Improve the assert_approx_eq macro
Improve the assert_approx_eq macro

It can now be fed with all numeric types

antoinewdg/lumol,g-bauer/lumol,g-bauer/lumol,g-bauer/lumol,Luthaf/cymbalum,antoinewdg/lumol,Luthaf/cymbalum,antoinewdg/lumol