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    C: \ Development \ Components & Libraries \ Quadruple 128 bit Floating Point Library 1.0


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    Quadruple 128 bit Floating Point Library 1.0 - Detailed Description Page

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    Program ID:

    57416

    Author:

    Jeff Pasternack     All programs by this author

    Downloads:

    279

    License:

    Freeware [?]

    Cost:

    $0.00 US

    Operating Systems:

    winxp winvista winvistax64 win7x32 win7x64 winserver

    Size:

    82K

    Release Status:

    new

    Last Updated:

    2011-06-15

    Our Rating:

    Not rated yet...

    Users Rating:

    not rated yet     (total votes: 0)

    Feedback:

    Report broken download     Report spyware [?]

    Free download Quadruple 128 bit Floating Point Library 1.0

    Download Quadruple 128 bit Floating Point Library 1.0


    Quadruple 128 bit Floating Point Library iconSigned 128-bit floating point data type library, with 64 effective bits of precision (vs. 53 for the built-in Double type) and a 64 bit exponent (vs. 11 for Doubles). With greater precision and far greater range, Quads are especially useful when dealing with very large or very small values, such as those in probabilistic models.

    Adopting a larger fixed precision rather than an arbitrary precision type (such as Java's BigDecimal) means that, while still slower than built-in arithmetic, the penalty is only an order of magnitude or less and thus still feasible in many math-heavy applications. For example, on an Intel Core i5-2410M laptop, a billion multiplications takes 17 seconds with Double values, 135 seconds with Quad values using the overloaded * operator, and just 76 seconds using the Multiply() method (the higher overhead of * is due to the poor inlining logic of the .Net compiler/JIT optimizer). By comparison, the commonly-used workaround for multiplication underflow and overflow, summing logarithms, takes 130 seconds. In addition to being faster and more precise than log arithmetic, Quads also simplify code by eliminating the need to remember which variables are log'd and converting back and forth to log'd values.

    The Quadruple library is written in C# (source code included) and targets .Net 4.0; it should also be easily portable to .Net 2.0 and similar languages (such as Java) with straightforward modifications.

    Quadruple 128 bit Floating Point Library 1.0 development, components & libraries software developed by Jeff Pasternack. The license of this development, components & libraries software is freeware, the price is 0.00, you can free download and get a free trial before you buy a license or registration. All Quadruple 128 bit Floating Point Library 1.0 download links are direct Quadruple 128 bit Floating Point Library full download from Jeff Pasternack site or their selected mirrors.

    Keywords: quadruple, floating, point, 128, range, significand, number, data type, double, float, math, Freeware, Development, Components & Libraries, Jeff Pasternack, Quadruple 128 bit Floating Point Library

    Recent Changes: Initial release

    Install Support: No Install Support

    Supported Languages: English

    Additional Requirements: .Net or Mono



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