NLopt Deprecated API Reference
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NLopt is a library, not a stand-alone program—it is designed to be called from your own program in C, C++, Fortran, Matlab, GNU Octave, or other languages. This reference section describes the programming interface (API) of NLopt.
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Linking your program to NLopt
For programs in compiled languages like C or Fortran, when you compile your program you will have to link it to the NLopt library. This is in addition to including the header file (#include <nlopt.h> in C/C++). On Unix, you would normally link with a command something like:
compiler ...source/object files... -lnlopt -lm -o myprogram
where compiler is cc, f77, g++, or whatever is appropriate for your machine/language.
Note: the -lnlopt -lm options, which link to the NLopt library (and the math library, which it requires), must come after your source/object files. In general, the rule is that if A depends upon B, then B must come after A in the link command.
Note: the above example assumes that you have installed the NLopt library in a place where the compiler knows to find it (e.g. in a standard directory like /usr/lib or /usr/local/lib). If you installed somewhere else (e.g. in your home directory if you are not a system administrator), then you will need to use a -L flag to tell the compiler where to find the library. See the installation manual.
