Template:Convert/numdisp/doc

2011-07-15T20:41:14Z

198.102.153.2:

The '''[[Template:Convert/numdisp]]''' processes a number, for display, by checking to display a fraction part (at "/"), else it just uses [[Help:Parser functions|parser-function]] <nowiki>{{formatnum:{{{1|6000}}}}}</nowiki> to add commas, such as to show "6,000". In 99% of recent Wikipedia usage, there are relatively few articles using fractions (less than 1% of articles using Convert show fractions).
: '''Usage:'''  <nowiki>{{convert/numdisp|6+3/8}}</nowiki> → {{convert/numdisp|6+3/8}}
:::<nowiki>{{convert/numdisp|-4-1/2}}</nowiki> → {{convert/numdisp|-4-1/2}}
:::<nowiki>{{convert/numdisp|23500}}</nowiki> → {{convert/numdisp|23500}}
:::<nowiki>{{convert/numdisp|2300+643/1250}}</nowiki> → {{convert/numdisp|2300+643/1250}}
:::<nowiki>{{convert/numdisp|14+6/ }}</nowiki> → <strong class="error"><span class="Pfunc_expr_unexpected_operator">Expression error: Unexpected < operator</span></strong>

==Implementation==
The check, for fraction parts, uses parser-function <nowiki>{{#titleparts:xx/xx|1|2}}</nowiki> to split a number at "/" (if any, as in: 6+3/8) and then checks if part 2 (the denominator, after the slash) contains a number, to trigger use of {{tl|Convert/numdisp/frac}}). Hence, the template uses:
::: <nowiki>#if: {{#titleparts:{{{1|6+3/8}}}|1|2}}</nowiki>
That if-expression will be true if a denominator exists (such as "8" in 6+3/8).

==See also==
* [[Template:Convert/numdisp/frac]] - branches by negative/0/positive fraction
* [[Template:Convert/numdisp/frac1]] - displays positive fractions
* [[Template:Convert/numdisp/frac-1]] - displays negative fractions
* [[Template:Convert/numdisp/frac0]] - displays fractions led by 0
* [[Template_talk:Convert/nesting]] - issues about nested if-else logic & templates

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[[Category:Subtemplates of Template Convert]]


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Template:Convert/numdisp/doc