-- File:	FunctionSample.cdl
-- Created:	Wed Jul 17 14:35:02 1991
-- Author:	Isabelle GRIGNON
--		<isg@topsn3>
---Copyright:	 Matra Datavision 1991


class FunctionSample from math 

	---Purpose: This class gives a default sample (constant difference
	--          of parameter) for a function defined between
	--          two bound A,B.

raises OutOfRange from Standard

is

    Create(A,B: Real; N: Integer)
    
    	returns FunctionSample from math;


    Bounds(me; A,B: out Real) is virtual;
    
	---Purpose: Returns the bounds of parameters.



    NbPoints(me)
    
	---Purpose: Returns the number of sample points.

    returns Integer
    is static;


    GetParameter(me; Index: Integer)
    
	---Purpose: Returns the value of parameter of the point of 
	--          range Index : A + ((Index-1)/(NbPoints-1))*B.
	--          An exception is raised if Index<=0 or Index>NbPoints.

    returns Real
    raises OutOfRange
    is virtual;



fields

    a: Real;
    b: Real;
    n: Integer;

end FunctionSample;