JPS4996647A - - Google Patents

Info

Publication number
JPS4996647A
JPS4996647A JP48121540A JP12154073A JPS4996647A JP S4996647 A JPS4996647 A JP S4996647A JP 48121540 A JP48121540 A JP 48121540A JP 12154073 A JP12154073 A JP 12154073A JP S4996647 A JPS4996647 A JP S4996647A
Authority
JP
Japan
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
JP48121540A
Other languages
Japanese (ja)
Other versions
JPS5342505B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
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 filed Critical
Publication of JPS4996647A publication Critical patent/JPS4996647A/ja
Publication of JPS5342505B2 publication Critical patent/JPS5342505B2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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
    • G06F2207/5351—Multiplicative non-restoring division, e.g. SRT, using multiplication in quotient selection
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F2207/5352—Non-restoring division not covered by G06F7/5375
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F2207/5356—Via reciprocal, i.e. calculate reciprocal only, or calculate reciprocal first and then the quotient from the reciprocal and the numerator

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)
  • Eyeglasses (AREA)
  • Complex Calculations (AREA)
JP12154073A 1972-10-30 1973-10-29 Expired JPS5342505B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00302223A US3828175A (en) 1972-10-30 1972-10-30 Method and apparatus for division employing table-lookup and functional iteration

Publications (2)

Publication Number Publication Date
JPS4996647A true JPS4996647A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-09-12
JPS5342505B2 JPS5342505B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-11-11

Family

ID=23166833

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12154073A Expired JPS5342505B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-10-30 1973-10-29

Country Status (2)

Country Link
US (1) US3828175A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5342505B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5381275A (en) * 1976-12-27 1978-07-18 Meidensha Electric Mfg Co Ltd F-v converting method and system
JPS54130073A (en) * 1978-03-30 1979-10-09 Ono Sokki Seisakusho Kk Frequencyyvoltage converter
JPS60142738A (ja) * 1983-12-30 1985-07-27 Hitachi Ltd 内挿近似を使用する除算装置
JPH02227726A (ja) * 1989-01-13 1990-09-10 Internatl Business Mach Corp <Ibm> 制御方法

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4364115A (en) * 1977-07-18 1982-12-14 Hitohisa Asai Apparatus for digital division computation
JPS55103642A (en) * 1979-02-01 1980-08-08 Tetsunori Nishimoto Division unit
JPS5633734A (en) * 1979-08-25 1981-04-04 Aisuke Katayama Divisor conversion type high-speed division system
JPS5738071A (en) * 1980-08-19 1982-03-02 Fuji Photo Film Co Ltd Output compensation device
US4481600A (en) * 1982-03-26 1984-11-06 Hitohisa Asai Apparatus for speeding up digital division in radix-2n machine
US4482975A (en) * 1982-03-29 1984-11-13 Motorola, Inc. Function generator
DE3376907D1 (en) * 1982-06-15 1988-07-07 Toshiba Kk Apparatus for dividing the elements of a galois field
US4594680A (en) * 1983-05-04 1986-06-10 Sperry Corporation Apparatus for performing quadratic convergence division in a large data processing system
JPS60164837A (ja) * 1984-02-07 1985-08-27 Nec Corp 除算装置
US4718032A (en) * 1985-02-14 1988-01-05 Prime Computer, Inc. Method and apparatus for effecting range transformation in a digital circuitry
US4724529A (en) * 1985-02-14 1988-02-09 Prime Computer, Inc. Method and apparatus for numerical division
EP0394499B1 (en) * 1988-11-04 1997-10-08 Hitachi, Ltd. Apparatus for multiplication, division and extraction of square root
US5047973A (en) * 1989-04-26 1991-09-10 Texas Instruments Incorporated High speed numerical processor for performing a plurality of numeric functions
US5046038A (en) * 1989-07-07 1991-09-03 Cyrix Corporation Method and apparatus for performing division using a rectangular aspect ratio multiplier
US5307303A (en) * 1989-07-07 1994-04-26 Cyrix Corporation Method and apparatus for performing division using a rectangular aspect ratio multiplier
US5065352A (en) * 1989-08-16 1991-11-12 Matsushita Electric Industrial Co., Ltd. Divide apparatus employing multiplier with overlapped partial quotients
US5042001A (en) * 1989-10-02 1991-08-20 Cyrix Corporation Method and apparatus for performing mathematical functions using polynomial approximation and a rectangular aspect ratio multiplier
DE69231051T2 (de) * 1991-09-05 2001-01-18 Cyrix Corp Verfahren und Anordnung zur vorteilierten Division
FR2690771A1 (fr) * 1992-04-29 1993-11-05 Philips Electronique Lab Processeur neuronal muni de moyens pour normaliser des données.
US6643765B1 (en) 1995-08-16 2003-11-04 Microunity Systems Engineering, Inc. Programmable processor with group floating point operations
JP3660075B2 (ja) * 1996-10-04 2005-06-15 株式会社ルネサステクノロジ 除算装置
AU2003233499A1 (en) * 2002-08-07 2004-02-25 Thomson Licensing S.A. Apparatus and method for computing a reciprocal of a complex number
US7526340B2 (en) * 2004-10-29 2009-04-28 Medtronic, Inc. Division approximation for implantable medical devices
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
US7747667B2 (en) * 2005-02-16 2010-06-29 Arm Limited Data processing apparatus and method for determining an initial estimate of a result value of a reciprocal operation
US8015228B2 (en) 2005-02-16 2011-09-06 Arm Limited Data processing apparatus and method for performing a reciprocal operation on an input value to produce a result value
TWI640918B (zh) * 2016-03-02 2018-11-11 瑞昱半導體股份有限公司 快速除法器及快速除法運算方法
CN106775587B (zh) * 2016-11-30 2020-04-14 上海兆芯集成电路有限公司 计算机指令的执行方法以及使用此方法的装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591787A (en) * 1968-01-29 1971-07-06 Ibm Division system and method
US3648038A (en) * 1969-04-25 1972-03-07 Ibm Apparatus and method for obtaining the reciprocal of a number and the quotient of two numbers
US3633018A (en) * 1969-12-18 1972-01-04 Ibm Digital division by reciprocal conversion technique

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5381275A (en) * 1976-12-27 1978-07-18 Meidensha Electric Mfg Co Ltd F-v converting method and system
JPS54130073A (en) * 1978-03-30 1979-10-09 Ono Sokki Seisakusho Kk Frequencyyvoltage converter
JPS60142738A (ja) * 1983-12-30 1985-07-27 Hitachi Ltd 内挿近似を使用する除算装置
JPH02227726A (ja) * 1989-01-13 1990-09-10 Internatl Business Mach Corp <Ibm> 制御方法

Also Published As

Publication number Publication date
JPS5342505B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-11-11
US3828175A (en) 1974-08-06

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