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IEEE 754

Floating-Point Arithmetic

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Organization: IEEE
Publication Date: 12 June 2008
Status: inactive
Page Count: 70
scope:

Implementation Objectives.

It is intended that an implementation of a floating-point system conforming to this standard can be realized entirely in software, entirely in hardware, or in any combination of software and hardware. It is the environment the programmer or user of the system sees that conforms or fails to conform to this standard. Hardware components that require software support to conform shall not be said to conform apart from such software.

Inclusions.

This standard specifies

(1) Basic and extended floating-point number

(2) Add, subtract, multiply, divide, square root, remainder, and compare operations

(3) Conversions between integer and floating-point formats

(4) Conversions between different floating-point formats

(5) Conversions between basic format floating-point numbers and decimal strings

(6) Floating-point exceptions and their handling, including nonnumbers (NaNs)

Exclusions.

This standard does not specify

(1) Formats of decimal strings and integers

(2) Interpretation of the sign and significand fields of NaNs

(3) Binary ↔ decimal conversions to and from extended formats

Document History

June 13, 2019
Floating-Point Arithmetic
This standard specifies formats and operations for floating-point arithmetic in computer systems. Exception conditions are defined and handling of these conditions is specified. Purpose This...
IEEE 754
June 12, 2008
Floating-Point Arithmetic
Implementation Objectives. It is intended that an implementation of a floating-point system conforming to this standard can be realized entirely in software, entirely in hardware, or in any...
October 8, 2002
Binary Floating-Point Arithmetic
Implementation Objectives. It is intended that an implementation of a floating-point system conforming to this standard can be realized entirely in software, entirely in hardware, or in any...
March 21, 1985
Standard for Binary Floating-Point Arithmetic
Implementation Objectives. It is intended that an implementation of a floating-point system conforming to this standard can be realized entirely in software, entirely in hardware, or in any...

References

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