Decimal64 floating-point format: Difference between revisions

Revision as of 05:30, 9 December 2024

Revision as of 21:45, 9 December 2024

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! rowspan="2" |

! rowspan="2" | Exponent

! rowspan="2" |Significand / Description

! rowspan="2" | Description

|-

! g12 !! g11 !! g10 !! g9 !! g8 !! g7 !! g6 !! g5 !! g4 !! g3 !! g2

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!g0

|-

| colspan="1716" |combination field not! starting with '11', bits ab = 00, 01 or 10

|-

| style="background:#cedff2;" | '''a''' || style="background:#cedff2;" | '''b''' || style="background:#cedff2;" | '''c''' || style="background:#cedff2;" | '''d''' || style="background:#cedff2;" | '''m''' || style="background:#cedff2;" | '''m''' || style="background:#cedff2;" | '''m''' || style="background:#cedff2;" | '''m''' || style="background:#cedff2;" | '''m''' || style="background:#cedff2;" | '''m''' || style="background:#cef2e0;" | '''e''' || style="background:#cef2e0;" |'''f''' || style="background:#cef2e0;" |'''g'''

| || style="background:#cedff2;" | '''abcdmmmmmm''' || style="background:#cef2e0;" | (0)'''efgtttttttttttttttttttttttttttttttttttttttttttttttttt''' ||
Finite number with small first digit of significand (0 ….. 7).

|-

| colspan="1716" |combination field starting with '11', but not 1111, bits ab = 11, bits cd = 00, 01 or 10

|-

| 1 || 1 || style="background:#cedff2;" | '''c'''|| style="background:#cedff2;" | '''d''' || style="background:#cedff2;" | '''m''' || style="background:#cedff2;" | '''m''' || style="background:#cedff2;" | '''m''' || style="background:#cedff2;" | '''m''' || style="background:#cedff2;" | '''m''' || style="background:#cedff2;" | '''m''' || style="background:#cedff2;" | '''e''' || style="background:#cedff2;" | '''f''' || style="background:#cef2e0;" | '''g'''

| || style="background:#cedff2;" | '''cdmmmmmmef''' || style="background:#cef2e0;" | '''100gtttttttttttttttttttttttttttttttttttttttttttttttttt''' ||
Finite number with big first digit of significand (8 or 9).

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| colspan="1716" |combination field starting with '1111', bits abcd = 1111

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| 1 || 1 || 1 || 1 || 0 || colspan="6" |

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| rowspan="3" | || || || ±Infinity

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| 1 || 1 || 1 || 1 || 1 ||0

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| || quiet NaN

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|1

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|1

| colspan="5" |

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