New compilation error in 4.1.6: too few arguments to function 'float fmaf

[yurivict]

Getting this in the FreeBSD port:

     [exec] ../include/mathlz.h:81:29: error: too few arguments to function 'float fmaf(float, float, float)'
     [exec]      val = fmaf((fmaf(-1.0f/3), n.f, 2), n.f, -2.0f/3);
     [exec]                              ^
     [exec] In file included from /usr/local/lib/gcc48/include/c++/cmath:44:0,
     [exec]                  from /usr/local/lib/gcc48/include/c++/random:38,
     [exec]                  from /usr/local/lib/gcc48/include/c++/bits/stl_algo.h:65,
     [exec]                  from /usr/local/lib/gcc48/include/c++/algorithm:62,
     [exec]                  from highlightRecovery.cpp:11:

Code is taken from ktgw0316/LightZone, not from this project.