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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 Neg implements PostScriptOperation {
	@Override
	/**
	 * num1 neg num2 
	 *
	 * returns the negative of num1. The type of the result
	 * is the same as the type of num1 unless num1 is the
	 * smallest (most negative) integer, in which case the
	 * result is a real number. 

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