pub fn fmaxl(x: c_longdouble, y: c_longdouble) callconv(.c) c_longdouble
pub fn fmaxl(x: c_longdouble, y: c_longdouble) callconv(.c) c_longdouble { switch (@typeInfo(c_longdouble).float.bits) { 64 => return fmax(x, y), 80 => return __fmaxx(x, y), 128 => return fmaxq(x, y), else => @compileError("unreachable"), } }