Hi Tim! I think you may try these functions: scm_is_true scm_is_real_p scm_geq_p
Best regards. On Sun, Feb 21, 2021 at 11:57 AM Tim Meehan <btmee...@gmail.com> wrote: > I'm trying my hand a writing C extensions. > I've done this for stuff like Matlab before, and was wondering how you do > the usual checking of the arguments that are passed in from Guile. > > In the manual, 6.13.13.1 "C Support" has a few functions. > libguile/numbers.h has a bunch more ... > > What I have is an extension function, sort of like the bessel function in > the tutorial: > > https://www.gnu.org/software/guile/manual/html_node/A-Sample-Guile-Extension.html > > What I would like to do is verify that the first argument is an inexact > number, larger than 0. How would I go about that? Perhaps some of it could > be: > SCM_REALP > scm_misc_error > > Any tips? >
