core.math.rndtonl: invalid return type or description?

[ketmar via Digitalmars-d]

ag0aep6g wrote:

> On 06/19/2017 12:45 PM, ketmar wrote:
>> ag0aep6g wrote:
> [...]
>>> If this is the same function: 
>>> <http://www.digitalmars.com/rtl/fltpnt.html#rndtol>, then it should 
>>> return a C long, which I guess is a D int on 32 bits. And surprise: 
>>> that works.
>> no, there is `rndtol()` and `rndtonl()` in `core.math`,  they are 
>> different functions.
>
> The link covers both. See the Prototype and Description sections.

ah, sorry, i should really read linked text instead of guessing from the 
name only. ;-)


>> also, `rndtol()` should return D `long` (i.e. 64 bit value). at least 
>> this is what `core.math` says.
>
> Sure, but it doesn't work with D long. It works with D int, which makes 
> sense when the function actually returns a C long (assuming that DMC's 
> long has 32 bits).

then it is yet another bug in `core.math`...