Normal number (computing): Difference between revisions

Revision as of 16:17, 4 September 2015

Revision as of 15:43, 4 March 2016

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where ''p'' is the precision of the format in [[numerical digit|digit]]s and ''emax'' is (−''emin'')+1.

In the [[IEEE 754]] binary and decimal formats, ''b'', ''p'', ''emin'', and ''emax'' have the following values:<ref>{{Citation

| title = IEEE Standard for Floating-Point Arithmetic

| date = 2008-08-29

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| accessdate = 2015-04-26}}</ref>

{| class="wikitable"

!Format!!b!!p!!emin!!emax

|-

|binary16||2||11||−14||15

|-

|binary32||2||24||−126||127

|-

|binary64||2||53||−1022||1023

|-

|binary128||2||113||−16382||16383

|-

|decimal32||10||7||−95||96

|-

|decimal64||10||16||−383||384

|-

|decimal128||10||34||−6143||6144

|}