David Feuer writes >On 4/13/06, Jan Nieuwenhuizen <[EMAIL PROTECTED]> wrote: >> David Feuer writes: > >> In C++ we have Offset, which has a number of complex_* functions. We
>> also have complex-to-offset and use offset pairs in SCM, but I do not >> know if we have any such functions in SCM. > > I don't either. > >> Does scm/guile not have such funtions for pairs/complex vectors? > > It probably does support complex numbers. Complex numbers, however, are conceptually quite > different from 2D vectors, and I don't feel comfortable conflating them. It's up to you > and Han, of course. > Actually, complex numbers are nothing more than 2-D vectors, but in the real-imaginary plane rather than the x-y plane. In fact, when we use complex numbers, we draw them in a plane indistinguishable from x-y (real is x, imaginary is y). So I think that if guile has built-in complex numbers, we certainly ought to use them. Carl Sorensen _______________________________________________ lilypond-devel mailing list lilypond-devel@gnu.org http://lists.gnu.org/mailman/listinfo/lilypond-devel
