org.esa.beam.util.math
Interface FX

public interface FX

Represents a function f(x).

Version:

$Revision$ $Date$

Author:

Norman Fomferra

Field Summary

static FX	ONE The function f(x) = 1
static FX	X The function f(x) = x
static FX	XX The function f(x) = x 2
static FX	XXX The function f(x) = x 3
static FX	XXXX The function f(x) = x 4

Method Summary

double	f(double x) The function y = f(x)
String	getCCodeExpr() Returns the function as C code expression, e.g.

Field Detail

XXXX

static final FX XXXX

The function f(x) = x ⁴

XXX

static final FX XXX

The function f(x) = x ³

XX

static final FX XX

The function f(x) = x ²

X

static final FX X

The function f(x) = x

ONE

static final FX ONE

The function f(x) = 1

Method Detail

f

double f(double x)

The function y = f(x)

Parameters:

x - the x parameter

Returns:

y

getCCodeExpr

String getCCodeExpr()

Returns the function as C code expression, e.g. "pow(x, 3) * y"

Returns:

the C code