[Okular-devel] Review Request 118950: Use correct #include for abs(int)

[Kai Uwe Broulik]

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Same as with Review 119133: What about just using qAbs instead of std::abs?

- Kai Uwe Broulik


On Juli 9, 2014, 3:57 nachm., Vadim Zhukov wrote:
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> https://git.reviewboard.kde.org/r/118950/
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> (Updated Juli 9, 2014, 3:57 nachm.)
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> Review request for Okular, Jon Mease, Luigi Toscano, and Tingnan Zhang.
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> Repository: okular
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> Description
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> Both C and C++ have abs() function. C one is abs(int), declared in <stdlib.h>; and C++ has std::abs(int), std::abs(long) and std::abs(long long) in <cstdlib.h>. But C++ has even more overloaded abs() versions in <cmath>, that do operate on floating point values.
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> core/utils.cpp incorrectly includes <cmath> while std::abs() calls near line 140 use integer versions really:
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>                     && std::abs(static_cast<int>(selectedOutput->edid()->width()*10) - szMM.width()) < 10
>                     && std::abs(static_cast<int>(selectedOutput->edid()->height()*10) - szMM.height()) < 10)
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> This patch changes include to <cstdlib>.
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> Diffs
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>   core/utils.cpp 71442f0 
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> Diff: https://git.reviewboard.kde.org/r/118950/diff/
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> Testing
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> Tested on OpenBSD/i386. Without this patch, build fails.
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> Thanks,
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> Vadim Zhukov
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