trying to fix equation.cpp from breaking the build on corinne's machine, use pragma
trying to fix equation.cpp from breaking the build on corinne's machine, use pragma

Nekel-Seyew/Complex-3D-Vector-Fields,Nekel-Seyew/Complex-3D-Vector-Fields,Nekel-Seyew/Complex-3D-Vector-Fields,Nekel-Seyew/Complex-3D-Vector-Fields,Nekel-Seyew/Complex-3D-Vector-Fields,Nekel-Seyew/Complex-3D-Vector-Fields