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Arithmetic/Complex: Difference between revisions
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=={{header|Groovy}}==
Groovy does not provide any built-in facility for complex arithmetic. However, it does support arithmetic operator overloading. Thus it is not too hard to build a fairly robust, complete, and intuitive complex number class, such as the following:
<lang groovy>
final Number real, imag
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: realPart + (imag > 0 ? " + " : " - ") + imagPart
}
}</lang>
The following ''ComplexCategory'' class allows for modification of regular ''Number'' behavior when interacting with ''Complex''.
<lang groovy>import org.codehaus.groovy.runtime.DefaultGroovyMethods
class ComplexCategory {
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}
}</lang>
Test Program (mixes the ComplexCategory methods into the Number class):
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