CN105138305B - 高精度的三角函数计算方法以及装置 - Google Patents
高精度的三角函数计算方法以及装置 Download PDFInfo
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- CN105138305B CN105138305B CN201510621326.0A CN201510621326A CN105138305B CN 105138305 B CN105138305 B CN 105138305B CN 201510621326 A CN201510621326 A CN 201510621326A CN 105138305 B CN105138305 B CN 105138305B
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- 238000004364 calculation method Methods 0.000 title claims abstract description 12
- 230000009467 reduction Effects 0.000 claims abstract description 35
- 230000006870 function Effects 0.000 claims description 65
- 238000000034 method Methods 0.000 claims description 15
- 230000015654 memory Effects 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
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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
- G06F7/548—Trigonometric functions; Co-ordinate transformations
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- Mathematical Analysis (AREA)
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- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
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Abstract
Description
Claims (12)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510621326.0A CN105138305B (zh) | 2015-09-25 | 2015-09-25 | 高精度的三角函数计算方法以及装置 |
US14/883,889 US10353672B2 (en) | 2015-09-25 | 2015-10-15 | Methods and apparatuses for computing trigonometric functions with high precision |
EP15190840.7A EP3147773B1 (en) | 2015-09-25 | 2015-10-21 | Methods and apparatuses for computing trigonometric functions with high precision |
TW104135545A TWI625635B (zh) | 2015-09-25 | 2015-10-29 | 三角函數計算方法以及裝置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510621326.0A CN105138305B (zh) | 2015-09-25 | 2015-09-25 | 高精度的三角函数计算方法以及装置 |
Publications (2)
Publication Number | Publication Date |
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CN105138305A CN105138305A (zh) | 2015-12-09 |
CN105138305B true CN105138305B (zh) | 2018-11-27 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201510621326.0A Active CN105138305B (zh) | 2015-09-25 | 2015-09-25 | 高精度的三角函数计算方法以及装置 |
Country Status (4)
Country | Link |
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US (1) | US10353672B2 (zh) |
EP (1) | EP3147773B1 (zh) |
CN (1) | CN105138305B (zh) |
TW (1) | TWI625635B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107783756A (zh) * | 2016-08-31 | 2018-03-09 | 深圳市中兴微电子技术有限公司 | 一种获取角度相关值的方法和装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103150137A (zh) * | 2013-03-01 | 2013-06-12 | 北京理工大学 | 一种覆盖全圆周角度的单精度浮点三角函数的实现方法 |
CN103699518A (zh) * | 2013-12-26 | 2014-04-02 | 北京无线电计量测试研究所 | 一种三角函数的近似计算方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6640237B1 (en) | 1999-07-27 | 2003-10-28 | Raytheon Company | Method and system for generating a trigonometric function |
US7457838B2 (en) * | 2003-12-03 | 2008-11-25 | Marvell World Trade Ltd. | Methods and apparatus for performing calculations using reduced-width data |
US8190669B1 (en) * | 2004-10-20 | 2012-05-29 | Nvidia Corporation | Multipurpose arithmetic functional unit |
CN102262525B (zh) | 2011-08-29 | 2014-11-19 | 孙瑞玮 | 基于矢量运算的矢量浮点运算装置及方法 |
-
2015
- 2015-09-25 CN CN201510621326.0A patent/CN105138305B/zh active Active
- 2015-10-15 US US14/883,889 patent/US10353672B2/en active Active
- 2015-10-21 EP EP15190840.7A patent/EP3147773B1/en active Active
- 2015-10-29 TW TW104135545A patent/TWI625635B/zh active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103150137A (zh) * | 2013-03-01 | 2013-06-12 | 北京理工大学 | 一种覆盖全圆周角度的单精度浮点三角函数的实现方法 |
CN103699518A (zh) * | 2013-12-26 | 2014-04-02 | 北京无线电计量测试研究所 | 一种三角函数的近似计算方法 |
Non-Patent Citations (1)
Title |
---|
SHMUEL GAL等.An accurate elementary mathematical library for the IEEE floating point standard.《ACM Transactions on Mathematical Software》.1991,第7卷(第1期),第26-45页. * |
Also Published As
Publication number | Publication date |
---|---|
CN105138305A (zh) | 2015-12-09 |
EP3147773B1 (en) | 2017-12-06 |
EP3147773A1 (en) | 2017-03-29 |
US10353672B2 (en) | 2019-07-16 |
TW201712570A (zh) | 2017-04-01 |
TWI625635B (zh) | 2018-06-01 |
US20170090871A1 (en) | 2017-03-30 |
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Effective date of registration: 20211202 Address after: Room 201, No. 2557, Jinke Road, pilot Free Trade Zone, Pudong New Area, Shanghai 201203 Patentee after: Gryfield Intelligent Technology Co.,Ltd. Address before: Room 301, 2537 Jinke Road, Zhangjiang hi tech park, Shanghai 201203 Patentee before: VIA ALLIANCE SEMICONDUCTOR Co.,Ltd. |
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Address after: 201203, 11th Floor, Building 3, No. 889 Bibo Road, China (Shanghai) Pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: Granfei Intelligent Technology Co.,Ltd. Country or region after: China Address before: Room 201, No. 2557, Jinke Road, pilot Free Trade Zone, Pudong New Area, Shanghai 201203 Patentee before: Gryfield Intelligent Technology Co.,Ltd. Country or region before: China |