Template:Densely packed decimal

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Densely packed decimal encoding rules[1]
DPD encoded value Decimal digits
Code space (1024 states) b9 b8 b7 b6 b5 b4 b3 b2 b1 b0 d2 d1 d0 Values encoded Description Occurrences (1000 states)
50.0% (512 states) a b c d e f 0 g h i 0abc 0def 0ghi (0–7) (0–7) (0–7) Three small digits 51.2% (512 states)
37.5% (384 states) a b c d e f 1 0 0 i 0abc 0def 100i (0–7) (0–7) (8–9) Two small digits,
one large
38.4% (384 states)
a b c g h f 1 0 1 i 0abc 100f 0ghi (0–7) (8–9) (0–7)
g h c d e f 1 1 0 i 100c 0def 0ghi (8–9) (0–7) (0–7)
9.375% (96 states) g h c 0 0 f 1 1 1 i 100c 100f 0ghi (8–9) (8–9) (0–7) One small digit,
two large
9.6% (96 states)
d e c 0 1 f 1 1 1 i 100c 0def 100i (8–9) (0–7) (8–9)
a b c 1 0 f 1 1 1 i 0abc 100f 100i (0–7) (8–9) (8–9)
3.125% (32 states, 8 used) x x c 1 1 f 1 1 1 i 100c 100f 100i (8–9) (8–9) (8–9) Three large digits, bits b9 and b8 are don't care 0.8% (8 states)

Information

This is for transclusion in Densely packed decimal, Decimal32, Decimal64 and Decimal128. Only the table, above, will be included.

References

  1. Cowlishaw, Michael Frederic (2007-02-13) [2000-10-03]. "A Summary of Densely Packed Decimal encoding". IBM. Archived from the original on 2015-09-24. Retrieved 2016-02-07.
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