CN100562845C - 使用缩减宽度数据进行计算的方法和装置 - Google Patents
使用缩减宽度数据进行计算的方法和装置 Download PDFInfo
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- CN100562845C CN100562845C CNB2004800362153A CN200480036215A CN100562845C CN 100562845 C CN100562845 C CN 100562845C CN B2004800362153 A CNB2004800362153 A CN B2004800362153A CN 200480036215 A CN200480036215 A CN 200480036215A CN 100562845 C CN100562845 C CN 100562845C
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- 238000012884 algebraic function Methods 0.000 claims description 10
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- 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
- G06F7/544—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; CALCULATING OR 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
-
- 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
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- 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)
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Abstract
Description
Claims (24)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910179405.5A CN101676862B (zh) | 2003-12-03 | 2004-11-17 | 使用缩减宽度数据进行计算的方法和装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/726,828 US7457838B2 (en) | 2003-12-03 | 2003-12-03 | Methods and apparatus for performing calculations using reduced-width data |
US10/726,828 | 2003-12-03 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200910179405.5A Division CN101676862B (zh) | 2003-12-03 | 2004-11-17 | 使用缩减宽度数据进行计算的方法和装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1890628A CN1890628A (zh) | 2007-01-03 |
CN100562845C true CN100562845C (zh) | 2009-11-25 |
Family
ID=34633387
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004800362153A Expired - Fee Related CN100562845C (zh) | 2003-12-03 | 2004-11-17 | 使用缩减宽度数据进行计算的方法和装置 |
CN200910179405.5A Expired - Fee Related CN101676862B (zh) | 2003-12-03 | 2004-11-17 | 使用缩减宽度数据进行计算的方法和装置 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200910179405.5A Expired - Fee Related CN101676862B (zh) | 2003-12-03 | 2004-11-17 | 使用缩减宽度数据进行计算的方法和装置 |
Country Status (4)
Country | Link |
---|---|
US (3) | US7457838B2 (zh) |
EP (1) | EP1690181B1 (zh) |
CN (2) | CN100562845C (zh) |
WO (1) | WO2005062164A2 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7366745B1 (en) * | 2004-06-03 | 2008-04-29 | Nvidia Corporation | High-speed function approximation |
CN101458578A (zh) * | 2007-12-12 | 2009-06-17 | 联想(北京)有限公司 | 鼠标及光标控制方法 |
JP2010170196A (ja) * | 2009-01-20 | 2010-08-05 | Sony Corp | 演算プログラム変換装置、演算プログラム変換方法およびプログラム |
CN105138305B (zh) * | 2015-09-25 | 2018-11-27 | 上海兆芯集成电路有限公司 | 高精度的三角函数计算方法以及装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5179659A (en) * | 1987-05-08 | 1993-01-12 | Sun Microsystems, Inc. | Method and apparatus for deriving instantaneous reciprocals of the homogenous coordinate w for use in defining images on a display |
US4905177A (en) * | 1988-01-19 | 1990-02-27 | Qualcomm, Inc. | High resolution phase to sine amplitude conversion |
JPH03225420A (ja) | 1990-01-30 | 1991-10-04 | Nec Corp | ベッセル関数近似多項式係数の計算方式 |
US5321642A (en) * | 1991-03-20 | 1994-06-14 | Sciteq Electronics, Inc. | Source of quantized samples for synthesizing sine waves |
US5245564A (en) * | 1991-05-10 | 1993-09-14 | Weitek Corporation | Apparatus for multiplying operands |
US5459680A (en) * | 1993-10-20 | 1995-10-17 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Method and apparatus for spur-reduced digital sinusoid synthesis |
US5703801A (en) | 1995-01-31 | 1997-12-30 | Motorola, Inc. | Logarithm/inverse-logarithm converter utilizing second-order term and method of using same |
US6058211A (en) * | 1995-07-07 | 2000-05-02 | Imec Vzw | Data compression method and apparatus |
US5963460A (en) * | 1996-12-17 | 1999-10-05 | Metaflow Technologies, Inc. | Apparatus for computing transcendental functions quickly |
US5774082A (en) * | 1997-03-13 | 1998-06-30 | Raytheon Company | Digital phase to digital sine and cosine amplitude translator |
TW552561B (en) * | 2000-09-12 | 2003-09-11 | Asml Masktools Bv | Method and apparatus for fast aerial image simulation |
US6807554B2 (en) * | 2001-08-10 | 2004-10-19 | Hughes Electronics Corporation | Method, system and computer program product for digitally generating a function |
US7124156B2 (en) * | 2003-01-10 | 2006-10-17 | Nec America, Inc. | Apparatus and method for immediate non-sequential state transition in a PN code generator |
-
2003
- 2003-12-03 US US10/726,828 patent/US7457838B2/en active Active
-
2004
- 2004-11-17 CN CNB2004800362153A patent/CN100562845C/zh not_active Expired - Fee Related
- 2004-11-17 EP EP04811444.1A patent/EP1690181B1/en not_active Not-in-force
- 2004-11-17 CN CN200910179405.5A patent/CN101676862B/zh not_active Expired - Fee Related
- 2004-11-17 WO PCT/US2004/038731 patent/WO2005062164A2/en active Application Filing
-
2007
- 2007-01-24 US US11/657,300 patent/US7555508B2/en not_active Expired - Lifetime
-
2009
- 2009-06-26 US US12/492,961 patent/US8275819B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN101676862B (zh) | 2015-11-25 |
WO2005062164A2 (en) | 2005-07-07 |
EP1690181A2 (en) | 2006-08-16 |
US20090265408A1 (en) | 2009-10-22 |
US8275819B2 (en) | 2012-09-25 |
EP1690181B1 (en) | 2013-07-17 |
US7457838B2 (en) | 2008-11-25 |
US20050125472A1 (en) | 2005-06-09 |
CN101676862A (zh) | 2010-03-24 |
US20070124357A1 (en) | 2007-05-31 |
CN1890628A (zh) | 2007-01-03 |
US7555508B2 (en) | 2009-06-30 |
WO2005062164A3 (en) | 2006-03-09 |
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