DE69225654T2 - Wandler fuer numerische ausdruecke und ihn benuetzender vektorprozessor - Google Patents

Wandler fuer numerische ausdruecke und ihn benuetzender vektorprozessor

Info

Publication number
DE69225654T2
DE69225654T2 DE69225654T DE69225654T DE69225654T2 DE 69225654 T2 DE69225654 T2 DE 69225654T2 DE 69225654 T DE69225654 T DE 69225654T DE 69225654 T DE69225654 T DE 69225654T DE 69225654 T2 DE69225654 T2 DE 69225654T2
Authority
DE
Germany
Prior art keywords
converter
vector processor
numerical expressions
expressions
numerical
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 - Fee Related
Application number
DE69225654T
Other languages
English (en)
Other versions
DE69225654D1 (de
Inventor
Koichi Hatta
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 Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE69225654D1 publication Critical patent/DE69225654D1/de
Application granted granted Critical
Publication of DE69225654T2 publication Critical patent/DE69225654T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/14—Conversion to or from non-weighted codes
    • H03M7/24—Conversion to or from floating-point codes
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Mathematical Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Algebra (AREA)
  • Pure & Applied Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • Complex Calculations (AREA)
  • Image Processing (AREA)
DE69225654T 1991-03-19 1992-03-18 Wandler fuer numerische ausdruecke und ihn benuetzender vektorprozessor Expired - Fee Related DE69225654T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3055183A JPH04290122A (ja) 1991-03-19 1991-03-19 数値表現変換装置
PCT/JP1992/000324 WO1992016891A1 (en) 1991-03-19 1992-03-18 Numerical expression converter and vector processor using the same

Publications (2)

Publication Number Publication Date
DE69225654D1 DE69225654D1 (de) 1998-07-02
DE69225654T2 true DE69225654T2 (de) 1998-09-24

Family

ID=12991603

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69225654T Expired - Fee Related DE69225654T2 (de) 1991-03-19 1992-03-18 Wandler fuer numerische ausdruecke und ihn benuetzender vektorprozessor

Country Status (6)

Country Link
US (1) US5508948A (de)
EP (1) EP0530372B1 (de)
JP (1) JPH04290122A (de)
KR (1) KR960003044B1 (de)
DE (1) DE69225654T2 (de)
WO (1) WO1992016891A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5619198A (en) * 1994-12-29 1997-04-08 Tektronix, Inc. Number format conversion apparatus for signal processing
GB9514695D0 (en) * 1995-07-18 1995-09-13 Sgs Thomson Microelectronics Combining data values
US6046746A (en) * 1996-07-01 2000-04-04 Sun Microsystems, Inc. Method and apparatus implementing high resolution rendition of Z-buffered primitives
US6115047A (en) * 1996-07-01 2000-09-05 Sun Microsystems, Inc. Method and apparatus for implementing efficient floating point Z-buffering
US5995992A (en) * 1997-11-17 1999-11-30 Bull Hn Information Systems Inc. Conditional truncation indicator control for a decimal numeric processor employing result truncation
US6965906B1 (en) * 1999-08-19 2005-11-15 National Semiconductor Corporation Converting negative floating point numbers to integer notation without two's complement hardware
US6415308B1 (en) * 1999-08-19 2002-07-02 National Semiconductor Corporation Converting negative floating point numbers to integer notation without two's complement hardware
JP4086459B2 (ja) * 2000-11-13 2008-05-14 Ｎｅｃエレクトロニクス株式会社 固定小数点データ生成方法及び固定小数点データ生成回路
US6907435B2 (en) * 2001-02-27 2005-06-14 Microsoft Corporation Converting numeric values to strings for optimized database storage
US6707865B2 (en) * 2001-07-16 2004-03-16 Qualcomm Incorporated Digital voltage gain amplifier for zero IF architecture
US6614369B1 (en) * 2002-03-05 2003-09-02 International Business Machines Corporation DC balanced 7B/8B, 9B/10B, and partitioned DC balanced 12B/14B, 17B/20B, and 16B/18B transmission codes
US7062525B1 (en) 2002-08-30 2006-06-13 Lsi Logic Corporation Circuit and method for normalizing and rounding floating-point results and processor incorporating the circuit or the method
JP2009099084A (ja) * 2007-10-19 2009-05-07 Kyocera Corp 変換装置
US7694112B2 (en) 2008-01-31 2010-04-06 International Business Machines Corporation Multiplexing output from second execution unit add/saturation processing portion of wider width intermediate result of first primitive execution unit for compound computation
US8196024B2 (en) * 2008-06-27 2012-06-05 Wi-Lan Inc. Demapper using floating-point representation of soft bits
US9104479B2 (en) 2011-12-07 2015-08-11 Arm Limited Apparatus and method for rounding a floating-point value to an integral floating-point value
US9722629B2 (en) * 2015-01-15 2017-08-01 Huawei Technologies Co., Ltd. Method and apparatus for converting from floating point to integer representation
GB2560766B (en) 2017-03-24 2019-04-03 Imagination Tech Ltd Floating point to fixed point conversion
GB2560830B (en) * 2017-03-24 2019-04-03 Imagination Tech Ltd Floating point to fixed point conversion
GB2556645B (en) 2017-03-24 2019-04-03 Imagination Tech Ltd Floating point to fixed point conversion

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5776634A (en) * 1980-10-31 1982-05-13 Hitachi Ltd Digital signal processor
US4700319A (en) * 1985-06-06 1987-10-13 The United States Of America As Represented By The Secretary Of The Air Force Arithmetic pipeline for image processing
US4815021A (en) * 1986-01-30 1989-03-21 Star Technologies, Inc. Multifunction arithmetic logic unit circuit
JPS6370333A (ja) * 1986-09-12 1988-03-30 Toshiba Corp デジタル演算装置
JP2509279B2 (ja) * 1988-02-16 1996-06-19 富士通株式会社 浮動小数点数一固定小数点数変換装置
US5161117A (en) * 1989-06-05 1992-11-03 Fairchild Weston Systems, Inc. Floating point conversion device and method
JPH0340129A (ja) * 1989-07-07 1991-02-20 Fujitsu Ltd 浮動小数点加算器

Also Published As

Publication number Publication date
KR930700904A (ko) 1993-03-16
US5508948A (en) 1996-04-16
DE69225654D1 (de) 1998-07-02
EP0530372B1 (de) 1998-05-27
WO1992016891A1 (en) 1992-10-01
EP0530372A4 (en) 1995-11-22
JPH04290122A (ja) 1992-10-14
KR960003044B1 (ko) 1996-03-04
EP0530372A1 (de) 1993-03-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee