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DE69227348D1 - DIVIDIERSCHALTUNG FüR GLEITKOMMAZAHLEN - Google Patents

DIVIDIERSCHALTUNG FüR GLEITKOMMAZAHLEN

Info

Publication number
DE69227348D1
DE69227348D1 DE69227348T DE69227348T DE69227348D1 DE 69227348 D1 DE69227348 D1 DE 69227348D1 DE 69227348 T DE69227348 T DE 69227348T DE 69227348 T DE69227348 T DE 69227348T DE 69227348 D1 DE69227348 D1 DE 69227348D1
Authority
DE
Germany
Prior art keywords
dividing circuit
sliding points
sliding
points
dividing
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
DE69227348T
Other languages
English (en)
Other versions
DE69227348T2 (de
Inventor
Koichi Kuroiwa
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69227348D1 publication Critical patent/DE69227348D1/de
Publication of DE69227348T2 publication Critical patent/DE69227348T2/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
    • G06F7/52—Multiplying; Dividing
    • G06F7/535—Dividing only
    • 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
    • G06F7/52—Multiplying; Dividing
    • 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
    • G06F7/52—Multiplying; Dividing
    • G06F7/535—Dividing only
    • G06F7/537—Reduction of the number of iteration steps or stages, e.g. using the Sweeny-Robertson-Tocher [SRT] algorithm
    • G06F7/5375—Non restoring calculation, where each digit is either negative, zero or positive, e.g. SRT
    • 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
    • G06F7/483—Computations with numbers represented by a non-linear combination of denominational numbers, e.g. rational numbers, logarithmic number system or floating-point numbers
    • G06F7/487—Multiplying; Dividing
    • G06F7/4873—Dividing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Complex Calculations (AREA)
DE69227348T 1991-03-13 1992-03-12 DIVIDIERSCHALTUNG FüR GLEITKOMMAZAHLEN Expired - Fee Related DE69227348T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3048452A JPH04283831A (ja) 1991-03-13 1991-03-13 除算器
PCT/JP1992/000296 WO1992016892A1 (en) 1991-03-13 1992-03-12 Floating-point dividing circuit

Publications (2)

Publication Number Publication Date
DE69227348D1 true DE69227348D1 (de) 1998-11-26
DE69227348T2 DE69227348T2 (de) 1999-03-18

Family

ID=12803744

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69227348T Expired - Fee Related DE69227348T2 (de) 1991-03-13 1992-03-12 DIVIDIERSCHALTUNG FüR GLEITKOMMAZAHLEN

Country Status (6)

Country Link
US (1) US5309383A (de)
EP (1) EP0529101B1 (de)
JP (1) JPH04283831A (de)
KR (1) KR950006584B1 (de)
DE (1) DE69227348T2 (de)
WO (1) WO1992016892A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2803506B2 (ja) * 1992-12-25 1998-09-24 三菱電機株式会社 除算器
US5404324A (en) * 1993-11-01 1995-04-04 Hewlett-Packard Company Methods and apparatus for performing division and square root computations in a computer
US5553015A (en) * 1994-04-15 1996-09-03 International Business Machines Corporation Efficient floating point overflow and underflow detection system
GB2296350B (en) * 1994-12-21 1999-10-06 Advanced Risc Mach Ltd Data processing divider
US5687106A (en) * 1995-03-31 1997-11-11 International Business Machines Corporation Implementation of binary floating point using hexadecimal floating point unit
US5757682A (en) * 1995-03-31 1998-05-26 International Business Machines Corporation Parallel calculation of exponent and sticky bit during normalization
US5771366A (en) * 1995-06-09 1998-06-23 International Business Machines Corporation Method and system for interchanging operands during complex instruction execution in a data processing system
USH1993H1 (en) * 1997-06-25 2001-09-04 Sun Microsystems, Inc. Floating-point division and squareroot circuit with early determination of resultant exponent
JP2005229312A (ja) * 2004-02-12 2005-08-25 Daihen Corp 適応型ディジタルフィルタ
US20050289208A1 (en) * 2004-06-23 2005-12-29 Harrison John R Methods and apparatus for determining quotients
US20060179092A1 (en) * 2005-02-10 2006-08-10 Schmookler Martin S System and method for executing fixed point divide operations using a floating point multiply-add pipeline
US8140608B1 (en) * 2007-05-31 2012-03-20 Nvidia Corporation Pipelined integer division using floating-point reciprocal
US9983850B2 (en) * 2015-07-13 2018-05-29 Samsung Electronics Co., Ltd. Shared hardware integer/floating point divider and square root logic unit and associated methods
US10353671B2 (en) * 2016-01-13 2019-07-16 Arm Limited Circuitry and method for performing division
US10359995B2 (en) 2016-04-29 2019-07-23 Texas Instruments Incorporated Architecture and instruction set to support integer division
US10635395B2 (en) * 2016-06-30 2020-04-28 Texas Instruments Incorporated Architecture and instruction set to support interruptible floating point division
KR20240033565A (ko) * 2022-09-05 2024-03-12 리벨리온 주식회사 뉴럴 프로세싱 장치, 그에 포함되는 프로세싱 엘리먼트 및 뉴럴 프로세싱 장치의 다양한 포맷 연산 방법

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4338675A (en) * 1980-02-13 1982-07-06 Intel Corporation Numeric data processor
JPS57169849A (en) * 1981-04-11 1982-10-19 Japan Radio Co Ltd Division circuit
US4507676A (en) * 1982-10-28 1985-03-26 Rca Corporation Digital matrixing system
JPS5979350A (ja) * 1982-10-29 1984-05-08 Toshiba Corp 浮動小数点演算装置
CA1231455A (en) * 1984-04-09 1988-01-12 Masayuki Ikeda Nonrestoring divider
JPS6145354A (ja) * 1984-08-10 1986-03-05 Nec Corp マイクロプロセツサ
JPH0789346B2 (ja) * 1985-07-05 1995-09-27 日本電気株式会社 Ｄｍａコントローラ
JPS62145418A (ja) * 1985-12-20 1987-06-29 Nec Corp Ａｌｕのスタンバイ制御方式
US4760550A (en) * 1986-09-11 1988-07-26 Amdahl Corporation Saving cycles in floating point division
US4999801A (en) * 1988-07-15 1991-03-12 Fujitsu Limited Floating point operation unit in division and square root operations
US5027309A (en) * 1988-08-29 1991-06-25 Nec Corporation Digital division circuit using N/M-bit subtractor for N subtractions
US4996660A (en) * 1989-04-17 1991-02-26 International Business Machines Corporation Selection of divisor multipliers in a floating point divide circuit
JPH0391028A (ja) * 1989-09-04 1991-04-16 Mitsubishi Electric Corp パイプライン処理装置

Also Published As

Publication number Publication date
KR930700905A (ko) 1993-03-16
DE69227348T2 (de) 1999-03-18
KR950006584B1 (ko) 1995-06-19
EP0529101A4 (en) 1993-10-20
JPH04283831A (ja) 1992-10-08
EP0529101A1 (de) 1993-03-03
US5309383A (en) 1994-05-03
WO1992016892A1 (en) 1992-10-01
EP0529101B1 (de) 1998-10-21

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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