Difference between revisions of "Template:Convert/numdisp"

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{{Convert/numdisp/a|{{#titleparts:{{{1}}}|1|1}}|{{#titleparts:{{{1}}}|1|2}}}}<noinclude>
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<noinclude><!--
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{{pp-template|small=yes}}
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--============================================================
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[[Category:Subtemplates of Template Convert]]
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-- Display a number, with optional fraction part: 6+3/8
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--============================================================
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--                                (see NOTES at bottom)
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--
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--></noinclude>{{#if:{{#titleparts:{{{1|-1200-3~118}}}|1|2}}
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|{{Convert/numdisp/frac
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  |{{{1|-1200-3/118}}}|{{#titleparts:{{{1|-1200-3/118}}}|1|1}}|{{#titleparts:{{{1|-1200-3/118}}}|1|2}}}}<!--split at "/"
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--else-->|{{#ifexpr:{{{1|-14000.00}}} < 0
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  |<!--then re-build negative number (see NOTE Z4 below)
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-->{{formatnum:
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  {{padright:−<!--&minus-->{{#expr:-{{{1|-14000.00}}} }}<!--endexpr
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    --put decimal if needed-->{{
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    #ifexpr:{{{1|-14000.00}}}0={{{1|-14000.00}}}
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    and {{{1|-14000.00}}}=floor( {{{1|-14000.00}}} )|.}}<!--
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  -->|{{strlen_short|{{{1|-14000.00}}}|}}<!--endstrlen_short
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    -->|0}}<!--endpadright end-zeroes "0" to original length
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  -->}}<!--endformatnum
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  else-->|{{formatnum: {{{1|6000.500}}} }}}}<!--endif {1}<0
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-->}}<noinclude><!--endif {#titleparts..}
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--------------------------------------------------------------
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--NOTES:
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--    [ These comments are skipped by <noinclude> and not sent
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--      in formatted Internet pages, only during edit. ]
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--
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--NOTE A1: This template processes a number, for display, by
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--    checking to display a fraction part ("/"), else it
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--    will check for negative to display a unicode &minus
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--    and {{formatnum:{{#expr:abs( {{{1|-6000}}} )}}}} such
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--    as "-6000" with a full minus sign rather than hyphen.
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--    In 99% of Wikipedia usage, there are no fractions.
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--
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--NOTE D2: The check, for fraction parts, uses parser-function
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--    #titleparts to split the number at "/" (if any) and
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--    then checks part 2 (the denominator, after the slash)
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--    to trigger use of {{Convert/numdisp/fracparts}}. Hence,
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--        #if: {{#titleparts:{{{1|6+3/8}}}|1|2}}
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--    will be true if a denominator exists (such as "8").
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--
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--NOTE N3: This template uses minimal expansion depth of the
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--    if-else logic by checking for "/" before invoking the
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--    nested subtemplate {{Convert/numdisp/fracparts}}. The
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--    check for a negative number increases the nesting depth
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--    by 1 level to apply abs({1}) in a nested {#expr:} parser
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--    function, to use the absolute value of the amount {1}.
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--
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--NOTE Z4: Any end-zeroes on a decimal are preserved by not
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--    using positive amounts in an expression, and for rare
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--    negative amounts, the &minus with inverse -{1} is padded
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--    by {padright:} with end-zeroes "0" to {strlen_short} but
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--    uses #ifexpr:{1}0={1} and floor({1})={1} to put ".".
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--    So, {strlen_short} keeps minimal expansion depth of +2.
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--
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-- WARNING: *** DO NOT DELETE COMMENTS FROM THIS TEMPLATE ***
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--      Unless these comments are readily available, people
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--      might tinker with the coding (or rename templates),
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--      in hopes to clarify operation because these comments
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--      were not nearby to explain the issues. Having these
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--      comments only on a doc-page increases the danger of
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--      explanations no longer matching the current coding.
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--      UPDATE these comments to match changes to the template.
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--      UPDATE the HISTORY during major changes (not typos).
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--
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--------------------------------------------------------------
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--HISTORY:
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--03Apr09 Created by [[User:Jimp]] on English Wikipedia.
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--19Nov10 Invokes subtemplate only if has denominator (at "/").
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--19Nov10 Put NOTES comments to explain template coding.
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--19Nov10 Put HISTORY comments to log major changes.
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--19Nov10 Put all parameters on 1 line to avoid newline "2^ /3"
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--20Nov10 Linked {Documentation} to hold any interwiki links.
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--12Feb11 Shows Unicode &minus ("−") for negative numbers.
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--17Feb11 Used {padright:} to re-add end-zeroes on negatives.
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--17Feb11 Used #ifexpr:{1}0={1} and floor({1})={1}, to put "."
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--
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** Add interwiki links to /doc subpage to avoid changes here **
 +
--
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-->{{Documentation}}
 
</noinclude>
 
</noinclude>

Latest revision as of 13:54, 10 December 2011

−14,000.

[edit]

Documentation
This documentation is transcluded from Template:Convert/numdisp/doc. (view | edit | history)

Template:Convert/numdisp/doc

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