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Class Information
Number: 708/495
Name: Electrical computers: arithmetic processing and calculating > Electrical digital calculating computer > Particular function performed > Arithmetical operation > Floating point
Description: Subject matter wherein the numerical digits are expressed in terms of a bounded number (mantissa) and a scale factor (characteristic or exponent) consisting of a power of the number base.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7571435 |
Method and structure for producing high performance linear algebra routines using preloading of floating point registers |
Aug. 4, 2009 |
| 7475103 |
Efficient check node message transform approximation for LDPC decoder |
Jan. 6, 2009 |
| 7461116 |
Emulation of a fixed point operation using a corresponding floating point operation |
Dec. 2, 2008 |
| 7448026 |
Method and apparatus for accuracy-aware analysis |
Nov. 4, 2008 |
| 7430656 |
System and method of converting data formats and communicating between execution units |
Sep. 30, 2008 |
| 7406589 |
Processor having efficient function estimate instructions |
Jul. 29, 2008 |
| 7397399 |
Method and device for transcoding N-bit words into M-bit words with M smaller N |
Jul. 8, 2008 |
| 7395296 |
Circuitry and method for performing non-arithmetic operations |
Jul. 1, 2008 |
| 7389499 |
Method and apparatus for automatically converting numeric data to a processor efficient format for performing arithmetic operations |
Jun. 17, 2008 |
| 7373489 |
Apparatus and method for floating-point exception prediction and recovery |
May. 13, 2008 |
| 7330864 |
System and method for using native floating point microprocessor instructions to manipulate 16-bit floating point data representations |
Feb. 12, 2008 |
| 7321914 |
Fast method for calculating powers of two as a floating point data type |
Jan. 22, 2008 |
| 7299170 |
Method and apparatus for the emulation of high precision floating point instructions |
Nov. 20, 2007 |
| 7236999 |
Methods and systems for computing the quotient of floating-point intervals |
Jun. 26, 2007 |
| 7228324 |
Circuit for selectively providing maximum or minimum of a pair of floating point operands |
Jun. 5, 2007 |
| 7219117 |
Methods and systems for computing floating-point intervals |
May. 15, 2007 |
| 7212959 |
Method and apparatus for accumulating floating point values |
May. 1, 2007 |
| 7191202 |
Comparator unit for comparing values of floating point operands |
Mar. 13, 2007 |
| 7133890 |
Total order comparator unit for comparing values of two floating point operands |
Nov. 7, 2006 |
| 7113969 |
Formatting denormal numbers for processing in a pipelined floating point unit |
Sep. 26, 2006 |
| 7099851 |
Applying term consistency to an equality constrained interval global optimization problem |
Aug. 29, 2006 |
| 7069289 |
Floating point unit for detecting and representing inexact computations without flags or traps |
Jun. 27, 2006 |
| 7069288 |
Floating point system with improved support of interval arithmetic |
Jun. 27, 2006 |
| 7058830 |
Power saving in a floating point unit using a multiplier and aligner bypass |
Jun. 6, 2006 |
| 7054898 |
Elimination of end-around-carry critical path in floating point add/subtract execution unit |
May. 30, 2006 |
| 7051060 |
Operand conversion optimization |
May. 23, 2006 |
| 7016928 |
Floating point status information testing circuit |
Mar. 21, 2006 |
| 6996596 |
Floating-point processor with operating mode having improved accuracy and high performance |
Feb. 7, 2006 |
| 6993549 |
System and method for performing gloating point operations involving extended exponents |
Jan. 31, 2006 |
| 6990505 |
Method/apparatus for conversion of higher order bits of 64-bit integer to floating point using 53-bit adder hardware |
Jan. 24, 2006 |
| 6976050 |
System and method for extracting the high part of a floating point operand |
Dec. 13, 2005 |
| 6970897 |
Self-timed transmission system and method for processing multiple data sets |
Nov. 29, 2005 |
| 6963895 |
Floating point pipeline method and circuit for fast inverse square root calculations |
Nov. 8, 2005 |
| 6922771 |
Vector floating point unit |
Jul. 26, 2005 |
| 6912557 |
Math coprocessor |
Jun. 28, 2005 |
| 6904543 |
Electronic control having floating-point data check function |
Jun. 7, 2005 |
| 6904446 |
Floating point multiplier/accumulator with reduced latency and method thereof |
Jun. 7, 2005 |
| 6898615 |
Signal processing unit and signal processing method including using an exponent part and a mantissa part for power generation |
May. 24, 2005 |
| 6847378 |
System and method for performing scale and bias operations by preclamping input image data |
Jan. 25, 2005 |
| 6842765 |
Processor design for extended-precision arithmetic |
Jan. 11, 2005 |
| 6842764 |
Minimum and maximum operations to facilitate interval multiplication and/or interval division |
Jan. 11, 2005 |
| 6801924 |
Formatting denormal numbers for processing in a pipelined floating point unit |
Oct. 5, 2004 |
| 6789098 |
Method, data processing system and computer program for comparing floating point numbers |
Sep. 7, 2004 |
| 6754688 |
Method and apparatus to calculate the difference of two numbers |
Jun. 22, 2004 |
| 6732134 |
Handler for floating-point denormalized numbers |
May. 4, 2004 |
| 6687810 |
Method and apparatus for staggering execution of a single packed data instruction using the same circuit |
Feb. 3, 2004 |
| 6683530 |
Method and apparatus for performing a floating point compare operation |
Jan. 27, 2004 |
| 6671796 |
Converting an arbitrary fixed point value to a floating point value |
Dec. 30, 2003 |
| 6658443 |
Method and apparatus for representing arithmetic intervals within a computer system |
Dec. 2, 2003 |
| 6647401 |
High speed emulation of arithmetic operations |
Nov. 11, 2003 |
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