[Qgis-developer] Master_2: error: ‘isinf’ was not declared in this scope

[René-Luc Dhont]

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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