https://svn.boost.org/trac10/ticket/6001 <p> at line 34 of toms748_solve.hpp: </p> <p> <code>return (fabs(a - b) / (std::min)(fabs(a), fabs(b))) &lt;= eps;</code> </p> <p> this leads to wrong behavior when a=b=0. </p> <p> fix is trivial: </p> <p> <code>return fabs(a - b) &lt;= eps * (std::min)(fabs(a), fabs(b));</code> </p> <p> does almost the same, but it is correct when a=b=0 </p> en-us /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/6001 Trac 1.4.3 John Maddock Mon, 10 Oct 2011 11:52:08 GMT https://svn.boost.org/trac10/ticket/6001#comment:1 https://svn.boost.org/trac10/ticket/6001#comment:1 <ul> <li><strong>status</strong> <span class="trac-field-old">new</span> → <span class="trac-field-new">closed</span> </li> <li><strong>resolution</strong> → <span class="trac-field-new">fixed</span> </li> </ul> <p> (In <a class="changeset" href="https://svn.boost.org/trac10/changeset/74890" title="Remove unused constants. Fix expression for tolerance in ...">[74890]</a>) Remove unused constants. Fix expression for tolerance in eps_tolerance. Add include guards to prime.hpp. Fixes <a class="closed ticket" href="https://svn.boost.org/trac10/ticket/5982" title="#5982: Bugs: Wrong value of `one_div_two_pi' in &lt;boost/math/constants/constants.hpp&gt; (closed: fixed)">#5982</a>. Fixes <a class="closed ticket" href="https://svn.boost.org/trac10/ticket/5927" title="#5927: Bugs: Missing #include guards (closed: fixed)">#5927</a>. Fixes <a class="closed ticket" href="https://svn.boost.org/trac10/ticket/6001" title="#6001: Bugs: math::tools::roots eps_tolerance wrong behaviour at 0. 0. (closed: fixed)">#6001</a>. </p> Ticket John Maddock Sun, 16 Oct 2011 18:58:00 GMT