DD131420A1 - Multiplikationseinrichtung fuer im komplementcode dargestellten zahlen - Google Patents

Multiplikationseinrichtung fuer im komplementcode dargestellten zahlen

Info

Publication number
DD131420A1
DD131420A1 DD19992377A DD19992377A DD131420A1 DD 131420 A1 DD131420 A1 DD 131420A1 DD 19992377 A DD19992377 A DD 19992377A DD 19992377 A DD19992377 A DD 19992377A DD 131420 A1 DD131420 A1 DD 131420A1
Authority
DD
German Democratic Republic
Prior art keywords
complement code
numbers displayed
multiplication device
multiplication
displayed
Prior art date
Application number
DD19992377A
Other languages
German (de)
English (en)
Inventor
Valery F Gusev
Gennady N Ivanov
Vladimir Y Kontarev
Genrikh I Krengel
Mansur Z Shagivaleev
Vyacheslav Y Kremlev
Jury I Schetinin
Azat U Yarmukhametov
Original Assignee
Gusev Valery
Ivanov Gennadij N
Kontarev Vladimir Ya
Krengel Genrikh
Mansur Z Shagivaleev
Vyacheslav Y Kremlev
Jury I Schetinin
Jarmuchametov Azat U
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 Gusev Valery, Ivanov Gennadij N, Kontarev Vladimir Ya, Krengel Genrikh, Mansur Z Shagivaleev, Vyacheslav Y Kremlev, Jury I Schetinin, Jarmuchametov Azat U filed Critical Gusev Valery
Publication of DD131420A1 publication Critical patent/DD131420A1/xx

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48Methods 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
    • G06F7/52Multiplying; Dividing
    • G06F7/523Multiplying only
    • G06F7/533Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even
    • G06F7/5334Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even by using multiple bit scanning, i.e. by decoding groups of successive multiplier bits in order to select an appropriate precalculated multiple of the multiplicand as a partial product
    • G06F7/5336Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even by using multiple bit scanning, i.e. by decoding groups of successive multiplier bits in order to select an appropriate precalculated multiple of the multiplicand as a partial product overlapped, i.e. with successive bitgroups sharing one or more bits being recoded into signed digit representation, e.g. using the Modified Booth Algorithm
    • G06F7/5338Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even by using multiple bit scanning, i.e. by decoding groups of successive multiplier bits in order to select an appropriate precalculated multiple of the multiplicand as a partial product overlapped, i.e. with successive bitgroups sharing one or more bits being recoded into signed digit representation, e.g. using the Modified Booth Algorithm each bitgroup having two new bits, e.g. 2nd order MBA

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)
DD19992377A 1976-07-07 1977-07-06 Multiplikationseinrichtung fuer im komplementcode dargestellten zahlen DD131420A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU762379678A SU651341A1 (ru) 1976-07-07 1976-07-07 Устройство дл умножени

Publications (1)

Publication Number Publication Date
DD131420A1 true DD131420A1 (de) 1978-06-21

Family

ID=20668226

Family Applications (1)

Application Number Title Priority Date Filing Date
DD19992377A DD131420A1 (de) 1976-07-07 1977-07-06 Multiplikationseinrichtung fuer im komplementcode dargestellten zahlen

Country Status (10)

Country Link
JP (1) JPS5317043A (ru)
BG (1) BG29702A1 (ru)
DD (1) DD131420A1 (ru)
DE (1) DE2730793A1 (ru)
FR (1) FR2357958A1 (ru)
GB (1) GB1540945A (ru)
IN (1) IN147436B (ru)
PL (1) PL108592B1 (ru)
RO (1) RO80742A (ru)
SU (1) SU651341A1 (ru)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4334284A (en) * 1979-12-31 1982-06-08 Sperry Corporation Multiplier decoding using parallel MQ register
JPS57141753A (en) * 1981-02-25 1982-09-02 Nec Corp Multiplication circuit

Also Published As

Publication number Publication date
RO80742B (ro) 1983-05-30
JPS5317043A (en) 1978-02-16
RO80742A (ro) 1983-06-01
DE2730793A1 (de) 1978-01-19
PL199449A1 (pl) 1978-03-28
IN147436B (ru) 1980-02-23
GB1540945A (en) 1979-02-21
FR2357958A1 (fr) 1978-02-03
PL108592B1 (en) 1980-04-30
FR2357958B1 (ru) 1980-03-07
SU651341A1 (ru) 1979-03-05
BG29702A1 (en) 1981-01-15

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