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Class Information
Number: 708/499
Name: Electrical computers: arithmetic processing and calculating > Electrical digital calculating computer > Particular function performed > Arithmetical operation > Floating point > Compensation for finite word length > Sticky bit
Description: Subject matter wherein the modification is based on whether or not a number of least significant digits contains a one.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6516333 |
Sticky bit value predicting circuit |
Feb. 4, 2003 |
| 6490606 |
Rounding denormalized numbers in a pipelined floating point unit without pipeline stalls |
Dec. 3, 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 |
| 6099158 |
Apparatus and methods for execution of computer instructions |
Aug. 8, 2000 |
| 6044391 |
Method of generating the sticky-bit from the input operands |
Mar. 28, 2000 |
| 5995992 |
Conditional truncation indicator control for a decimal numeric processor employing result truncation |
Nov. 30, 1999 |
| 5954789 |
Quotient digit selection logic for floating point division/square root |
Sep. 21, 1999 |
| 5944773 |
Floating-point multiplier circuit for generating the sticky-bit from the input operands |
Aug. 31, 1999 |
| 5941939 |
Logarithm/inverse-logarithm converter and method of using same |
Aug. 24, 1999 |
| 5880984 |
Method and apparatus for performing high-precision multiply-add calculations using independent multiply and add instruments |
Mar. 9, 1999 |
| 5805487 |
Method and system for fast determination of sticky and guard bits |
Sep. 8, 1998 |
| 5798958 |
Zero detect for binary sum |
Aug. 25, 1998 |
| 5787030 |
Correct and efficient sticky bit calculation for exact floating point divide/square root results |
Jul. 28, 1998 |
| 5771183 |
Apparatus and method for computation of sticky bit in a multi-stage shifter used for floating point arithmetic |
Jun. 23, 1998 |
| 5764555 |
Method and system of rounding for division or square root: eliminating remainder calculation |
Jun. 9, 1998 |
| 5757682 |
Parallel calculation of exponent and sticky bit during normalization |
May. 26, 1998 |
| 5754458 |
Trailing bit anticipator |
May. 19, 1998 |
| 5742537 |
Fast determination of floating point sticky bit from input operands |
Apr. 21, 1998 |
| 5742536 |
Parallel calculation of exponent and sticky bit during normalization |
Apr. 21, 1998 |
| 5742535 |
Parallel calculation of exponent and sticky bit during normalization |
Apr. 21, 1998 |
| 5694350 |
Rounding adder for floating point processor |
Dec. 2, 1997 |
| 5687106 |
Implementation of binary floating point using hexadecimal floating point unit |
Nov. 11, 1997 |
| 5627774 |
Parallel calculation of exponent and sticky bit during normalization |
May. 6, 1997 |
| 5627773 |
Floating point unit data path alignment |
May. 6, 1997 |
| 5471410 |
Method and apparatus for sticky and leading one detection |
Nov. 28, 1995 |
| 5432727 |
Apparatus for computing a sticky bit for a floating point arithmetic unit |
Jul. 11, 1995 |
| 5430668 |
Floating point multiplier capable of easily performing a failure detection test |
Jul. 4, 1995 |
| 5341319 |
Method and apparatus for controlling a rounding operation in a floating point multiplier circuit |
Aug. 23, 1994 |
| 5260889 |
Computation of sticky-bit in parallel with partial products in a floating point multiplier unit |
Nov. 9, 1993 |
| 5258943 |
Apparatus and method for rounding operands |
Nov. 2, 1993 |
| 5245563 |
Fast control for round unit |
Sep. 14, 1993 |
| 5235533 |
Store rounding in a floating point unit |
Aug. 10, 1993 |
| H1222 |
Apparatus for determining sticky bit value in arithmetic operations |
Aug. 3, 1993 |
| 5212661 |
Apparatus for performing floating point arithmetic operation and rounding the result thereof |
May. 18, 1993 |
| 4928259 |
Sticky bit predictor for floating-point multiplication |
May. 22, 1990 |
| 4864527 |
Apparatus and method for using a single carry chain for leading one detection and for "sticky" bit calculation |
Sep. 5, 1989 |
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