Nodes of different colours represent the following:
Solid arrows point from a procedure to one which it calls. Dashed
arrows point from an interface to procedures which implement that interface.
This could include the module procedures in a generic interface or the
implementation in a submodule of an interface in a parent module.
pure function find(x,xvec)result(i)real(wp),intent(in)::xreal(wp),dimension(:),intent(in)::xvecinteger::ii=1do if(i>=size(xvec))exit if(x<=xvec(i+1))exiti=i+1end doend function find