/* * This file is part of LaTeXDraw. * Copyright (c) 2005-2017 Arnaud BLOUIN * LaTeXDraw is free software; you can redistribute it and/or modify it under * the terms of the GNU General Public License as published by the Free Software * Foundation; either version 2 of the License, or (at your option) any later version. * LaTeXDraw is distributed without any warranty; without even the implied * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. */ package net.sf.latexdraw.parsers.ps; import java.util.Deque; import org.eclipse.jdt.annotation.NonNull; /** * An abstract arithmetic command. * @author Arnaud Blouin */ @FunctionalInterface public interface PSArithemticCommand { /** * Creates an abstract postscript arithmetical command. * @param stack The current stack of values. * @param x The x variable of the command. * @throws InvalidFormatPSFunctionException If the command format is not valid. * @throws ArithmeticException When a division by 0 occurs for instance. * @since 3.0 */ void execute(final @NonNull Deque<Double> stack, final double x) throws InvalidFormatPSFunctionException; }