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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 Add implements PostScriptOperation {
	@Override
	/**
	 * num1 num2 add sum 
	 *
	 * If both operands are integers and the result is
	 * within integer range, the result is an integer;
	 * otherwise, the result is a real number.

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