Review Request 116866: Use std::isnan on compilers that support it (fixes MinGW on Windows)

[Alex Merry]

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src/ConfigureChecks.cmake
<https://git.reviewboard.kde.org/r/116866/#comment37507>

    Either this line should be removed from here, or it should be added to kcolorutils.cpp (otherwise you're testing in one environment and using it in another).


- Alex Merry


On March 18, 2014, 3:18 a.m., Michael Hansen wrote:
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> https://git.reviewboard.kde.org/r/116866/
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> (Updated March 18, 2014, 3:18 a.m.)
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> 
> Review request for KDE Frameworks.
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> Repository: kguiaddons
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> Description
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> Use std::isnan from <cmath> instead of isnan from <math.h>, as MinGW-32 on Windows does not include the latter.  This keeps the _isnan hack for MSVC, since that compiler doesn't include either standard version :(.
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> Diffs
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>   src/CMakeLists.txt 624d2e109be5c26af9781101a005b4a163361a92 
>   src/ConfigureChecks.cmake PRE-CREATION 
>   src/colors/kcolorutils.cpp 7df25b3d7acbb65b29513d2139d7b83de53ee4c2 
>   src/kguiaddons_config.h.cmake PRE-CREATION 
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> Diff: https://git.reviewboard.kde.org/r/116866/diff/
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> Testing
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> Compiled with MSVC10 (32-bit), MinGW 4.8 (32-bit, Windows native), and GCC 4.8 (Arch x86_64).
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> Thanks,
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> Michael Hansen
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>

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