The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 29, 2015
Filed:
Sep. 07, 2012
Helia Naeimi, Santa Clara, CA (US);
Ralph Nathan, Santa Clara, CA (US);
Shih-lien L. LU, Portland, OR (US);
John L. Gustafson, Santa Clara, CA (US);
Helia Naeimi, Santa Clara, CA (US);
Ralph Nathan, Santa Clara, CA (US);
Shih-Lien L. Lu, Portland, OR (US);
John L. Gustafson, Santa Clara, CA (US);
Intel Corporation, Santa Clara, CA (US);
Abstract
A method, device and system for representing numbers in a computer including storing a floating-point number M in a computer memory; representing the floating-point number M as an interval with lower and upper bounds A and B when it is accessed by using at least two floating-point numbers in the memory; and then representing M as an interval with lower and upper bounds A and B when it is used in a calculation by using at least three floating-point numbers in the memory. Calculations are performed using the interval and when the data is written back to the memory it may be stored as an interval if the size of the interval is significant, i.e. larger than a first threshold value. A warning regarding the suspect accuracy of any data stored as an interval may be issued if the interval is too large, i.e. larger than a second threshold value.