455759 22.5955 2.94103 0.588526 3.97947 2.89036 0.281132 14.0502 2.73474 0.266001 21.5471 2.96411 0.240895 13.6279 3.74302 0.513457 12.9057 3.60065 0.27211 12.8737 3.49963 0.137559 13.7499 3.02835 0.290025 12.2032 3.12386 0.253467 6.96848 2.70766 0.13334 23.9064 3.04285 : created default TCanvas with name c1 (0) start=-50 end=50 root=9.43264 Error in : Error 12 in steffenson.c at 94 : derivative is zero (1) start=-50 end=9.43264 Error solving for roots - status 12 (1) start=9.43264 end=50 root=9.43264 Found 2 roots:9.43264 9.43264