View source for Template:Val/delimitnum

<includeonly><!--
-->{{#ifexpr:({{{1|0}}}1)=({{{1|0}}})|<!-- Test loss of precision by appending a fixed digit "1"
  -->{{FormattingError|Too Many Digits|nocategory={{{nocategory|}}}}}<!--
-->|<!-- No loss of precision, can display this number
  -->{{#ifexpr:{{{1|0}}}<0|&minus;}}<!-- Output the mathematical minus sign (not the minus-hyphen) if negative
  -->{{#ifexpr:abs({{{1|0}}}1)>10*abs({{{1|0}}})|<!-- Number is an integer (no dot): appending a non-zero digit multiplies it by more than 10
    -->{{formatnum:{{#expr:abs({{{1|0}}})}}}}<!-- Format the integer using locale's separator for grouping digits
  -->|<!-- Number is not an integer (at least contains a dot)
    -->{{formatnum:{{#expr:trunc(abs({{{1|0}}}))}}.}}<!-- Format the integer part using locale's separator for grouping digits, followed by the locale's separator before fractional decimals
    -->{{val/delimitnum/fraction<!--
      -->|{{#expr:abs({{{1|0}}}1)-trunc(abs({{{1|0}}}1))}}<!-- The fractional part (appended with an extra digit 1 to avoid roundoff error on last displayed digit)
      -->|{{#expr:(-ln(abs({{{1|0}}}1)-abs({{{1|0}}}))/ln10round 0)-1}}<!-- The number of decimals to display (the difference of absolute values is the value of the appended digit 1, its log10 gives its position)
      -->|nocategory={{{nocategory|}}}<!-- category if formatting error (too many digits)
    -->}}<!--
  -->}}<!--
-->}}</includeonly><noinclude>{{documentation}}</noinclude>