Rndfrac/Doc
This template rounds to a fraction.
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It takes two parameters.
- the number to be rounded (any real number)
- the denominator to be rounded to (positive integer)
Fractions are expressed in the simplest terms.
The template calls {{gcd}} and {{rndfrac/out}}.
{{rndfrac|0.1234|8}}→ १⁄८{{rndfrac|12.65|6}}→ १२&#३२;२⁄३{{rndfrac|-9.123|20}}→ −९&#३२;१⁄१०
Code
Main template {{rndfrac}}
{{#ifexpr: ( {{{2}}} - 1 ) round 0 = abs( {{{2}}} - 1 ) | {{#ifexpr: {{{1}}} * {{{2}}} round 0 < 0 |− }}{{formatnum: {{rndfrac/{{{out|out}}} | {{#expr: floor( (abs {{{1}}} * {{{2}}} round 0 ) / {{{2}}} ) }} | {{#expr: (abs {{{1}}} * {{{2}}} round 0 ) mod {{{2}}} }} | {{{2}}} | {{gcd | {{#expr: (abs {{{1}}} * {{{2}}} round 0 ) mod {{{2}}} }} | {{{2}}} }} }} }} | {{color | red | This fractional rounding function only accepts positive intergers as the denominator. }} }} Sub-template {{rndfrac/out}}
{{#ifeq: {{{2}}} | 0 | {{{1}}} | <span class="frac nowrap">{{#ifexpr: {{{1}}} > 0 | {{{1}}}<sup> sup> }}{{#iferror: {{#expr: 1/{{{4}}} }} | <sup>{{{2}}}sup>⁄<sub>{{{3}}}sub> | <sup>{{#expr: {{{2}}} / {{{4}}} }}sup>⁄<sub>{{#expr: {{{3}}} / {{{4}}} }}sub> }} span> }} See also
- {{rnd}}
- {{rndnear}}
- {{dec to frac}}