Hmmm...

What about replacing isinf with qIsInf? (and if required #include "qgis.h")?

On 10/17/2016 06:32 PM, René-Luc Dhont wrote:
> Hi Matthias,
> 
> It does not help me if I add #include <math.h> in
> src/gui/qgsscalerangewidget.cpp
> 
> Regards,
> René-Luc
> 
> Le 17/10/2016 à 18:26, Matthias Kuhn a écrit :
>> He René-Luc
>>
>> does it help if you #include <math.h> in src/gui/qgsscalerangewidget.cpp?
>>
>> Matthias
>>
>> On 10/17/2016 06:08 PM, René-Luc Dhont wrote:
>>> Hi devs,
>>>
>>> I have this error during the qgis master_2 building:
>>> ```
>>> ../src/gui/qgsscalerangewidget.cpp:93:21: error: ‘isinf’ was not
>>> declared in this scope
>>>     if ( isinf( scale ) )
>>>                       ^
>>> ../src/gui/qgsscalerangewidget.cpp:93:21: note: suggested alternative:
>>> In file included from /usr/include/c++/5/random:38:0,
>>>                   from /usr/include/c++/5/bits/stl_algo.h:66,
>>>                   from /usr/include/c++/5/algorithm:62,
>>>                   from /usr/include/qt4/QtCore/qglobal.h:68,
>>>                   from /usr/include/qt4/QtCore/qnamespace.h:45,
>>>                   from /usr/include/qt4/QtCore/qobjectdefs.h:45,
>>>                   from /usr/include/qt4/QtCore/qobject.h:47,
>>>                   from /usr/include/qt4/QtGui/qlayout.h:45,
>>>                   from /usr/include/qt4/QtGui/qgridlayout.h:45,
>>>                   from /usr/include/qt4/QtGui/QGridLayout:1,
>>>                   from ../src/gui/qgsscalerangewidget.h:19,
>>>                   from ../src/gui/qgsscalerangewidget.cpp:16:
>>> /usr/include/c++/5/cmath:621:5: note:   ‘std::isinf’
>>>       isinf(_Tp __x)
>>>       ^
>>> ../src/gui/qgsscalerangewidget.cpp: In member function ‘void
>>> QgsScaleRangeWidget::setMaximumScale(double)’:
>>> ../src/gui/qgsscalerangewidget.cpp:105:21: error: ‘isinf’ was not
>>> declared in this scope
>>>     if ( isinf( scale ) )
>>>                       ^
>>> ../src/gui/qgsscalerangewidget.cpp:105:21: note: suggested alternative:
>>> In file included from /usr/include/c++/5/random:38:0,
>>>                   from /usr/include/c++/5/bits/stl_algo.h:66,
>>>                   from /usr/include/c++/5/algorithm:62,
>>>                   from /usr/include/qt4/QtCore/qglobal.h:68,
>>>                   from /usr/include/qt4/QtCore/qnamespace.h:45,
>>>                   from /usr/include/qt4/QtCore/qobjectdefs.h:45,
>>>                   from /usr/include/qt4/QtCore/qobject.h:47,
>>>                   from /usr/include/qt4/QtGui/qlayout.h:45,
>>>                   from /usr/include/qt4/QtGui/qgridlayout.h:45,
>>>                   from /usr/include/qt4/QtGui/QGridLayout:1,
>>>                   from ../src/gui/qgsscalerangewidget.h:19,
>>>                   from ../src/gui/qgsscalerangewidget.cpp:16:
>>> /usr/include/c++/5/cmath:621:5: note:   ‘std::isinf’
>>>       isinf(_Tp __x)
>>>       ^
>>> ```
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