comparison DEPENDENCIES/generic/include/boost/math/tools/roots.hpp @ 101:c530137014c0

Update Boost headers (1.58.0)

    // Error checking:
    //
    static const char* function = "boost::math::tools::bisect<%1%>";
    if(min >= max)
    {
-      policies::raise_evaluation_error(function, 
-         "Arguments in wrong order in boost::math::tools::bisect (first arg=%1%)", min, pol);
+      return boost::math::detail::pair_from_single(policies::raise_evaluation_error(function,
+         "Arguments in wrong order in boost::math::tools::bisect (first arg=%1%)", min, pol));
    }
    if(fmin * fmax >= 0)
    {
-      policies::raise_evaluation_error(function, 
-         "No change of sign in boost::math::tools::bisect, either there is no root to find, or there are multiple roots in the interval (f(min) = %1%).", fmin, pol);
+      return boost::math::detail::pair_from_single(policies::raise_evaluation_error(function,
+         "No change of sign in boost::math::tools::bisect, either there is no root to find, or there are multiple roots in the interval (f(min) = %1%).", fmin, pol));
    }
 
    //
    // Three function invocations so far:
    //

       BOOST_MATH_INSTRUMENT_VARIABLE(f1);
       BOOST_MATH_INSTRUMENT_VARIABLE(f2);
       
       if(0 == f0)
          break;
-      if((f1 == 0) && (f2 == 0))
+      if(f1 == 0)
       {
          // Oops zero derivative!!!
 #ifdef BOOST_MATH_INSTRUMENT
          std::cout << "Halley iteration, zero derivative found" << std::endl;
 #endif