Equal Numbers: Difference between revisions
Fixed Typo
(Adapted "How to determine if a number is valid, NaN or Inf?" article from old wiki) |
(Fixed Typo) |
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| Line 22: | Line 22: | ||
: [[File:precise-equals.jpg|thumb|none|Does not have the same issue as the example above]] | : [[File:precise-equals.jpg|thumb|none|Does not have the same issue as the example above]] | ||
* You can check whether a number is valid by checking whether it is equal to itself. <code>nan</code>, <code>inf</code> | * You can check whether a number is valid by checking whether it is equal to itself. <code>nan</code>, <code>inf</code> and <code>-inf</code> are not considered equal to themselves because they represent a set of numbers. | ||
: [[File:Equal_nan_inf.png|thumb|none|NaN and Infinity are not equal to themselves]] | : [[File:Equal_nan_inf.png|thumb|none|NaN and Infinity are not equal to themselves]] | ||
[[Category:Blocks]] | [[Category:Blocks]] | ||