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Class Information
Number: 708/504
Name: Electrical computers: arithmetic processing and calculating > Electrical digital calculating computer > Particular function performed > Arithmetical operation > Floating point > Division
Description: Subject matter wherein the operation performed is division.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7613762 Floating point remainder with embedded status information Nov. 3, 2009
7539720 Low latency integer divider and integration with floating point divider and method May. 26, 2009
7523152 Methods for supporting extended precision integer divide macroinstructions in a processor Apr. 21, 2009
7467174 Processing unit having decimal floating-point divider using Newton-Raphson iteration Dec. 16, 2008
7451171 Systems, methods and computer program products for hardware assists for microcoded floating point divide and square root Nov. 11, 2008
7363337 Floating point divider with embedded status information Apr. 22, 2008
7321916 Methods and apparatus for extracting integer remainders Jan. 22, 2008
7236999 Methods and systems for computing the quotient of floating-point intervals Jun. 26, 2007
7167887 Circuitry for carrying out square root and division operations Jan. 23, 2007
7127483 Method and system of a microprocessor subtraction-division floating point divider Oct. 24, 2006
7113593 Recursive cryptoaccelerator and recursive VHDL design of logic circuits Sep. 26, 2006
7071935 Graphics system with just-in-time decompression of compressed graphics data Jul. 4, 2006
7039666 Circuitry for carrying out at least one of a square root and a division operation May. 2, 2006
7027598 Residue number system based pre-computation and dual-pass arithmetic modular operation approach to implement encryption protocols efficiently in electronic integrated circuits Apr. 11, 2006
7027597 Pre-computation and dual-pass modular arithmetic operation approach to implement encryption protocols efficiently in electronic integrated circuits Apr. 11, 2006
7013320 Apparatus and method for remainder calculation using short approximate floating-point quotient Mar. 14, 2006
6970525 High-speed, high granularity baud clock generation Nov. 29, 2005
6941334 Higher precision divide and square root approximations Sep. 6, 2005
6901503 Data processing circuits and interfaces May. 31, 2005
6847985 Floating point divide and square root processor Jan. 25, 2005
6792443 Economical on-the-fly rounding for digit-recurrence algorithms Sep. 14, 2004
6782405 Method and apparatus for performing division and square root functions using a multiplier and a multipartite table Aug. 24, 2004
6658444 Method and apparatus for performing a mask-driven interval division operation Dec. 2, 2003
6594681 Quotient digit selection logic for floating point division/square root Jul. 15, 2003
6487575 Early completion of iterative division Nov. 26, 2002
6351760 Division unit in a processor using a piece-wise quadratic approximation technique Feb. 26, 2002
6128639 Array address and loop alignment calculations Oct. 3, 2000
6122651 Method and apparatus for performing overshifted rotate through carry instructions by shifting in opposite directions Sep. 19, 2000
5999961 Parallel prefix operations in asynchronous processors Dec. 7, 1999
5954789 Quotient digit selection logic for floating point division/square root Sep. 21, 1999
5862066 Methods and apparatus for fast check of floating point zero or negative zero Jan. 19, 1999
5787030 Correct and efficient sticky bit calculation for exact floating point divide/square root results Jul. 28, 1998
5768170 Method and apparatus for performing microprocessor integer division operations using floating point hardware Jun. 16, 1998
5661674 Divide to integer Aug. 26, 1997
5619439 Shared hardware for multiply, divide, and square root exponent calculation Apr. 8, 1997
5563818 Method and system for performing floating-point division using selected approximation values Oct. 8, 1996
5539684 Method and apparatus for calculating floating point exponent values Jul. 23, 1996
5515308 Floating point arithmetic unit using modified Newton-Raphson technique for division and square root May. 7, 1996
5481745 High speed divider for performing hexadecimal division having control circuit for generating different division cycle signals to control circuit in performing specific functions Jan. 2, 1996
5408426 Arithmetic unit capable of performing concurrent operations for high speed operation Apr. 18, 1995
5404324 Methods and apparatus for performing division and square root computations in a computer Apr. 4, 1995
5357455 Floating point remainder generator for a math processor Oct. 18, 1994
5341321 Floating point arithmetic unit using modified Newton-Raphson technique for division and square root Aug. 23, 1994
5309383 Floating-point division circuit May. 3, 1994
5305247 Method and processor for high-speed convergence factor determination Apr. 19, 1994
5301139 Shifter circuit for multiple precision division Apr. 5, 1994
5276634 Floating point data processing apparatus which simultaneously effects summation and rounding computations Jan. 4, 1994
5272660 Method and apparatus for performing integer and floating point division using a single SRT divider in a data processor Dec. 21, 1993
5258944 High performance mantissa divider Nov. 2, 1993
5249149 Method and apparatus for performining floating point division Sep. 28, 1993

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