Halstead complexity measures: Difference between revisions

Revision as of 19:51, 24 February 2019

Revision as of 23:23, 15 March 2019

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{{cleanup HTML|date=February 2019}}

{{short description|Software maintainability index}}

'''Halstead complexity measures''' are [[software metric]]s introduced by Maurice Howard Halstead in 1977<ref>{{cite book |author=Halstead, Maurice H. |title=Elements of Software Science |publisher=Elsevier North-Holland, Inc. |___location=Amsterdam |year=1977 |isbn=0-444-00205-7}}</ref> as part of his treatise on establishing an empirical science of software development.

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The unique operators are:

<ttcode>main</ttcode>, <ttcode>()</ttcode>, <ttcode>{}</ttcode>, <ttcode>int</ttcode>, <ttcode>scanf</ttcode>,

<ttcode>&</ttcode>, <ttcode>=</ttcode>, <ttcode>+</ttcode>, <ttcode>/</ttcode>, <ttcode>printf</ttcode>, '<ttcode>,</ttcode>', <ttcode>;</ttcode>

The unique operands are:

<ttcode>a</ttcode>, <ttcode>b</ttcode>, <ttcode>c</ttcode>, <ttcode>avg</ttcode>, <ttcode>"%d %d %d"</ttcode>, <ttcode>3</ttcode>, <ttcode>"avg = %d"</ttcode>

* <math>\eta_1 = 12</math>, <math>\eta_2 = 7</math>, <math>\eta = 19</math>