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Class Information
Number: 708/510
Name: Electrical computers: arithmetic processing and calculating > Electrical digital calculating computer > Particular function performed > Arithmetical operation > Floating point > Microprocessor
Description: Subject matter wherein the operation is effected by a microprocessor.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6792443 |
Economical on-the-fly rounding for digit-recurrence algorithms |
Sep. 14, 2004 |
| 6405305 |
Rapid execution of floating point load control word instructions |
Jun. 11, 2002 |
| 6289365 |
System and method for floating-point computation |
Sep. 11, 2001 |
| 6233672 |
Piping rounding mode bits with floating point instructions to eliminate serialization |
May. 15, 2001 |
| 6141670 |
Apparatus and method useful for evaluating periodic functions |
Oct. 31, 2000 |
| 6134573 |
Apparatus and method for absolute floating point register addressing |
Oct. 17, 2000 |
| 6131106 |
System and method for floating-point computation for numbers in delimited floating point representation |
Oct. 10, 2000 |
| 6105047 |
Method and apparatus for trading performance for precision when processing denormal numbers in a computer system |
Aug. 15, 2000 |
| 6029243 |
Floating-point processor with operand-format precision greater than execution precision |
Feb. 22, 2000 |
| 6021422 |
Partitioning of binary quad word format multiply instruction on S/390 processor |
Feb. 1, 2000 |
| 5886915 |
Method and apparatus for trading performance for precision when processing denormal numbers in a computer system |
Mar. 23, 1999 |
| 5761105 |
Reservation station including addressable constant store for a floating point processing unit |
Jun. 2, 1998 |
| 5740093 |
128-bit register file and 128-bit floating point load and store for quadruple precision compatibility |
Apr. 14, 1998 |
| 5301137 |
Circuit for fixed point or floating point arithmetic operations |
Apr. 5, 1994 |
| 5121351 |
Floating point arithmetic system |
Jun. 9, 1992 |
| 5068819 |
Floating point apparatus with concurrent input/output operations |
Nov. 26, 1991 |
| RE33629 |
Numeric data processor |
Jul. 2, 1991 |
| 5025407 |
Graphics floating point coprocessor having matrix capabilities |
Jun. 18, 1991 |
| 4961162 |
Multiprocessing system for performing floating point arithmetic operations |
Oct. 2, 1990 |
| 4942547 |
Multiprocessors on a single semiconductor chip |
Jul. 17, 1990 |
| 4916652 |
Dynamic multiple instruction stream multiple data multiple pipeline apparatus for floating-point single instruction stream single data architectures |
Apr. 10, 1990 |
| 4907185 |
Program-controlled computer with an interrupt capability for floating-point operation |
Mar. 6, 1990 |
| 4901235 |
Data processing system having unique multilevel microcode architecture |
Feb. 13, 1990 |
| 4870608 |
Method and apparatus for floating point operation |
Sep. 26, 1989 |
| 4858163 |
Serial arithmetic processor |
Aug. 15, 1989 |
| 4777613 |
Floating point numeric data processor |
Oct. 11, 1988 |
| 4773035 |
Pipelined data processing system utilizing ideal floating point execution condition detection |
Sep. 20, 1988 |
| 4763294 |
Method and apparatus for floating point operations |
Aug. 9, 1988 |
| 4488252 |
Floating point addition architecture |
Dec. 11, 1984 |
| 4476537 |
Fixed point and floating point computation units using commonly shared control fields |
Oct. 9, 1984 |
| 4476523 |
Fixed point and floating point computation units using commonly shared control fields |
Oct. 9, 1984 |
| 4413326 |
Floating point division control |
Nov. 1, 1983 |
| 4338675 |
Numeric data processor |
Jul. 6, 1982 |
| 4308589 |
Apparatus for performing the scientific add instruction |
Dec. 29, 1981 |
| 4295202 |
Hexadecimal digit shifter output control by a programmable read only memory |
Oct. 13, 1981 |
| 4229801 |
Floating point processor having concurrent exponent/mantissa operation |
Oct. 21, 1980 |
| 4224682 |
Pointer for defining the data by controlling merge switches |
Sep. 23, 1980 |
| 4217657 |
Floating point arithmetic control |
Aug. 12, 1980 |
| 4161784 |
Microprogrammable floating point arithmetic unit capable of performing arithmetic operations on long and short operands |
Jul. 17, 1979 |
| 4130879 |
Apparatus for performing floating point arithmetic operations using submultiple storage |
Dec. 19, 1978 |
| 4054787 |
Apparatus for computing an arithmetically accumulated sequence of numbers |
Oct. 18, 1977 |
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