Re: [eigen] fix double-promotion in 3.3 Core/SpecialFunctions.h

[Ilja Honkonen <ilja.j.honkonen@xxxxxxxx>]

> std::pow(float, int) actually gets promoted to std::pow(double, double).

Note that this is correct as of c++11: 
http://en.cppreference.com/w/cpp/numeric/math/pow

> This is especially bad for std::pow(x, 2). Inside Eigen we can use

Does pow(x, 2.0) fix it? If not, pow(x, float(2)) at least should...
Ilja