Real constants and functions: Difference between revisions
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Math constants and functions are as outlined in the [[#Java Java]] example, except as follows: |
Math constants and functions are as outlined in the [[#Java Java]] example, except as follows: |
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'''Absolute Value'''<br/> |
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In addition to the java.lang.Math.abs() method, each numeric type has an abs() method, which can be invoked directly on the number: |
In addition to the java.lang.Math.abs() method, each numeric type has an abs() method, which can be invoked directly on the number: |
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<lang groovy>println ((-22).abs())</lang> |
<lang groovy>println ((-22).abs())</lang> |
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<pre>22</pre> |
<pre>22</pre> |
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'''Power'''<br/> |
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In addition to the java.lang.Math.pow() method, each numeric type works with the power operator (**), which can be invoked as an in-fix operator between two numbers: |
In addition to the java.lang.Math.pow() method, each numeric type works with the power operator (**), which can be invoked as an in-fix operator between two numbers: |
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<lang groovy>println 22**3.5</lang> |
<lang groovy>println 22**3.5</lang> |
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<pre>NaN</pre> |
<pre>NaN</pre> |
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Also note that at the moment ( |
Also note that at the moment (--21:58, 24 May 2009 (UTC)) Groovy (1.6.2) gives a mathematically incorrect result for "0**0". The correct result should be "NaN", but the Groovy operation result is "1". |
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=={{header|Haskell}}== |
=={{header|Haskell}}== |
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