Updating c implementation.
Adding cpp experiments.
Got C code working.
Tidied up dcsrch.
Removing isave and dsave arrays.
Tidying up docs.
Removing s_copy
Tidying docs.
Using std::string
Removing task_len
C++ifying test function.
All tables agree with More Thuente paper.
All tables agree with More Thuente paper.
Adding test output.
Removing max/min macros.
Removed f2c generated locals.
Consting function arguments.
Fixing test code.
Pre mash up commit.
Fixing function names.