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## igeo
Interface IFunction

All Known Implementing Classes:
  IBSplineBasisFunction.IBSplineBasisSubFunction, IPiecewiseFunction, IPiecewisePolynomialFunction, IPolynomialFunction

    public interface IFunction

Abstract interface to define a function to output 1 dimensional value taking input of 1 dimensional value.

Method Summary
`IFunction` | `dup()`
`double` | `eval(double x)`

Method Detail

### dup

    IFunction dup()

### eval

    double eval(double x)

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