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What are the possible value for Integers in IEEE?

sabari nath
Greenhorn

Joined: Aug 31, 2009
Posts: 3


Hi to all,
what are the possible value for integers in IEEE?
Ulf Dittmer
Marshal

Joined: Mar 22, 2005
Posts: 39548
    
  27
What do you mean by "in IEEE"? I don't think the IEEE ever defined a format for integer numbers; IEEE-754 covers floating-point numbers only.

For integers represented in 2's complement format (the format commonly used today), the maximum values are

-2^31 to 2^32-1 (for 32 bit numbers)

-2^63 to 2^63-1 (for 64 bit numbers)


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Jesper de Jong
Java Cowboy
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Joined: Aug 16, 2005
Posts: 13875
    
  10

Integers (byte, short, int, long, char) are stored in [url=http://en.wikipedia.org/wiki/Two's_complement]two's complement[/url] format.

Floating-point numbers (float, double) are stored in IEEE-754 format, float is a single precision and double is a double precision number.

Click the links for details.

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