





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.
Subclasses under this class:
Patents under this class:
Patent Number 
Title Of Patent 
Date Issued 
8713084 
Method, system and computer program product for verifying floating point divide operation results 
Apr. 29, 2014 
8706790 
Implementing mixedprecision floatingpoint operations in a programmable integrated circuit device 
Apr. 22, 2014 
8694571 
Floating point encoding systems and methods 
Apr. 8, 2014 
8667041 
Detection of potential need to use a larger data format in performing floating point operations 
Mar. 4, 2014 
8626815 
Configuring a programmable integrated circuit device to perform matrix multiplication 
Jan. 7, 2014 
8615541 
Extendedprecision integer arithmetic and logical instructions 
Dec. 24, 2013 
8560591 
Detection of potential need to use a larger data format in performing floating point operations 
Oct. 15, 2013 
8554819 
System to implement floating point adder using mantissa, rounding, and normalization 
Oct. 8, 2013 
8543631 
Total order comparator unit for comparing values of two floating point operands 
Sep. 24, 2013 
8463835 
Circuit for and method of providing a floatingpoint adder 
Jun. 11, 2013 
8443029 
Round for reround mode in a decimal floating point instruction 
May. 14, 2013 
8443030 
Processing of floating point multiplyaccumulate instructions using multiple operand pathways 
May. 14, 2013 
8429217 
Executing fixed point divide operations using a floating point multiplyadd pipeline 
Apr. 23, 2013 
8375078 
Fast floating point result forwarding using nonarchitected data format 
Feb. 12, 2013 
8316071 
Arithmetic processing unit that performs multiply and multiplyadd operations with saturation and method therefor 
Nov. 20, 2012 
8301681 
Specialized processing block for programmable logic device 
Oct. 30, 2012 
8280936 
Packed restricted floating point representation and logic for conversion to single precision float 
Oct. 2, 2012 
8196024 
Demapper using floatingpoint representation of soft bits 
Jun. 5, 2012 
8185569 
Generation of test cases with range constraints for floating point add and subtract instructions 
May. 22, 2012 
8156088 
Document encoding apparatus, document encoding method, and computerreadable storage medium 
Apr. 10, 2012 
8122077 
Generation of test cases with range constraints for floating point add and subtract instructions 
Feb. 21, 2012 
8095767 
Arbitrary precision floating number processing 
Jan. 10, 2012 
8069200 
Apparatus and method for implementing floating point additive and shift operations 
Nov. 29, 2011 
8065669 
Apparatus for automatically converting numeric data to a processor efficient format for performing arithmetic operations 
Nov. 22, 2011 
8024678 
Interfacing with a dynamically configurable arithmetic unit 
Sep. 20, 2011 
8015231 
Data processing apparatus and method for performing floating point multiplication 
Sep. 6, 2011 
8005671 
Systems and methods for dynamic normalization to reduce loss in precision for lowlevel signals 
Aug. 23, 2011 
7974996 
Math coprocessor 
Jul. 5, 2011 
7966609 
Optimal floatingpoint expression translation method based on pattern matching 
Jun. 21, 2011 
7953784 
Detection of potential need to use a larger data format in performing floating point operations 
May. 31, 2011 
7949696 
Floatingpoint number arithmetic circuit for handling immediate values 
May. 24, 2011 
7917567 
Floatingpoint processing unit for successive floatingpoint operations 
Mar. 29, 2011 
7912881 
Data compression method 
Mar. 22, 2011 
7912890 
Method and apparatus for decimal number multiplication using hardware for binary number operations 
Mar. 22, 2011 
7885992 
System and method for implementing irregular data formats 
Feb. 8, 2011 
7877431 
Floating point encoding systems and methods 
Jan. 25, 2011 
7873688 
Processing method and computer system for summation of floating point data 
Jan. 18, 2011 
7865793 
Test case generation with backward propagation of predefined results and operand dependencies 
Jan. 4, 2011 
7860914 
Computer system for storing infinite, infinitesimal, and finite quantities and executing arithmetical operations with them 
Dec. 28, 2010 
7840622 
Method and floating point unit to convert a hexadecimal floating point number to a binary floating point number 
Nov. 23, 2010 
7827451 
Method, system and program product for establishing decimal floating point operands for facilitating testing of decimal floating point instructions 
Nov. 2, 2010 
7814138 
Method and apparatus for decimal number addition using hardware for binary number operations 
Oct. 12, 2010 
7801938 
Numeric value display method 
Sep. 21, 2010 
7716266 
Common shiftamount calculation for binary and hex floating point 
May. 11, 2010 
7685214 
Orderpreserving encoding formats of floatingpoint decimal numbers for efficient value comparison 
Mar. 23, 2010 
7676535 
Enhanced floatingpoint unit for extended functions 
Mar. 9, 2010 
7659911 
Method and apparatus for lossless and minimalloss color conversion 
Feb. 9, 2010 
7647368 
Data processing apparatus and method for performing data processing operations on floating point data elements 
Jan. 12, 2010 
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 








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