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PDF renderer implementation supporting the subset of PDF 1.4 specification.

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package org.openpdf.renderer.function.postscript.operation;

import java.util.Stack;


final class Ln implements PostScriptOperation {
	@Override
	/**
	 * num ln real 
	 *
	 * returns the natural logarithm (base e) of num.
	 * The result is a real number. 

	 *
	 * errors: rangecheck, stackunderflow, typecheck
	 */
	public void eval(Stack