Fails to compile with -Wcast-qual (Eigen 3.2.1)

Submitted by Christian Eisenacher

Assigned to Nobody

Link to original bugzilla bug (#533)
Version: 3.1

Description

Eigen/src/Core/Transpose.h:356: error: cast from type ‘const float*’ to type ‘float*’ casts away constness

Problem:
return (bool(blas_traits<OtherDerived>::IsTransposed) != DestIsTransposed) && (dest!=0 && dest==(Scalar*)extract_data(src));

Possible solution:
return (bool(blas_traits<OtherDerived>::IsTransposed) != DestIsTransposed) && (dest!=0 && dest==const_cast<Scalar*>(extract_data(src)));