> From: Brendan McKay <[email protected]> > To: [email protected] > Subject: Suggestion for a minor accuracy improvement to glp_exact() > Date: Mon, 5 Jun 2017 16:59:20 +1000 > > Version 4.61. > > I know there is already movement towards getting exact values > out of glp_exact(). Meanwhile, there is an easy way to improve > the floating-point value for the objective function. At the moment > each term is separately computed in floating-point and then added > in floating-point. But at that point in the code the exact values of > the variables and coefficients are still available and it is easy to > compute the objective function exactly and convert it to floating-point > only at the end. For an objective function with multiple nonzero > terms this can make a significant difference. > > Brendan. >
Thank you for your suggestion. Andrew Makhorin _______________________________________________ Help-glpk mailing list [email protected] https://lists.gnu.org/mailman/listinfo/help-glpk
