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Template:Densely packed decimal
2015-01-17T19:57:39Z
<p>178.94.172.110: </p>
<hr />
<div>{| class="wikitable" border="1" style="text-align:center"<br />
|+Densely packed decimal encoding rules<ref name=Cowlishaw2000>{{cite web |url=http://speleotrove.com/decimal/DPDecimal.html |title=Summary of Densely Packed Decimal encoding |last=Cowlishaw |first=M. F. |authorlink=Mike Cowlishaw |date=2000-10-03 |accessdate=2008-09-10}}</ref><br />
|-<br />
!scope="col" colspan="10"| DPD encoded value<br />
|rowspan="10"|<br />
!scope="col" colspan="6"| Decimal digits<br />
|-<br />
!scope="col"| b9 !!scope="col"| b8 !!scope="col"| b7 !!scope="col"| b6 !!scope="col"| b5<br />
!scope="col"| b4 !!scope="col"| b3 !!scope="col"| b2 !!scope="col"| b1 !!scope="col"| b0<br />
!scope="col"| d2 !!scope="col"| d1 !!scope="col"| d0<br />
!scope="col"| Values encoded<br />
!scope="col"| Control<br />
!scope="col"| Description<br />
|-<br />
|style="background:#cef2e0"|a||style="background:#cef2e0"|b||style="background:#cef2e0"|c||style="background:#cedff2"|d||style="background:#cedff2"|e||style="background:#cedff2"|f||'''0'''||style="background:#ddcef2"|g||style="background:#ddcef2"|h||style="background:#ddcef2"|i||style="background:#cef2e0"|0'''abc'''||style="background:#cedff2"|0'''def'''||style="background:#ddcef2"|0'''ghi'''||(0–7) (0–7) (0–7) || b3=0<br/>Three small digits ||<br />
|- style="background:#f2f2f2"<br />
|style="background:#cef2e0"|a||style="background:#cef2e0"|b||style="background:#cef2e0"|c||style="background:#cedff2"|d||style="background:#cedff2"|e||style="background:#cedff2"|f||'''1'''||'''0'''||'''0'''||style="background:#ddcef2"|i||style="background:#cef2e0"|0'''abc'''||style="background:#cedff2"|0'''def'''||style="background:#ddcef2"|100'''i'''||(0–7) (0–7) (8–9) ||rowspan=3| b3=1, b2b1≠11<br/>Two small digits,<br/>one large || b2b1=00, d0=large<br />
|- style="background:#f2f2f2"<br />
|style="background:#cef2e0"|a||style="background:#cef2e0"|b||style="background:#cef2e0"|c||style="background:#ddcef2"|g||style="background:#ddcef2"|h||style="background:#cedff2"|f||'''1'''||'''0'''||'''1'''||style="background:#ddcef2"|i||style="background:#cef2e0"|0'''abc'''||style="background:#cedff2"|100'''f'''||style="background:#ddcef2"|0'''ghi'''||(0–7) (8–9) (0–7) || b2b1=01, d1=large<br />
|- style="background:#f2f2f2"<br />
|style="background:#ddcef2"|g||style="background:#ddcef2"|h||style="background:#cef2e0"|c||style="background:#cedff2"|d||style="background:#cedff2"|e||style="background:#cedff2"|f||'''1'''||'''1'''||'''0'''||style="background:#ddcef2"|i||style="background:#cef2e0"|100'''c'''||style="background:#cedff2"|0'''def'''||style="background:#ddcef2"|0'''ghi'''||(8–9) (0–7) (0–7) || b2b1=10, d2=large<br />
|-<br />
|style="background:#ddcef2"|g||style="background:#ddcef2"|h||style="background:#cef2e0"|c||'''0'''||'''0'''||style="background:#cedff2"|f||'''1'''||'''1'''||'''1'''||style="background:#ddcef2"|i||style="background:#cef2e0"|100'''c'''||style="background:#cedff2"|100'''f'''||style="background:#ddcef2"|0'''ghi'''||(8–9) (8–9) (0–7) ||rowspan=3| b3=1, b2b1=11, b6b5≠11<br/>One small digit,<br/>two large || b6b5=00, d0=small<br />
|-<br />
|style="background:#cedff2"|d||style="background:#cedff2"|e||style="background:#cef2e0"|c||'''0'''||'''1'''||style="background:#cedff2"|f||'''1'''||'''1'''||'''1'''||style="background:#ddcef2"|i||style="background:#cef2e0"|100'''c'''||style="background:#cedff2"|0'''def'''||style="background:#ddcef2"|100'''i'''||(8–9) (0–7) (8–9) || b6b5=01, d1=small<br />
|-<br />
|style="background:#cef2e0"|a||style="background:#cef2e0"|b||style="background:#cef2e0"|c||'''1'''||'''0'''||style="background:#cedff2"|f||'''1'''||'''1'''||'''1'''||style="background:#ddcef2"|i||style="background:#cef2e0"|0'''abc'''||style="background:#cedff2"|100'''f'''||style="background:#ddcef2"|100'''i'''||(0–7) (8–9) (8–9) || b6b5=10, d2=small<br />
|- style="background:#f2f2f2"<br />
|x||x||style="background:#cef2e0"|c||'''1'''||'''1'''||style="background:#cedff2"|f||'''1'''||'''1'''||'''1'''||style="background:#ddcef2"|i||style="background:#cef2e0"|100'''c'''||style="background:#cedff2"|100'''f'''||style="background:#ddcef2"|100'''i'''||(8–9) (8–9) (8–9) || b3=1, b2b1=11, b6b5=11<br/>Three large digits ||<br />
|}<noinclude><br />
<br />
== Information ==<br />
This is for transclusion in [[Densely packed decimal]], [[Decimal32]], [[Decimal64]] and [[Decimal128]]. Only the table, above, will be included.<br />
<br />
== References ==<br />
{{reflist}}<br />
<br />
*{{cite journal |last=Cowlishaw |first=M. F. |authorlink=Mike Cowlishaw |title=Densely packed decimal encoding |journal=IEE Proceedings &ndash; Computers and Digital Techniques |issn=1350-2387 |volume=149 |issue=3 |pages=102–104 |publisher=[[Institution of Electrical Engineers]] | date=May 2002 |doi=10.1049/ip-cdt:20020407}}<br />
*{{cite web |url=http://home.hetnet.nl/~jhm.bonten/computers/bitsandbytes/wordsizes/ibmpde.htm#dense |title=Packed Decimal Encoding IEEE-754r |first=J.H.M. |last=Bonten |archiveurl=http://web.archive.org/web/20070824053303/http://home.hetnet.nl/mr_1/81/jhm.bonten/computers/bitsandbytes/wordsizes/ibmpde.htm |archivedate=2007-08-24 |accessdate=2008-09-10}}<br />
</noinclude></div>
178.94.172.110