Functions
Sub	Dfmin (A As Double, B As Double, F As LongPtr, Tol As Double, X As Double)
	Minimum of a single variable general nonlinear function

Sub	Dfmin_r (A As Double, B As Double, Tol As Double, XX As Double, YY As Double, IRev As Long)
	Minimum of a single variable general nonlinear function (reverse communication version)

Sub	Optif0 (N As Long, X() As Double, F As LongPtr, Xpls() As Double, Fpls As Double, Info As Long)
	Minimum of a multivariable nonlinear function (quasi-Newton method) (simple driver)

Sub	Optif0_r (N As Long, X() As Double, Xpls() As Double, Fpls As Double, Info As Long, XX() As Double, YY As Double, IRev As Long)
	Minimum of a multivariable nonlinear function (quasi-Newton method) (simple driver) (reverse communication version)

Detailed Description

This is the group of G. Optimization.

Functions