On 13/09/2016 10:40, Florian Lindner wrote:

Hello,

when compiling a file that uses float_distance from #include

I get a linking error:

undefined reference to `boost::math::tools::promote_args::type boost::math::float_distance(double const&, double const&)'

I try to add all boost_math libs I could find, but none helped:

-lboost_system -lboost_filesystem -lboost_math_tr1 -lboost_math_c99 -lboost_math_c99

Since float_distance is not a C99 / TR1 function, shouldn't boost.math work as header only?

What is the problem here?

As per http://www.boost.org/doc/libs/1_61_0/libs/math/doc/html/math_toolkit/next_fl... You need to includeboost/math/special_functions/next.hpp HTH, John.

Thanks, Florian

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