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Precision Estimation and Control in Scientific and Engineering Computing Disclosure Number: IPCOM000036540D
Original Publication Date: 1989-Oct-01
Included in the Prior Art Database: 2005-Jan-29

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Chatelin, F Diot, C Saucier, G [+details]


This article describes a device for evaluating precision in scientific computations [*] through a random perturbation of floating point numbers exchanged between the central processing unit (CPU) of a personal computer and an arithmetic coprocessor. This perturbation is totally transparent to the micro-computer.