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Class Information
Number: 708/496
Name: Electrical computers: arithmetic processing and calculating > Electrical digital calculating computer > Particular function performed > Arithmetical operation > Floating point > Compensation for finite word length
Description: Subject matter wherein the operation results in a word modification in length due to insufficient representation of using the fixed word length of the arithmetic system.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| RE40883 |
Methods and apparatus for dynamic instruction controlled reconfigurable register file with extended precision |
Aug. 25, 2009 |
| 7447725 |
Apparatus for controlling rounding modes in single instruction multiple data (SIMD) floating-point units |
Nov. 4, 2008 |
| 7222146 |
Method and apparatus for facilitating exception-free arithmetic in a computer system |
May. 22, 2007 |
| 7099851 |
Applying term consistency to an equality constrained interval global optimization problem |
Aug. 29, 2006 |
| 7058830 |
Power saving in a floating point unit using a multiplier and aligner bypass |
Jun. 6, 2006 |
| 6981012 |
Method and circuit for normalization of floating point significants in a SIMD array MPP |
Dec. 27, 2005 |
| 6728739 |
Data calculating device and method for processing data in data block form |
Apr. 27, 2004 |
| 6578059 |
Methods and apparatus for controlling exponent range in floating-point calculations |
Jun. 10, 2003 |
| 6557021 |
Rounding anticipator for floating point operations |
Apr. 29, 2003 |
| 6430677 |
Methods and apparatus for dynamic instruction controlled reconfigurable register file with extended precision |
Aug. 6, 2002 |
| 6219684 |
Optimized rounding in underflow handlers |
Apr. 17, 2001 |
| 6138135 |
Propagating NaNs during high precision calculations using lesser precision hardware |
Oct. 24, 2000 |
| 6049865 |
Method and apparatus for implementing floating point projection instructions |
Apr. 11, 2000 |
| 5966085 |
Methods and apparatus for performing fast floating point operations |
Oct. 12, 1999 |
| 5943249 |
Method and apparatus to perform pipelined denormalization of floating-point results |
Aug. 24, 1999 |
| 5894428 |
Recursive digital filter |
Apr. 13, 1999 |
| 5892697 |
Method and apparatus for handling overflow and underflow in processing floating-point numbers |
Apr. 6, 1999 |
| 5809292 |
Floating point for simid array machine |
Sep. 15, 1998 |
| 5805487 |
Method and system for fast determination of sticky and guard bits |
Sep. 8, 1998 |
| 5781464 |
Apparatus and method for incrementing floating-point numbers represented in diffrent precision modes |
Jul. 14, 1998 |
| 5619711 |
Method and data processing system for arbitrary precision on numbers |
Apr. 8, 1997 |
| 5408427 |
Detection of exponent underflow and overflow in a floating point adder |
Apr. 18, 1995 |
| 5309383 |
Floating-point division circuit |
May. 3, 1994 |
| 5212662 |
Floating point arithmetic two cycle data flow |
May. 18, 1993 |
| 5197023 |
Hardware arrangement for floating-point addition and subtraction |
Mar. 23, 1993 |
| RE33629 |
Numeric data processor |
Jul. 2, 1991 |
| 5027308 |
Circuit for adding/subtracting two floating point operands |
Jun. 25, 1991 |
| 4999802 |
Floating point arithmetic two cycle data flow |
Mar. 12, 1991 |
| 4994996 |
Pipelined floating point adder for digital computer |
Feb. 19, 1991 |
| 4943940 |
Floating point add/subtract and multiplying assemblies sharing common normalization, rounding and exponential apparatus |
Jul. 24, 1990 |
| 4800516 |
High speed floating-point unit |
Jan. 24, 1989 |
| 4788655 |
Condition code producing system |
Nov. 29, 1988 |
| 4773035 |
Pipelined data processing system utilizing ideal floating point execution condition detection |
Sep. 20, 1988 |
| 4649508 |
Floating-point arithmetic operation system |
Mar. 10, 1987 |
| 4366548 |
Adder for exponent arithmetic |
Dec. 28, 1982 |
| 4338675 |
Numeric data processor |
Jul. 6, 1982 |
| 4282582 |
Floating point processor architecture which performs subtraction with reduced number of guard bits |
Aug. 4, 1981 |
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