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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 |
| 6631391 |
Parallel computer system and parallel computing method |
Oct. 7, 2003 |
| 6615341 |
Multiple-data bus architecture for a digital signal processor using variable-length instruction set with single instruction simultaneous control |
Sep. 2, 2003 |
| 6606097 |
Circuit for generating frame buffer values |
Aug. 12, 2003 |
| 6601079 |
Converting between different floating point exponent representations |
Jul. 29, 2003 |
| 6591361 |
Method and apparatus for converting data into different ordinal types |
Jul. 8, 2003 |
| 6571264 |
Floating-point arithmetic device |
May. 27, 2003 |
| 6529928 |
Floating-point adder performing floating-point and integer operations |
Mar. 4, 2003 |
| 6519694 |
System for handling load errors having symbolic entity generator to generate symbolic entity and ALU to propagate the symbolic entity |
Feb. 11, 2003 |
| 6516332 |
Floating point number data processing means |
Feb. 4, 2003 |
| 6502117 |
Data manipulation instruction for enhancing value and efficiency of complex arithmetic |
Dec. 31, 2002 |
| 6484251 |
Updating condition status register based on instruction specific modification information in set/clear pair upon instruction commit in out-of-order processor |
Nov. 19, 2002 |
| 6425074 |
Method and apparatus for rapid execution of FCOM and FSTSW |
Jul. 23, 2002 |
| 6412065 |
Status register associated with MMX register file for tracking writes |
Jun. 25, 2002 |
| 6397239 |
Floating point addition pipeline including extreme value, comparison and accumulate functions |
May. 28, 2002 |
| 6393452 |
Method and apparatus for performing load bypasses in a floating-point unit |
May. 21, 2002 |
| 6388586 |
Method for reversing the bits of a computer data structure |
May. 14, 2002 |
| 6327604 |
System and method for floating-point computation |
Dec. 4, 2001 |
| 6317824 |
Method and apparatus for performing integer operations in response to a result of a floating point operation |
Nov. 13, 2001 |
| 6301594 |
Method and apparatus for high-speed exponent adjustment and exception generation for normalization of floating-point numbers |
Oct. 9, 2001 |
| 6298367 |
Floating point addition pipeline including extreme value, comparison and accumulate functions |
Oct. 2, 2001 |
| 6298365 |
Method and system for bounds comparator |
Oct. 2, 2001 |
| 6289365 |
System and method for floating-point computation |
Sep. 11, 2001 |
| 6282554 |
Method and apparatus for floating point operations and format conversion operations |
Aug. 28, 2001 |
| 6253222 |
Compression of limited range floating point numbers |
Jun. 26, 2001 |
| 6240431 |
Decompression of limited range floating point numbers |
May. 29, 2001 |
| 6212539 |
Methods and apparatus for handling and storing bi-endian words in a floating-point processor |
Apr. 3, 2001 |
| 6212627 |
System for converting packed integer data into packed floating point data in reduced time |
Apr. 3, 2001 |
| 6205460 |
System and method for floating-computation for numbers in delimited floating point representation |
Mar. 20, 2001 |
| 6195672 |
Saturation detection in floating point to integer conversions |
Feb. 27, 2001 |
| 6189094 |
Recirculating register file |
Feb. 13, 2001 |
| 6182100 |
Method and system for performing a logarithmic estimation within a data processing system |
Jan. 30, 2001 |
| 6178435 |
Method and system for performing a power of two estimation within a data processing system |
Jan. 23, 2001 |
| 6170001 |
System for transfering format data from format register to memory wherein format data indicating the distribution of single or double precision data type in the register bank |
Jan. 2, 2001 |
| 6151669 |
Methods and apparatus for efficient control of floating-point status register |
Nov. 21, 2000 |
| 6148316 |
Floating point unit equipped also to perform integer addition as well as floating point to integer conversion |
Nov. 14, 2000 |
| 6144977 |
Circuit and method of converting a floating point number to a programmable fixed point number |
Nov. 7, 2000 |
| 6141670 |
Apparatus and method useful for evaluating periodic functions |
Oct. 31, 2000 |
| 6122651 |
Method and apparatus for performing overshifted rotate through carry instructions by shifting in opposite directions |
Sep. 19, 2000 |
| 6105047 |
Method and apparatus for trading performance for precision when processing denormal numbers in a computer system |
Aug. 15, 2000 |
| 6073155 |
Floating-point accumulator |
Jun. 6, 2000 |
| 6028893 |
Method and signal evaluation apparatus for data reduction in the processing of signal values with a digital processing unit in a transmission system |
Feb. 22, 2000 |
| 6029243 |
Floating-point processor with operand-format precision greater than execution precision |
Feb. 22, 2000 |
| 6009511 |
Apparatus and method for tagging floating point operands and results for rapid detection of special floating point numbers |
Dec. 28, 1999 |
| 5996056 |
Apparatus for reducing a computational result to the range boundaries of a signed 8-bit integer in case of overflow |
Nov. 30, 1999 |
| 5995991 |
Floating point architecture with tagged operands |
Nov. 30, 1999 |
| 5995122 |
Method and apparatus for parallel conversion of color values from a single precision floating point format to an integer format |
Nov. 30, 1999 |
| 5978901 |
Floating point and multimedia unit with data type reclassification capability |
Nov. 2, 1999 |
| 5963460 |
Apparatus for computing transcendental functions quickly |
Oct. 5, 1999 |
| 5954789 |
Quotient digit selection logic for floating point division/square root |
Sep. 21, 1999 |
| 5940311 |
Immediate floating-point operand reformatting in a microprocessor |
Aug. 17, 1999 |
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