Functions
double	_dfmin (double a, double b, double(*f)(double), double tol)
	Minimum of a single variable general nonlinear function

void	_dfmin_r (double a, double b, double tol, double xx, double yy, int irev)
	Minimum of a single variable general nonlinear function (reverse communication version)

void	_optif0 (int n, double x[], void(fcn)(int, double , double ), double xpls[], double fpls, double work[], int lwork, int *info)
	Minimum of a multivariable nonlinear function (quasi-Newton method) (simple driver)

void	_optif0_r (int n, double x[], double xpls[], double fpls, double work[], int lwork, int info, double xx[], double yy, int *irev)
	Minimum of a multivariable nonlinear function (quasi-Newton method) (simple driver) (reverse communication version)

Detailed Description

This is the group of G. Optimization.

Functions