Test integerness: Difference between revisions
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=={{header|J}}== |
=={{header|J}}== |
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<lang J>(= <.) 3.14 7</lang> |
<lang J>(= <.) 3.14 7</lang> |
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{{out}} |
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=={{header|Python}}== |
=={{header|Python}}== |
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<lang python>>>> def isint(f): |
<lang python>>>> def isint(f): |
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return int(f) == f |
return int(f) == f |
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=={{header|REXX}}== |
=={{header|REXX}}== |
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{{incorrect|REXX|Can be zero and negative}} |
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<lang rexx>/* REXX --------------------------------------------------------------- |
<lang rexx>/* REXX --------------------------------------------------------------- |
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* 20.06.2014 Walter Pachl |
* 20.06.2014 Walter Pachl |
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=={{header|Tcl}}== |
=={{header|Tcl}}== |
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The simplest method of doing this is testing whether the value is equal to the value after casting it to a integral value. |
The simplest method of doing this is testing whether the value is equal to the value after casting it to a integral value. |
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<lang tcl>proc isNumberIntegral {x} { |
<lang tcl>proc isNumberIntegral {x} { |
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