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
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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)
- Logic Circuits (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Complex Calculations (AREA)
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 (zh) |
Family
ID=22465730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL282621D NL282621A (zh) | 1961-08-30 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3192366A (zh) |
CH (1) | CH410478A (zh) |
DE (1) | DE1424926B1 (zh) |
GB (1) | GB960951A (zh) |
NL (1) | NL282621A (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1053147A (zh) * | 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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL186882B (nl) * | 1953-04-20 | Mita Industrial Co Ltd | Lichtgevoelig papier voor elektrofotografie. | |
US3069085A (en) * | 1958-04-15 | 1962-12-18 | Ibm | Binary digital multiplier |
-
0
- NL NL282621D patent/NL282621A/xx unknown
-
1961
- 1961-08-30 US US134945A patent/US3192366A/en not_active Expired - Lifetime
-
1962
- 1962-07-18 GB GB27675/62A patent/GB960951A/en not_active Expired
- 1962-08-16 DE DE19621424926 patent/DE1424926B1/de not_active Withdrawn
- 1962-08-28 CH CH1019562A patent/CH410478A/de unknown
Also Published As
Publication number | Publication date |
---|---|
US3192366A (en) | 1965-06-29 |
CH410478A (de) | 1966-03-31 |
DE1424926B1 (de) | 1969-09-25 |
GB960951A (en) | 1964-06-17 |