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| <includeonly><!-- | | <includeonly><!-- |
| Test loss of precision by appending a fixed digit "1" | | Test loss of precision by appending a fixed digit "1" |
| -->{{#ifexpr:({{{1|0}}}1)=({{{1|0}}})<!-- | | -->{{#ifexpr:({{{1|0}}}1)=({{{1|0}}})<!-- |
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| -->|<!-- Precision is not lost. Display the number. | | -->|<!-- Precision is not lost. Display the number. |
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| | -->{{val/delimitnum/{{{fmt|gaps}}}<!-- |
| Output the mathematical minus sign (not the minus-hyphen) if negative
| | -->{{#expr:{{{1|0}}}<0}}<!-- |
| -->{{#ifexpr:{{{1|0}}}<0|−}}<!--
| | -->{{#expr:trunc({{{1|0}}}9)={{{1|0}}}9}}|{{{1|0}}}<!-- |
| | -->|u={{{u}}}<!-- |
| | -->}}<!-- |
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| Format according to the parameter fmt.
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| -->{{#ifeq:{{{fmt|gaps}}}|gaps<!--
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| Test whether the number is an integer.
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| -->|{{#ifexpr:trunc({{{1|0}}}9)={{{1|0}}}9
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| |<!--
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| The number is an integer.
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| Format it using (a) thin space(s) for grouping digits.
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| Do not add a decimal point.
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| -->{{val/delimitnum/whole|{{#expr:abs({{{1|0}}})}}}}<!---
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| -->|<!--
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| The number is not an integer.
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| Split the number into an integer part an a fractional part.
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| Format the integer part using (a) thin space(s) for grouping digits.
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| Add a decimal point.
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| -->{{val/delimitnum/whole|{{#expr:trunc(abs({{{1|0}}}))}}}}.<!--
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| Format the fractional part using (a) thin space(s) for grouping digits.
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|
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| -->{{val/delimitnum/fraction<!--
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| -->|{{#expr:abs({{{1|0}}}1)-trunc(abs({{{1|0}}}1))}}<!--
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| The fractional part (appended with an extra digit 1
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| to avoid roundoff error on last displayed digit)
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| -->|{{#expr:(-ln(abs({{{1|0}}}1)-abs({{{1|0}}}))/ln10round 0)-1}}<!--
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| The number of decimals to display (the difference of absolute values is
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| the value of the appended digit 1, its log10 gives its position)
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| -->|nocategory={{{nocategory|}}}<!--
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| category if formatting error (too many digits)
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| -->}}<!--
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| -->}}<!--
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| Format using commas to the left.
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|
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| Test whether the number is an integer.
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| -->|{{#ifexpr:trunc({{{1|0}}}9)={{{1|0}}}9
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| |<!--
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| The number is an integer.
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| Format with commas.
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| -->{{formatnum:{{#expr:abs{{{1}}}}}}}
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| |<!--
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| The number is not an integer.
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| Format the whole part with commas.
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| -->{{formatnum:{{#expr:trunc(abs{{{1}}})}}}}<!--
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| Add the fractional part including trailing zeros.
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| -->{{padright:<!--
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| Remove the leading zero from the truncated number.
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| -->{{#Invoke:String<!--
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| -->|sub<!--
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| -->|{{#expr:abs({{{1|0}}})-trunc(abs({{{1|0}}}))}}<!--
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| -->|2<!--
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| -->}}<!-- END invoke string
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| -->|<!--
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|
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| Calculate the total number of characters to display
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| (including the decimal point
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| -->{{#expr:(-ln(abs({{{1|0}}}1)-abs({{{1|0}}}))/ln10round 0)}}<!--
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|
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| -->}}<!-- END padright
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| -->}}<!-- END integer test
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| -->}}<!-- END formatting commas vs gaps
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| -->}}</includeonly><noinclude>{{documentation}}</noinclude> | | -->}}</includeonly><noinclude>{{documentation}}</noinclude> |
