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Analysis of the GCR method with mixed precision arithmetic using QuPAT
2012
Journal of Computational Science
To verify computation results of double precision arithmetic, a high precision arithmetic environment is needed. However, it is difficult to use high precision arithmetic in ordinary computing environments without any special hardware or libraries. Hence, we designed the quadruple precision arithmetic environment QuPAT on Scilab to satisfy the following requirements: (i) to enable programs to be written simply using quadruple precision arithmetic; (ii) to enable the use of both double and
doi:10.1016/j.jocs.2011.05.001
fatcat:s6ff5kwfbzeazhjr6fodv4fdce