PL199449A1 - Urzadzenie do mnozenia liczb,wyrazonych w dodatkowym kodzie - Google Patents

Urzadzenie do mnozenia liczb,wyrazonych w dodatkowym kodzie

Info

Publication number
PL199449A1
PL199449A1 PL19944977A PL19944977A PL199449A1 PL 199449 A1 PL199449 A1 PL 199449A1 PL 19944977 A PL19944977 A PL 19944977A PL 19944977 A PL19944977 A PL 19944977A PL 199449 A1 PL199449 A1 PL 199449A1
Authority
PL
Poland
Prior art keywords
expressed
additional code
counting numbers
counting
numbers
Prior art date
Application number
PL19944977A
Other languages
English (en)
Other versions
PL108592B1 (en
Inventor
Valerij F Gusev
Gennadij N Ivanov
Vladimir J Kontarev
Genrich I Krengel
Mansur Z Sagivaleev
Vjaceslav J Kremlev
Jurij I Scetinin
Azat U Jarmuchametov
Original Assignee
Valerij F Gusev
Gennadij N Ivanov
Vladimir J Kontarev
Genrich I Krengel
Mansur Z Sagivaleev
Kremlev V J
Shchetinin Jury I
Azat U Jarmuchametov
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 Valerij F Gusev, Gennadij N Ivanov, Vladimir J Kontarev, Genrich I Krengel, Mansur Z Sagivaleev, Kremlev V J, Shchetinin Jury I, Azat U Jarmuchametov filed Critical Valerij F Gusev
Publication of PL199449A1 publication Critical patent/PL199449A1/pl
Publication of PL108592B1 publication Critical patent/PL108592B1/pl

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)
PL19944977A 1976-07-07 1977-07-07 Apparatus for multiplying numbers expressed by complementary code PL108592B1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
PL199449A1 true PL199449A1 (pl) 1978-03-28
PL108592B1 PL108592B1 (en) 1980-04-30

Family

ID=20668226

Family Applications (1)

Application Number Title Priority Date Filing Date
PL19944977A PL108592B1 (en) 1976-07-07 1977-07-07 Apparatus for multiplying numbers expressed by complementary code

Country Status (10)

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

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
SU651341A1 (ru) 1979-03-05
IN147436B (pl) 1980-02-23
FR2357958B1 (pl) 1980-03-07
DD131420A1 (de) 1978-06-21
BG29702A1 (en) 1981-01-15
GB1540945A (en) 1979-02-21
RO80742A (ro) 1983-06-01
JPS5317043A (en) 1978-02-16
DE2730793A1 (de) 1978-01-19
FR2357958A1 (fr) 1978-02-03
PL108592B1 (en) 1980-04-30

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Legal Events

Date Code Title Description
LAPS Decisions on the lapse of the protection rights

Effective date: 20090628