BG29702A1 - Apparatus for figure multiplication represented in additional code - Google Patents

Apparatus for figure multiplication represented in additional code

Info

Publication number
BG29702A1
BG29702A1 BG7736825A BG3682577A BG29702A1 BG 29702 A1 BG29702 A1 BG 29702A1 BG 7736825 A BG7736825 A BG 7736825A BG 3682577 A BG3682577 A BG 3682577A BG 29702 A1 BG29702 A1 BG 29702A1
Authority
BG
Bulgaria
Prior art keywords
additional code
multiplication represented
multiplication
represented
code
Prior art date
Application number
BG7736825A
Other languages
Bulgarian (bg)
English (en)
Inventor
Gusev
Ivanov
Kontarev
Krengel
Shagivaleev
Kremlev
Hhetinin
Jarmukhametov
Original Assignee
Gusev
Ivanov
Kontarev Vladimir Ya
Krengel Genrikh
Shagivaleev
Kremlev V J
Hhetinin
Jarmukhametov
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, Ivanov, Kontarev Vladimir Ya, Krengel Genrikh, Shagivaleev, Kremlev V J, Hhetinin, Jarmukhametov filed Critical Gusev
Publication of BG29702A1 publication Critical patent/BG29702A1/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)
BG7736825A 1976-07-07 1977-07-07 Apparatus for figure multiplication represented in additional code BG29702A1 (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 (1)

Publication Number Publication Date
BG29702A1 true BG29702A1 (en) 1981-01-15

Family

ID=20668226

Family Applications (1)

Application Number Title Priority Date Filing Date
BG7736825A BG29702A1 (en) 1976-07-07 1977-07-07 Apparatus for figure multiplication represented in additional code

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
SU651341A1 (ru) 1979-03-05
DD131420A1 (de) 1978-06-21
FR2357958B1 (ru) 1980-03-07
PL108592B1 (en) 1980-04-30
PL199449A1 (pl) 1978-03-28
IN147436B (ru) 1980-02-23
DE2730793A1 (de) 1978-01-19
RO80742B (ro) 1983-05-30
FR2357958A1 (fr) 1978-02-03
GB1540945A (en) 1979-02-21
JPS5317043A (en) 1978-02-16
RO80742A (ro) 1983-06-01

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