20 lines
638 B
Java
20 lines
638 B
Java
package org.nfunk.jep.function;
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import java.util.Stack;
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import org.nfunk.jep.ParseException;
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public class ArcTangent2 extends PostfixMathCommand {
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public void run(Stack paramStack) throws ParseException {
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checkStack(paramStack);
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Number number1 = (Number)paramStack.pop();
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Number number2 = (Number)paramStack.pop();
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if (number2 instanceof Number && number1 instanceof Number) {
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double d1 = ((Number)number2).doubleValue();
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double d2 = ((Number)number1).doubleValue();
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paramStack.push(new Double(Math.atan2(d1, d2)));
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} else {
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throw new ParseException("Invalid parameter type");
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}
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}
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}
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