Invention Grant
- Patent Title: Fast correctly rounding floating point conversion and identifying exceptional conversion
- Patent Title (中): 快速正确地舍入浮点转换并识别异常转换
-
Application No.: US11506717Application Date: 2006-08-18
-
Publication No.: US07865882B2Publication Date: 2011-01-04
- Inventor: Michel Henri Theodore Hack
- Applicant: Michel Henri Theodore Hack
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agency: Tutunjian & Bitetto, P.C
- Agent William J. Stock
- Main IPC: G06F9/44
- IPC: G06F9/44 ; G06F9/45
Abstract:
A system and method for converting bases of floating point numbers with improved rounding over an entire exponent range includes identifying exceptional conversions for a given source precision to target precision. A representation of the exceptions is stored in a bit vector for use during conversion execution.
Public/Granted literature
- US20080065709A1 Fast correctly-rounding floating-point conversion Public/Granted day:2008-03-13
Information query
