pub fn setnumvalue(v: Option<&mut value>, val: mnumber)Expand description
Port of setnumvalue(Value v, mnumber val) from Src/params.c:2856. C body
dispatches on PM_TYPE(v->pm->node.flags):
PM_SCALAR/PM_NAMEREF/PM_ARRAY → convbase_underscore /
convfloat_underscore + setstrvalue; PM_INTEGER →
pm->gsu.i->setfn(pm, val.u.l); PM_EFLOAT|PM_FFLOAT →
pm->gsu.f->setfn(pm, val.u.d). EXECOPT/PM_READONLY checks
at top.