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单精度浮点型(float),在C++中,单精度浮点型(float)专指占用32位存储空间的单精度(single-precision)值。单精度在一些处理器上比双精度更快而且只占用双精度一半的空间,但是当值很大或很小的时候,它将变得不精确。当你需要小数部分并且对精度的要求不高时,单精度浮点型的变量是有用的。例如,当表示美元和分时,单精度浮点型是有用的。在foxpro中,单精度浮点型是为了提供兼容性,浮点数据类型在功能上等价于数值型。
  • This toolbox contains re-implementations of four different multi-instance learners, i.e. Diverse Den

    This toolbox contains re-implementations of four different multi-instance learners, i.e. Diverse Density, Citation-kNN, Iterated-discrim APR, and EM-DD. Ensembles of these single multi-instance learners can be built with this toolbox

    标签: i.e. re-implementations multi-instance different

    上传时间: 2013-12-19

    上传用户:haohaoxuexi

  • C 开发的有限元软件

    C 开发的有限元软件,界面还可以,不错,可以试试。 FElt is a free system for introductory level finite element analysis. It is primarily intended as a teaching tool for introductory type courses in finite elements - probably in the mechanical/structural/civil fields. In a command line environment, FElt uses an intuitive, straightforward input syntax to describe problems. It also includes a graphical user interface for workstations that allows the user to set-up, solve and post-process the problem in a single CAD-like environment.

    标签: 有限元 软件

    上传时间: 2014-03-09

    上传用户:zycidjl

  • Range imaging offers an inexpensive and accurate means for digitizing the shape of three-dimensiona

    Range imaging offers an inexpensive and accurate means for digitizing the shape of three-dimensional objects. Because most objects self occlude, no single range image suffices to describe the entire object. We present a method for combining a collection of range images into a single polygonal mesh that completely describes an object to the extent that it is visible from the outside.

    标签: three-dimensiona inexpensive digitizing accurate

    上传时间: 2016-11-29

    上传用户:yxgi5

  • MICROSOFT FOUNDATION CLASS LIBRARY : 学生管理系统 =======================================================

    MICROSOFT FOUNDATION CLASS LIBRARY : 学生管理系统 ======================================================================== AppWizard has created this 学生管理系统 application for you. This application not only demonstrates the basics of using the Microsoft Foundation classes but is also a starting point for writing your application. This file contains a summary of what you will find in each of the files that make up your 学生管理系统 application. 学生管理系统.dsp This file (the project file) contains information at the project level and is used to build a single project or subproject. Other users can share the project (.dsp) file, but they should export the makefiles locally.

    标签: FOUNDATION MICROSOFT LIBRARY CLASS

    上传时间: 2013-12-16

    上传用户:天涯

  • A passive optical network (PON) is a point-to-multipoint, fiber to the premises network architecture

    A passive optical network (PON) is a point-to-multipoint, fiber to the premises network architecture in which unpowered optical splitters are used to enable a single optical fiber to serve multiple premises, typically 32-128. A PON consists of an Optical Line Termination (OLT) at the service provider s central office and a number of Optical Network Units (ONUs) near end users. A PON configuration reduces the amount of fiber and central office equipment required compared with point to point architectures

    标签: network point-to-multipoint architecture premises

    上传时间: 2016-12-10

    上传用户:王庆才

  • The TMS320LF240xA and TMS320LC240xA devices, new members of the TMS320C24x generation of dig

    The TMS320LF240xA and TMS320LC240xA devices, new members of the TMS320C24x generation of digital signal processor (DSP) controllers, are part of the TMS320C2000 platform of fixed-point DSPs. The 240xA devices offer the enhanced TMS320 DSP architectural design of the C2xx core CPU for low-cost, low-power, and high-performance processing capabilities. Several advanced peripherals, optimized for digital motor and motion control applications, have been integrated to provide a true single-chip DSP controller. While code-compatible with the existing C24x DSP controller devices, the 240xA offers increased processing performance (40 MIPS) and a higher level of peripheral integration. See the TMS320x240xA Device Summary section for device-specific features.

    标签: TMS 320 generation 240

    上传时间: 2013-12-16

    上传用户:GavinNeko

  • The XC226x derivatives are high-performance members of the Infineon XC2000 Family of full-feature s

    The XC226x derivatives are high-performance members of the Infineon XC2000 Family of full-feature single-chip CMOS microcontrollers. These devices extend the functionality and performance of the C166 Family in terms of instructions (MAC unit), peripherals, and speed. They combine high CPU performance (up to 80 million instructions per second) with extended peripheral functionality and enhanced IO capabilities. Optimized peripherals can be adapted flexibly to meet the application requirements. These derivatives utilize clock generation via PLL and internal or external clock sources. Onchip memory modules include program Flash, program RAM, and data RAM.

    标签: high-performance full-feature derivatives Infineon

    上传时间: 2016-12-12

    上传用户:wab1981

  • *** *** *** *** *** *** ***** ** Two wire/I2C Bus READ/WRITE Sample Routines of Microchip s ** 2

    *** *** *** *** *** *** ***** ** Two wire/I2C Bus READ/WRITE Sample Routines of Microchip s ** 24Cxx / 85Cxx serial CMOS EEPROM interfacing to a ** PIC16C54 8-bit CMOS single chip microcomputer ** Revsied Version 2.0 (4/2/92). ** ** Part use = PIC16C54-XT/JW ** Note: 1) All timings are based on a reference crystal frequency of 2MHz ** which is equivalent to an instruction cycle time of 2 usec. ** 2) Address and literal values are read in octal unless otherwise ** specified.

    标签: Microchip Routines Sample WRITE

    上传时间: 2013-12-27

    上传用户:ljmwh2000

  • This file (the project file) contains information at the project level and is used to build a sing

    This file (the project file) contains information at the project level and is used to build a single project or subproject. Other users can share the project (.dsp) file, but they

    标签: project file information the

    上传时间: 2013-12-18

    上传用户:cainaifa

  • 开源备份软件源码 AMANDA, the Advanced Maryland Automatic Network Disk Archiver, is a backup system that a

    开源备份软件源码 AMANDA, the Advanced Maryland Automatic Network Disk Archiver, is a backup system that allows the administrator to set up a single master backup server to back up multiple hosts over network to tape drives/changers or disks or optical media. Amanda uses native dump and/or GNU tar facilities and can back up a large number of workstations running multiple versions of Unix. Amanda uses Samba, Cygwin or a native Windows client to back up Microsoft Windows desktops and servers

    标签: Automatic Advanced Maryland Archiver

    上传时间: 2017-01-13

    上传用户:xc216