static int get_prio(pstring v)
{
if (v == "(" || v == ")")
return 1;
else if (v.left(1) >= "a" && v.left(1) <= "z")
return 0;
else if (v == "*" || v == "/")
return 20;
else if (v == "+" || v == "-")
return 10;
else if (v == "^")
return 30;
else
return -1;
}
double nl_convert_base_t::get_sp_val(const pstring &sin)
{
std::size_t p = 0;
while (p < sin.length() && (m_numberchars.find(sin.substr(p, 1)) != pstring::npos))
++p;
pstring val = sin.left(p);
pstring unit = sin.substr(p);
double ret = get_sp_unit(unit) * val.as_double();
return ret;
}
