Handle better constants (in particular imaginary unit)
Some constants are created over and over in several places, in particular the imaginary unit in multiprecision - see e.g. !2 (comment 6046682) .
One should centralize them, e.g. in IW2D.h
Some constants are created over and over in several places, in particular the imaginary unit in multiprecision - see e.g. !2 (comment 6046682) .
One should centralize them, e.g. in IW2D.h