89 lines
3.0 KiB
Java
Executable File
89 lines
3.0 KiB
Java
Executable File
package org.warp.picalculator.math.functions;
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import org.warp.picalculator.Error;
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import org.warp.picalculator.gui.expression.blocks.Block;
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import org.warp.picalculator.gui.expression.blocks.BlockChar;
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import org.warp.picalculator.gui.expression.blocks.BlockParenthesis;
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import org.warp.picalculator.math.Function;
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import org.warp.picalculator.math.FunctionOperator;
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import org.warp.picalculator.math.MathContext;
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import org.warp.picalculator.math.MathematicalSymbols;
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import org.warp.picalculator.math.rules.methods.MultiplicationMethod1;
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import it.unimi.dsi.fastutil.objects.ObjectArrayList;
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public class Multiplication extends FunctionOperator {
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public Multiplication(MathContext root, Function value1, Function value2) {
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super(root, value1, value2);
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/*if (value1 instanceof Variable && value2 instanceof Variable == false) {
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parameter1 = value2;
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parameter2 = value1;
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}*/
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}
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@Override
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public boolean equals(Object o) {
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if (o instanceof Multiplication) {
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final FunctionOperator f = (FunctionOperator) o;
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if (parameter1.equals(f.getParameter1()) && parameter2.equals(f.getParameter2())) {
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return true;
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} else if (parameter1.equals(f.getParameter2()) && parameter2.equals(f.getParameter1())) {
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return true;
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}
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}
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return false;
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}
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@Override
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public Multiplication clone() {
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return new Multiplication(mathContext, parameter1, parameter2);
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}
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@Override
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public ObjectArrayList<Block> toBlock(MathContext context) throws Error {
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ObjectArrayList<Block> result = new ObjectArrayList<>();
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Function par1 = getParameter1();
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Function par2 = getParameter2();
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ObjectArrayList<Block> sub1 = par1.toBlock(context);
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ObjectArrayList<Block> sub2 = par2.toBlock(context);
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Block nearLeft = sub1.get(sub1.size() - 1);
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Block nearRight = sub2.get(0);
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if (par1 instanceof Number && ((Number) par1).equals(new Number(context, -1))) {
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result.add(new BlockChar(MathematicalSymbols.MINUS));
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if (new Expression(context, par2).parenthesisNeeded()) {
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ObjectArrayList<Block> parBlocks = par2.toBlock(context);
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BlockParenthesis par = new BlockParenthesis(parBlocks);
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result.add(par);
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} else {
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result.addAll(sub2);
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}
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return result;
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} else {
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if (new Expression(context, par1).parenthesisNeeded()) {
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ObjectArrayList<Block> parBlocks = par1.toBlock(context);
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BlockParenthesis par = new BlockParenthesis(parBlocks);
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result.add(par);
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} else {
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result.addAll(sub1);
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}
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if ((nearLeft instanceof BlockChar && nearRight instanceof BlockChar)
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&& !(par2 instanceof Negative)
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&& !(par1 instanceof Number && par2 instanceof Number)
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) {
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} else {
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result.add(new BlockChar(MathematicalSymbols.MULTIPLICATION));
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}
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if (new Expression(context, par2).parenthesisNeeded()) {
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ObjectArrayList<Block> parBlocks = par2.toBlock(context);
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BlockParenthesis par = new BlockParenthesis(parBlocks);
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result.add(par);
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} else {
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result.addAll(sub2);
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}
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return result;
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}
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}
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} |