NL282621A - - Google Patents

Info

Publication number
NL282621A
NL282621A NL282621DA NL282621A NL 282621 A NL282621 A NL 282621A NL 282621D A NL282621D A NL 282621DA NL 282621 A NL282621 A NL 282621A
Authority
NL
Netherlands
Application number
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.)
Publication of NL282621A publication Critical patent/NL282621A/xx

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
    • G06F7/523—Multiplying only
    • G06F7/533—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even
    • G06F7/5334—Reduction 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
    • G06F7/5336—Reduction 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
    • G06F7/5338—Reduction 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
    • 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
    • G06F7/499—Denomination or exception handling, e.g. rounding or overflow
    • G06F7/49905—Exception handling

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Complex Calculations (AREA)
  • Logic Circuits (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
NL282621D 1961-08-30 NL282621A (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US134945A US3192366A (en) 1961-08-30 1961-08-30 Fast multiply system

Publications (1)

Publication Number Publication Date
NL282621A true NL282621A (OSRAM)

Family

ID=22465730

Family Applications (1)

Application Number Title Priority Date Filing Date
NL282621D NL282621A (OSRAM) 1961-08-30

Country Status (5)

Country Link
US (1) US3192366A (OSRAM)
CH (1) CH410478A (OSRAM)
DE (1) DE1424926B1 (OSRAM)
GB (1) GB960951A (OSRAM)
NL (1) NL282621A (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1053147A (OSRAM) * 1963-06-04
US3300626A (en) * 1964-04-14 1967-01-24 Rca Corp Multiplier for binary octal coded numbers
US3500027A (en) * 1967-02-27 1970-03-10 North American Rockwell Computer having sum of products instruction capability
GB2447428A (en) * 2007-03-15 2008-09-17 Linear Algebra Technologies Lt Processor having a trivial operand register

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE528222A (OSRAM) * 1953-04-20
US3069085A (en) * 1958-04-15 1962-12-18 Ibm Binary digital multiplier

Also Published As

Publication number Publication date
US3192366A (en) 1965-06-29
GB960951A (en) 1964-06-17
CH410478A (de) 1966-03-31
DE1424926B1 (de) 1969-09-25

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