maybe_exact       301 src/extlib.c    ScmObj r = x;  int maybe_exact = FALSE;
maybe_exact       302 src/extlib.c     if (SCM_EXACTP(x)) maybe_exact = TRUE;
maybe_exact       309 src/extlib.c       maybe_exact = FALSE;
maybe_exact       317 src/extlib.c        maybe_exact = FALSE;
maybe_exact       322 src/extlib.c     if (!maybe_exact && SCM_EXACTP(r)) SCM_RETURN(Scm_ExactToInexact(r));