Use the Fused Multiply Add 3 instruction set ([fma] in cpuinfo)
Name Category Description
arprec sci-libs Arbitrary precision float arithmetics and functions
eigen dev-cpp C++ template library for linear algebra
fflas-ffpack sci-libs Library for dense linear algebra over word-size finite fields
ffmpeg media-video Complete solution to record/convert/stream audio and video. Includes libavcodec
fftw sci-libs Fast C library for the Discrete Fourier Transform
givaro sci-libs C++ library for arithmetic and algebraic computations
linbox sci-libs C++ template library for integer and finite-field linear algebra
lis sci-libs Library of Iterative Solvers for Linear Systems
opencv media-libs A collection of algorithms and sample code for various computer vision problems
qd sci-libs Quad-double and double-double float arithmetics
tensorflow sci-libs Computation framework using data flow graphs for scalable machine learning

Thank you!