Leo Butler <leo.but...@umanitoba.ca> writes:
> In ob-C.el, line 339 has the format specifier
>
> (`floatp '("double" "%f"))
>
> to print literal floats. However, that format specifier rounds, which
> can result in errors. I think the correct approach is to print the
> float without rounding or padding or trying to guess at the desired
> accuracy (and let the compiler do whatever is needed):
>
> (`floatp '("double" "%s"))
Makes sense. Thanks!
> - (`floatp '("double" "%f"))
> + (`floatp '("double" "%s"))
Please add comment explaining why not %f. Otherwise, it is not fully
clear why "%s" is used.
> --- a/testing/examples/ob-C-test.org
> +++ b/testing/examples/ob-C-test.org
> @@ -60,6 +60,12 @@
> return 0;
> #+end_src
>
> +#+source: float_var
> +#+begin_src cpp :var x=1.123456789012345678 :includes "<iostream>" :results
> silent
> +double y = 1.123456789012345678;
> +std::cout << (x == y);
> +#+end_src
Please move the source block directly into the test using
`org-test-with-temp-text'. The test will be more readable then.
`org-test-at-id' should better be used only when necessary in order to
not jump back and forth when debugging tests.
--
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
or support my work at <https://liberapay.com/yantar92>
