Test integerness: Difference between revisions

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{"p":5,"q":2,"type":"rational"} => </lang>
{"p":5,"q":2,"type":"rational"} => </lang>


=={{header|Lua}}==
<lang lua>--[[Written by TAM]]--
function IsInt(What)
if tonumber(What) == What and math.floor(tonumber(What)) == tonumber(What) then
return true
end
return false
end</lang>

{{out}}
<pre>
IsInt(5):true
IsInt(6):true
IsInt(-5):true
IsInt(123.4123):false
IsInt(123123123123123):true
</pre>
=={{header|ooRexx}}==
=={{header|ooRexx}}==
<lang oorexx>/* REXX ---------------------------------------------------------------
<lang oorexx>/* REXX ---------------------------------------------------------------