You must supply this method to calculate the value of the function Fx at any point x in a,b. It should be tested separately before being used in conjunction with e04ab.

Syntax

C#
public delegate void E04AB_FUNCT(
	double xc,
	out double fc
)
Visual Basic
Public Delegate Sub E04AB_FUNCT ( _
	xc As Double, _
	<OutAttribute> ByRef fc As Double _
)
Visual C++
public delegate void E04AB_FUNCT(
	double xc, 
	[OutAttribute] double% fc
)
F#
type E04AB_FUNCT = 
    delegate of 
        xc : float * 
        fc : float byref -> unit

Parameters

xc
Type: System..::..Double
On entry: the point x at which the value of F is required.
fc
Type: System..::..Double%
On exit: must be set to the value of the function F at the current point x.

See Also