[Octave-bug-tracker] [bug #48529] image package: compilation warnings under Mac OSX

[Carnë Draug]

URL:
  <http://savannah.gnu.org/bugs/?48529>

                 Summary: image package: compilation warnings under Mac OSX
                 Project: GNU Octave
            Submitted by: carandraug
            Submitted on: Fri 15 Jul 2016 09:01:49 PM GMT
                Category: Octave Forge Package
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: None
                  Status: None
             Assigned to: None
         Originator Name: Billy Schwartz
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: other
        Operating System: Mac OS

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Details:

As reported on the mailing list

On 15 July 2016 at 20:48, Billy Schwartz <address@hidden> wrote:
> To whom it may concern:
>
> This bug regards compiling and isntalling the Forge package Image on Mac
OS.
> On June 17, 2016, Mike Miller asked whether anyone could install the Image
> package on Mac OS with the latest version of Octave. On a fresh
installation
> of Octave 4.0.3 (using Homebrew) on Mac OS 10.11.5, I was able to compile
> and install the Image package in Octave using the usual "pkg install -forge
> image;" command. However, I received seventy four (74) copies of the
> following error message:
>
>> __custom_gaussian_smoothing__.cc:58:43: warning: using integer absolute
>> value function 'abs' when argument
>>       is of floating point type [-Wabsolute-value]
>>               const octave_idx_type rur = abs (k*(ct*sqrtv2 - st*sqrtv1));
>> // 'rur' means 'row-upper-right'
>>                                           ^
>> __custom_gaussian_smoothing__.cc:58:43: note: use function 'std::abs'
>> instead
>>               const octave_idx_type rur = abs (k*(ct*sqrtv2 - st*sqrtv1));
>> // 'rur' means 'row-upper-right'
>>                                           ^~~
>>                                           std::abs
>
>
> I'm guessing fixing this warning is easy: just use the right type of abs
> function. I also got six error messages like the two below.
>
>> __custom_gaussian_smoothing__.cc:161:22: note: in instantiation of
>> function template specialization
>>       'custom_gaussian_smoothing<Matrix>' requested here
>>       retval.append (custom_gaussian_smoothing<Matrix>(I, lambda1,
>> lambda2, theta));
>
>  
>>
>> __custom_gaussian_smoothing__.cc:209:22: note: in instantiation of
>> function template specialization
>>       'custom_gaussian_smoothing<intNDArray<octave_int<unsigned long long>
>> > >' requested here
>>       retval.append (custom_gaussian_smoothing<uint64NDArray>(I, lambda1,
>> lambda2, theta));





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