DE3030147C2 - - Google Patents

Info

Publication number
DE3030147C2
DE3030147C2 DE19803030147 DE3030147A DE3030147C2 DE 3030147 C2 DE3030147 C2 DE 3030147C2 DE 19803030147 DE19803030147 DE 19803030147 DE 3030147 A DE3030147 A DE 3030147A DE 3030147 C2 DE3030147 C2 DE 3030147C2
Authority
DE
Germany
Prior art keywords
register
memory
mantissa
floating point
function
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
Application number
DE19803030147
Other languages
German (de)
English (en)
Other versions
DE3030147A1 (de
Inventor
Georg Dipl.-Ing. 8520 Frauenaurach De Heinle
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to DE19803030147 priority Critical patent/DE3030147A1/de
Publication of DE3030147A1 publication Critical patent/DE3030147A1/de
Application granted granted Critical
Publication of DE3030147C2 publication Critical patent/DE3030147C2/de
Granted legal-status Critical Current

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
    • G06F7/544—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 for evaluating functions by calculation
    • G06F7/552—Powers or roots, e.g. Pythagorean sums
    • 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
    • G06F7/544—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 for evaluating functions by calculation
    • G06F7/552—Powers or roots, e.g. Pythagorean sums
    • G06F7/5525—Roots or inverse roots of single operands
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/552—Indexing scheme relating to groups G06F7/552 - G06F7/5525
    • G06F2207/5523—Calculates a power, e.g. the square, of a number or a function, e.g. polynomials

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Mathematical Optimization (AREA)
  • General Engineering & Computer Science (AREA)
  • Complex Calculations (AREA)
  • Executing Machine-Instructions (AREA)
DE19803030147 1980-08-08 1980-08-08 Verfahren zur naeherungsweisen bildung der funktion x (pfeil hoch)2(pfeil hoch)(pfeil hoch)y(pfeil hoch) einer normalisierten, binaeren gleitkommazahl x und schaltungsanordnung zur durchfuehrung des verfahrens Granted DE3030147A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19803030147 DE3030147A1 (de) 1980-08-08 1980-08-08 Verfahren zur naeherungsweisen bildung der funktion x (pfeil hoch)2(pfeil hoch)(pfeil hoch)y(pfeil hoch) einer normalisierten, binaeren gleitkommazahl x und schaltungsanordnung zur durchfuehrung des verfahrens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803030147 DE3030147A1 (de) 1980-08-08 1980-08-08 Verfahren zur naeherungsweisen bildung der funktion x (pfeil hoch)2(pfeil hoch)(pfeil hoch)y(pfeil hoch) einer normalisierten, binaeren gleitkommazahl x und schaltungsanordnung zur durchfuehrung des verfahrens

Publications (2)

Publication Number Publication Date
DE3030147A1 DE3030147A1 (de) 1982-02-25
DE3030147C2 true DE3030147C2 (enrdf_load_stackoverflow) 1987-08-20

Family

ID=6109239

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803030147 Granted DE3030147A1 (de) 1980-08-08 1980-08-08 Verfahren zur naeherungsweisen bildung der funktion x (pfeil hoch)2(pfeil hoch)(pfeil hoch)y(pfeil hoch) einer normalisierten, binaeren gleitkommazahl x und schaltungsanordnung zur durchfuehrung des verfahrens

Country Status (1)

Country Link
DE (1) DE3030147A1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1006437A1 (en) 1998-11-30 2000-06-07 TELEFONAKTIEBOLAGET L M ERICSSON (publ) Digital value processor for estimating the square of a digital value

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4139899A (en) * 1976-10-18 1979-02-13 Burroughs Corporation Shift network having a mask generator and a rotator

Also Published As

Publication number Publication date
DE3030147A1 (de) 1982-02-25

Similar Documents

Publication Publication Date Title
DE2934971C2 (de) Nach dem Fließbandprinzip arbeitender Zentralprozessor
DE3688640T2 (de) Suchgerät.
DE1162111B (de) Gleitkomma-Recheneinrichtung
DE1956209C3 (de) Multipliziervorrichtung
DE19758079A1 (de) Verfahren und Vorrichtung zur Galoisfeld-Multiplikation
DE2311220A1 (de) Digital-informations-verarbeitungsvorrichtung zur zeichenerkennung
DE2913327C2 (de) Matrix-Multiplizierer
DE2803425A1 (de) Digitaleinrichtung zur ermittlung des wertes von komplexen arithmetischen ausdruecken
DE1197650B (de) Parallel-Addierer
DE4403917A1 (de) Vorrichtung zum Berechnen einer Besetzungszählung
DE2063199B2 (de) Einrichtung zur Ausführung logischer Funktionen
DE2212967A1 (de) Einrichtung und Verfahren zur Verwendung eines dreifeldrigen Wortes zur Darstellung einer Gleitkommazahl
DE3020767A1 (de) Schaltungsanordnung zur multiplikation zweier ganzer zahlen
DE1549508B2 (de) Anordnung zur uebertragsberechnung mit kurzer signallaufzeit
DE2830334C2 (enrdf_load_stackoverflow)
DE3340362C2 (enrdf_load_stackoverflow)
DE2848096A1 (de) Digitale addieranordnung
DE3434777A1 (de) Verfahren und vorrichtung zur vorzeichenerzeugung fuer einen uebertragsicherstellungsaddierer
DE3440680A1 (de) Verfahren und vorrichtung zur dezimaldivision
DE3030147C2 (enrdf_load_stackoverflow)
DE1222290B (de) Binaere Recheneinrichtung zur Bildung und Akkumulation von Produkten
EP0629943B1 (de) Multiplizierer für reelle und komplexe Zahlen
DE3302885A1 (de) Verfahren und vorrichtung zur multiplikation
DE1126163B (de) Verfahren und Vorrichtung zur Multiplikation
DE3030124C2 (enrdf_load_stackoverflow)

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee