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fixed -Wstrict_alliasing warning for GCC

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marina.kolpakova
2012-08-20 02:27:54 +04:00
parent aeaf1a6f6d
commit ede3781e3e
5 changed files with 44 additions and 24 deletions
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8
modules/gpu/src/imgproc.cpp
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@@ -261,6 +261,12 @@ namespace
}
}
#if defined __GNUC__ && __GNUC__ > 2 && __GNUC_MINOR__ > 4
typedef Npp32s __attribute__((__may_alias__)) Npp32s_a;
#else
typedef Npp32s Npp32s_a;
#endif
void cv::gpu::copyMakeBorder(const GpuMat& src, GpuMat& dst, int top, int bottom, int left, int right, int borderType, const Scalar& value, Stream& s)
{
CV_Assert(src.depth() <= CV_32F && src.channels() <= 4);
@@ -308,7 +314,7 @@ void cv::gpu::copyMakeBorder(const GpuMat& src, GpuMat& dst, int top, int bottom
case CV_32FC1:
{
Npp32f val = saturate_cast<Npp32f>(value[0]);
Npp32s nVal = *(reinterpret_cast<Npp32s*>(&val));
Npp32s nVal = *(reinterpret_cast<Npp32s_a*>(&val));
nppSafeCall( nppiCopyConstBorder_32s_C1R(src.ptr<Npp32s>(), static_cast<int>(src.step), srcsz,
dst.ptr<Npp32s>(), static_cast<int>(dst.step), dstsz, top, left, nVal) );
break;