DE69223015D1 - Umsetzung einer Gleitkommabinärzahl in eine Zweierkomplementbinärzahl - Google Patents

Umsetzung einer Gleitkommabinärzahl in eine Zweierkomplementbinärzahl

Info

Publication number
DE69223015D1
DE69223015D1 DE69223015T DE69223015T DE69223015D1 DE 69223015 D1 DE69223015 D1 DE 69223015D1 DE 69223015 T DE69223015 T DE 69223015T DE 69223015 T DE69223015 T DE 69223015T DE 69223015 D1 DE69223015 D1 DE 69223015D1
Authority
DE
Germany
Prior art keywords
binary number
bit
floating point
conversion
compliment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69223015T
Other languages
English (en)
Other versions
DE69223015T2 (de
Inventor
Michael A Nix
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Advanced Micro Devices Inc
Original Assignee
Advanced Micro Devices Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Application granted granted Critical
Publication of DE69223015D1 publication Critical patent/DE69223015D1/de
Publication of DE69223015T2 publication Critical patent/DE69223015T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/50—Adding; Subtracting
    • G06F7/501—Half or full adders, i.e. basic adder cells for one denomination
    • G06F7/502—Half adders; Full adders consisting of two cascaded half adders
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/14—Conversion to or from non-weighted codes
    • H03M7/24—Conversion to or from floating-point codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Optimization (AREA)
  • General Engineering & Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Complex Calculations (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Gyroscopes (AREA)
DE69223015T 1991-09-26 1992-08-19 Umsetzung einer Gleitkommabinärzahl in eine Zweierkomplementbinärzahl Expired - Fee Related DE69223015T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/766,814 US5272654A (en) 1991-09-26 1991-09-26 System for converting a floating point signed magnitude binary number to a two's complement binary number

Publications (2)

Publication Number Publication Date
DE69223015D1 true DE69223015D1 (de) 1997-12-11
DE69223015T2 DE69223015T2 (de) 1998-06-10

Family

ID=25077616

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69223015T Expired - Fee Related DE69223015T2 (de) 1991-09-26 1992-08-19 Umsetzung einer Gleitkommabinärzahl in eine Zweierkomplementbinärzahl

Country Status (5)

Country Link
US (1) US5272654A (de)
EP (1) EP0534605B1 (de)
JP (1) JPH05224883A (de)
AT (1) ATE160064T1 (de)
DE (1) DE69223015T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5493581A (en) * 1992-08-14 1996-02-20 Harris Corporation Digital down converter and method
EP1035656A1 (de) 1999-03-08 2000-09-13 STMicroelectronics SA Antisättigungssystem mit automatischer Verstärkungssteuerung für Analog/Digitalwandler
US6490606B1 (en) 1999-08-19 2002-12-03 National Semicondcutor Corporation Rounding denormalized numbers in a pipelined floating point unit without pipeline stalls
US6801924B1 (en) 1999-08-19 2004-10-05 National Semiconductor Corporation Formatting denormal numbers for processing in a pipelined floating point unit
US6405232B1 (en) 1999-08-19 2002-06-11 National Semiconductor Corporation Leading bit prediction with in-parallel correction
US6415308B1 (en) 1999-08-19 2002-07-02 National Semiconductor Corporation Converting negative floating point numbers to integer notation without two's complement hardware
US6523050B1 (en) 1999-08-19 2003-02-18 National Semiconductor Corporation Integer to floating point conversion using one's complement with subsequent correction to eliminate two's complement in critical path
US6205462B1 (en) 1999-10-06 2001-03-20 Cradle Technologies Digital multiply-accumulate circuit that can operate on both integer and floating point numbers simultaneously
ITMI20032591A1 (it) * 2003-12-23 2005-06-24 St Microelectronics Srl Metodo di rappresentazione codificata di dati e relativo processore di elaborazione dati con circuito di codifica-decodifica
US8214418B2 (en) * 2007-11-20 2012-07-03 Harris Corporation Method for combining binary numbers in environments having limited bit widths and apparatus therefor
US9021000B2 (en) 2012-06-29 2015-04-28 International Business Machines Corporation High speed and low power circuit structure for barrel shifter
US20150095396A1 (en) * 2013-10-01 2015-04-02 Rockwell Automation Technologies, Inc. Multiplying varying fixed-point binary numbers
US9607682B1 (en) 2016-03-28 2017-03-28 Amazon Technologies, Inc. Address decoding circuit
US10216479B2 (en) * 2016-12-06 2019-02-26 Arm Limited Apparatus and method for performing arithmetic operations to accumulate floating-point numbers
US11301542B2 (en) * 2019-05-15 2022-04-12 Nxp B.V. Methods and apparatuses involving fast fourier transforms processing of data in a signed magnitude form
US11360769B1 (en) 2021-02-26 2022-06-14 International Business Machines Corporation Decimal scale and convert and split to hexadecimal floating point instruction
US11663004B2 (en) 2021-02-26 2023-05-30 International Business Machines Corporation Vector convert hexadecimal floating point to scaled decimal instruction

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8323250D0 (en) * 1983-08-30 1983-09-28 British Telecomm Floating point to fixed point conversion
US4805128A (en) * 1985-11-22 1989-02-14 Geophysical Service Inc. Format conversion system
JP2689414B2 (ja) * 1986-01-09 1997-12-10 日本電気株式会社 浮動小数点表現変換器

Also Published As

Publication number Publication date
US5272654A (en) 1993-12-21
EP0534605B1 (de) 1997-11-05
DE69223015T2 (de) 1998-06-10
EP0534605A3 (en) 1993-11-10
ATE160064T1 (de) 1997-11-15
EP0534605A2 (de) 1993-03-31
JPH05224883A (ja) 1993-09-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee