FR2275826A1 - Equipement de division d'une precision correspondant a 2n approximations successives - Google Patents

Equipement de division d'une precision correspondant a 2n approximations successives

Info

Publication number
FR2275826A1
FR2275826A1 FR7516980A FR7516980A FR2275826A1 FR 2275826 A1 FR2275826 A1 FR 2275826A1 FR 7516980 A FR7516980 A FR 7516980A FR 7516980 A FR7516980 A FR 7516980A FR 2275826 A1 FR2275826 A1 FR 2275826A1
Authority
FR
France
Prior art keywords
successive approximations
precision corresponding
division equipment
division
equipment
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.)
Granted
Application number
FR7516980A
Other languages
English (en)
Other versions
FR2275826B1 (fr
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
Publication of FR2275826A1 publication Critical patent/FR2275826A1/fr
Application granted granted Critical
Publication of FR2275826B1 publication Critical patent/FR2275826B1/fr
Granted 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
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/535—Indexing scheme relating to groups G06F7/535 - G06F7/5375
    • G06F2207/5355—Using iterative approximation not using digit recurrence, e.g. Newton Raphson or Goldschmidt
FR7516980A 1974-05-31 1975-05-30 Equipement de division d'une precision correspondant a 2n approximations successives Granted FR2275826A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6151074A JPS5534455B2 (fr) 1974-05-31 1974-05-31

Publications (2)

Publication Number Publication Date
FR2275826A1 true FR2275826A1 (fr) 1976-01-16
FR2275826B1 FR2275826B1 (fr) 1981-04-30

Family

ID=13173145

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7516980A Granted FR2275826A1 (fr) 1974-05-31 1975-05-30 Equipement de division d'une precision correspondant a 2n approximations successives

Country Status (5)

Country Link
US (1) US4272827A (fr)
JP (1) JPS5534455B2 (fr)
DE (1) DE2523755C3 (fr)
FR (1) FR2275826A1 (fr)
GB (1) GB1515705A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59115967U (ja) * 1983-01-26 1984-08-04 伏見　和久 布団カバ−
JPH061438B2 (ja) * 1984-04-26 1994-01-05 日本電気株式会社 倍精度乗算器
US5097435A (en) * 1988-12-24 1992-03-17 Kabushiki Kaisha Toshiba High speed dividing apparatus
US5301139A (en) * 1992-08-31 1994-04-05 Intel Corporation Shifter circuit for multiple precision division
US5825681A (en) * 1996-01-24 1998-10-20 Alliance Semiconductor Corporation Divider/multiplier circuit having high precision mode
US20040117423A1 (en) * 2002-12-11 2004-06-17 Xiaohua Shi Signed integer long division apparatus and methods for use with processors
DE10341804A1 (de) * 2003-09-10 2005-04-28 Giesecke & Devrient Gmbh Division von Binärzahlen
US20060095494A1 (en) * 2004-10-28 2006-05-04 Alok Kumar Method and apparatus for efficient software-based integer division

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3389379A (en) * 1965-10-05 1968-06-18 Sperry Rand Corp Floating point system: single and double precision conversions
US3591787A (en) * 1968-01-29 1971-07-06 Ibm Division system and method
US3777132A (en) * 1972-02-23 1973-12-04 Burroughs Corp Method and apparatus for obtaining the reciprocal of a number and the quotient of two numbers
US3787673A (en) * 1972-04-28 1974-01-22 Texas Instruments Inc Pipelined high speed arithmetic unit

Also Published As

Publication number Publication date
US4272827A (en) 1981-06-09
JPS5534455B2 (fr) 1980-09-06
DE2523755C3 (de) 1980-04-17
FR2275826B1 (fr) 1981-04-30
JPS50154037A (fr) 1975-12-11
DE2523755A1 (de) 1976-01-02
GB1515705A (en) 1978-06-28
DE2523755B2 (de) 1979-08-02

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Legal Events

Date Code Title Description
ST Notification of lapse