DE3066464D1 - Method of obtaining the result of a numerical calculation in floating-point representation with the number of exact significant digits, and numerical calculating device for carrying out this method - Google Patents
Method of obtaining the result of a numerical calculation in floating-point representation with the number of exact significant digits, and numerical calculating device for carrying out this methodInfo
- Publication number
- DE3066464D1 DE3066464D1 DE8080400545T DE3066464T DE3066464D1 DE 3066464 D1 DE3066464 D1 DE 3066464D1 DE 8080400545 T DE8080400545 T DE 8080400545T DE 3066464 T DE3066464 T DE 3066464T DE 3066464 D1 DE3066464 D1 DE 3066464D1
- Authority
- DE
- Germany
- Prior art keywords
- result
- value
- mantissa
- numerical
- error information
- Prior art date
- 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
Links
- 238000000034 method Methods 0.000 title abstract 3
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
- G06F7/483—Computations with numbers represented by a non-linear combination of denominational numbers, e.g. rational numbers, logarithmic number system or floating-point numbers
-
- 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
- G06F7/49942—Significance control
-
- 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
- G06F7/49942—Significance control
- G06F7/49947—Rounding
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7910244A FR2455315B1 (fr) | 1979-04-23 | 1979-04-23 | Procede pour fournir un resultat de calcul numerique avec le nombre de chiffres significatifs exacts dans ce resultat et dispositif de calcul numerique mettant en oeuvre ce procede |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3066464D1 true DE3066464D1 (en) | 1984-03-15 |
Family
ID=9224616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8080400545T Expired DE3066464D1 (en) | 1979-04-23 | 1980-04-22 | Method of obtaining the result of a numerical calculation in floating-point representation with the number of exact significant digits, and numerical calculating device for carrying out this method |
Country Status (6)
Country | Link |
---|---|
US (1) | US4386413A (de) |
EP (1) | EP0018298B1 (de) |
JP (1) | JPS5619143A (de) |
AT (1) | ATE6176T1 (de) |
DE (1) | DE3066464D1 (de) |
FR (1) | FR2455315B1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2550362A1 (fr) * | 1983-08-05 | 1985-02-08 | Cazor Denis | Automate de traitement des incertitudes dans les processeurs arithmetiques numeriques |
JPS6043296A (ja) * | 1983-08-17 | 1985-03-07 | Mitsubishi Electric Corp | 半導体記憶装置 |
JPS6125245A (ja) * | 1984-07-12 | 1986-02-04 | Nec Corp | 丸め処理回路 |
JPH07104771B2 (ja) * | 1985-05-10 | 1995-11-13 | 株式会社日立製作所 | 計算機 |
JPS61256436A (ja) * | 1985-05-10 | 1986-11-14 | Hitachi Ltd | 演算装置 |
JPS6243781A (ja) * | 1985-08-20 | 1987-02-25 | Fanuc Ltd | 画像処理装置 |
US4841437A (en) * | 1985-09-18 | 1989-06-20 | Lp Com | System architecture for a test apparatus having primary and dependent processors |
EP0312615B1 (de) * | 1987-04-28 | 1996-11-20 | Fujitsu Ten, Ltd. | Vorrichtung und verfahren zur datenübertragung |
JP2613223B2 (ja) * | 1987-09-10 | 1997-05-21 | 株式会社日立製作所 | 演算装置 |
JPH073979B2 (ja) * | 1987-09-14 | 1995-01-18 | 三菱電機株式会社 | 遠方監視制御システム |
US7430742B2 (en) * | 2003-04-23 | 2008-09-30 | Micron Technology, Inc. | Method for load balancing a line of parallel processing elements |
US7472392B2 (en) * | 2003-04-23 | 2008-12-30 | Micron Technology, Inc. | Method for load balancing an n-dimensional array of parallel processing elements |
US7448038B2 (en) * | 2003-04-23 | 2008-11-04 | Micron Technology, Inc. | Method for using filtering to load balance a loop of parallel processing elements |
US7437729B2 (en) * | 2003-04-23 | 2008-10-14 | Micron Technology, Inc. | Method for load balancing a loop of parallel processing elements |
US7437726B2 (en) * | 2003-04-23 | 2008-10-14 | Micron Technology, Inc. | Method for rounding values for a plurality of parallel processing elements |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49115743A (de) * | 1973-03-09 | 1974-11-05 | ||
US4149261A (en) * | 1976-03-19 | 1979-04-10 | Canon Kabushiki Kaisha | Computer having circuitry for rounding-off insignificant digits |
US4110831A (en) * | 1977-06-29 | 1978-08-29 | International Business Machines Corporation | Method and means for tracking digit significance in arithmetic operations executed on decimal computers |
-
1979
- 1979-04-23 FR FR7910244A patent/FR2455315B1/fr not_active Expired
-
1980
- 1980-04-22 DE DE8080400545T patent/DE3066464D1/de not_active Expired
- 1980-04-22 JP JP5244280A patent/JPS5619143A/ja active Granted
- 1980-04-22 US US06/142,738 patent/US4386413A/en not_active Expired - Lifetime
- 1980-04-22 EP EP80400545A patent/EP0018298B1/de not_active Expired
- 1980-04-22 AT AT80400545T patent/ATE6176T1/de active
Also Published As
Publication number | Publication date |
---|---|
US4386413A (en) | 1983-05-31 |
JPS5619143A (en) | 1981-02-23 |
JPS648856B2 (de) | 1989-02-15 |
ATE6176T1 (de) | 1984-02-15 |
EP0018298B1 (de) | 1984-02-08 |
FR2455315A1 (fr) | 1980-11-21 |
FR2455315B1 (fr) | 1986-10-24 |
EP0018298A1 (de) | 1980-10-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |