CA1022682A - Comparateur d'operandes - Google Patents

Comparateur d'operandes

Info

Publication number: CA1022682A
Authority: CA; Canada
Prior art keywords: operand comparator; operand; comparator
Prior art date: 1973-05-14
Legal status (The legal status 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 status listed.): Expired

Application number

CA196,723A

Other languages

English (en)

Inventor

Michael R. Clements

Dee E. Larsen

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Fujitsu IT Holdings Inc

Original Assignee

Amdahl Corp

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.)

1973-05-14

Filing date

1974-04-03

Publication date

1977-12-13

1974-04-03 Application filed by Amdahl Corp filed Critical Amdahl Corp

1977-12-13 Application granted granted Critical

1977-12-13 Publication of CA1022682A publication Critical patent/CA1022682A/fr

Status Expired legal-status Critical Current

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
- G06F7/02—Comparing digital values
- G06F7/026—Magnitude comparison, i.e. determining the relative order of operands based on their numerical value, e.g. window comparator
- 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
- G06F7/483—Computations with numbers represented by a non-linear combination of denominational numbers, e.g. rational numbers, logarithmic number system or floating-point numbers

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Theoretical Computer Science (AREA)
Computational Mathematics (AREA)
Mathematical Analysis (AREA)
Mathematical Optimization (AREA)
Pure & Applied Mathematics (AREA)
General Engineering & Computer Science (AREA)
Executing Machine-Instructions (AREA)
Complex Calculations (AREA)

CA196,723A 1973-05-14 1974-04-03 Comparateur d'operandes Expired CA1022682A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US00360331A US3825895A (en)	1973-05-14	1973-05-14	Operand comparator

Publications (1)

Publication Number	Publication Date
CA1022682A true CA1022682A (fr)	1977-12-13

Family

ID=23417529

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA196,723A Expired CA1022682A (fr)	1973-05-14	1974-04-03	Comparateur d'operandes

Country Status (6)

Country	Link
US (1)	US3825895A (fr)
JP (1)	JPS5629303B2 (fr)
CA (1)	CA1022682A (fr)
DE (1)	DE2421130A1 (fr)
FR (1)	FR2230015B1 (fr)
GB (1)	GB1453769A (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4007439A (en) *	1975-08-18	1977-02-08	Burroughs Corporation	Select high/low register method and apparatus
DE3484512D1 (de) *	1984-01-03	1991-05-29	Motorola Inc	Gleitkomma-zustandskode-erzeugung.
US4683546A (en) *	1984-01-03	1987-07-28	Motorola, Inc.	Floating point condition code generation
JPS6111003U (ja) *	1984-06-27	1986-01-22	パイオニア株式会社	コ−ドクランパ−
US4967351A (en) *	1986-10-17	1990-10-30	Amdahl Corporation	Central processor architecture implementing deterministic early condition code analysis using digit based, subterm computation and selective subterm combination
AU606559B2 (en) *	1987-12-24	1991-02-07	Nec Corporation	Circuit for comparing a plurality of binary inputs
JPH0776911B2 (ja) *	1988-03-23	1995-08-16	松下電器産業株式会社	浮動小数点演算装置
GB2317248B (en)	1996-09-02	2001-08-15	Siemens Plc	Floating point number data processing means
GB9618262D0 (en) *	1996-09-02	1996-10-16	Siemens Plc	Floating point number data processing means for microcontrollers
US6298365B1 (en) *	1999-02-24	2001-10-02	International Business Machines Corporation	Method and system for bounds comparator
US9280480B2 (en)	2008-01-11	2016-03-08	International Business Machines Corporation	Extract target cache attribute facility and instruction therefor
US7739434B2 (en) *	2008-01-11	2010-06-15	International Business Machines Corporation	Performing a configuration virtual topology change and instruction therefore
US7895419B2 (en)	2008-01-11	2011-02-22	International Business Machines Corporation	Rotate then operate on selected bits facility and instructions therefore
US7734900B2 (en) *	2008-01-11	2010-06-08	International Business Machines Corporation	Computer configuration virtual topology discovery and instruction therefore
US20090182984A1 (en) *	2008-01-11	2009-07-16	International Business Machines Corporation	Execute Relative Long Facility and Instructions Therefore
US20090182992A1 (en) *	2008-01-11	2009-07-16	International Business Machines Corporation	Load Relative and Store Relative Facility and Instructions Therefore
US20090182985A1 (en) *	2008-01-11	2009-07-16	International Business Machines Corporation	Move Facility and Instructions Therefore
US20090182988A1 (en) *	2008-01-11	2009-07-16	International Business Machines Corporation	Compare Relative Long Facility and Instructions Therefore
US7870339B2 (en)	2008-01-11	2011-01-11	International Business Machines Corporation	Extract cache attribute facility and instruction therefore

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2884616A (en) *	1954-04-30	1959-04-28	Rca Corp	Multiple character comparator
US3143645A (en) *	1961-02-01	1964-08-04	Hughes Aircraft Co	Two-way data compare-sort apparatus
US3241114A (en) *	1962-11-27	1966-03-15	Rca Corp	Comparator systems
CH431145A (de) *	1963-04-22	1967-02-28	Licentia Gmbh	Digitales Vergleichsglied
US3316535A (en) *	1965-04-02	1967-04-25	Bell Telephone Labor Inc	Comparator circuit
US3390378A (en) *	1965-10-22	1968-06-25	Nasa Usa	Comparator for the comparison of two binary numbers
US3492644A (en) *	1966-03-02	1970-01-27	Monroe Int	Parallel comparator using transistor logic
US3601804A (en) *	1969-03-14	1971-08-24	British Aircraft Corp Ltd	Digital comparator utilizing dual circuits for self-checking
US3660823A (en) *	1970-07-20	1972-05-02	Honeywell Inc	Serial bit comparator with selectable bases of comparison

1973
- 1973-05-14 US US00360331A patent/US3825895A/en not_active Expired - Lifetime
1974
- 1974-04-03 GB GB1479374A patent/GB1453769A/en not_active Expired
- 1974-04-03 CA CA196,723A patent/CA1022682A/fr not_active Expired
- 1974-04-26 JP JP4743574A patent/JPS5629303B2/ja not_active Expired
- 1974-05-02 DE DE2421130A patent/DE2421130A1/de active Granted
- 1974-05-13 FR FR7416440A patent/FR2230015B1/fr not_active Expired

Also Published As

Publication number	Publication date
FR2230015A1 (fr)	1974-12-13
FR2230015B1 (fr)	1978-03-24
JPS5054258A (fr)	1975-05-13
DE2421130A1 (de)	1974-12-05
DE2421130C2 (fr)	1987-07-16
GB1453769A (en)	1976-10-27
JPS5629303B2 (fr)	1981-07-07
US3825895A (en)	1974-07-23

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CA1022682A (fr)	1977-12-13	Comparateur d'operandes
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AU491458B2 (en)	1976-06-24	7-halomethyl-17-hydroxy-3-oxo-17 -pregn-4-ene-21-carboxylic acid -lactones
AU492033B2 (en)	1976-06-03	D-homo-20-keto-pregnanes
AU492165B2 (en)	1976-01-15	2-hydroxyphenyl-1-oxa-4 azaspiro-alkan-derivatives