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» Error-Free Transformation in Rounding Mode toward Zero
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DAGSTUHL
2008
14 years 11 months ago
Error-Free Transformation in Rounding Mode toward Zero
In this paper, we provide new error-free transformations for the sum and the product of two floating-point numbers. These error-free transformations are well suited for the CELL pr...
Stef Graillat, Jean Luc Lamotte, Diep Nguyen Hong
DAGSTUHL
2008
14 years 11 months ago
Fast (Parallel) Dense Linear System Solvers in C-XSC Using Error Free Transformations and BLAS
Existing selfverifying solvers for dense linear (interval-)systems in C-XSC provide high accuracy, but are rather slow. A new set of solvers is presented, which are a lot faster th...
Walter Krämer, Michael Zimmer