Reference

Package
itp-package	itp: The Interpolate, Truncate, Project (ITP) Root-Finding Algorithm
ITP root-finding algorithm
itp()	The ITP root-finding algorithm
itp_c()	The ITP root-finding algorithm using C++
External C++ pointers
xptr_create()	Create an external pointer to a C++ function
xptr_eval()	Call a C++ function using an external pointer
Generics
plot(<itp>)	Plot method for objects of class "itp"
print(<itp>)	Print method for objects of class "itp"