Efficient and reliable methods for round
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S.L. Abrams; W. Cho; C.-Y. Hu; T. Maekawa; N.M. Patrikalakis; E.C. Sherbrooke; X
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Article
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1998
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Elsevier Science
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English
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We present an efficient and reliable method for computing the unitin-the-last-place (u/p) of a double-precision floating-point number, taking advantage of the standard binary representation for floatingpoint numbers defined by IEEE Std 754-1985. The ulp is necessary to perform software rounding for