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added support of multichannel matrices in gpu::minMax

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This commit is contained in:
Alexey Spizhevoy
2010-11-24 09:03:37 +00:00
parent 282e01cb4a
commit 13d18d65a8
2 changed files with 27 additions and 25 deletions
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18
modules/gpu/src/arithm.cpp
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@@ -496,34 +496,34 @@ namespace cv { namespace gpu { namespace mathfunc {
void cv::gpu::minMax(const GpuMat& src, double* minVal, double* maxVal)
{
CV_Assert(src.channels() == 1);
GpuMat src_ = src.reshape(1);
double maxVal_;
if (!maxVal)
maxVal = &maxVal_;
switch (src.type())
switch (src_.type())
{
case CV_8U:
mathfunc::min_max_caller<unsigned char>(src, minVal, maxVal);
mathfunc::min_max_caller<unsigned char>(src_, minVal, maxVal);
break;
case CV_8S:
mathfunc::min_max_caller<signed char>(src, minVal, maxVal);
mathfunc::min_max_caller<signed char>(src_, minVal, maxVal);
break;
case CV_16U:
mathfunc::min_max_caller<unsigned short>(src, minVal, maxVal);
mathfunc::min_max_caller<unsigned short>(src_, minVal, maxVal);
break;
case CV_16S:
mathfunc::min_max_caller<signed short>(src, minVal, maxVal);
mathfunc::min_max_caller<signed short>(src_, minVal, maxVal);
break;
case CV_32S:
mathfunc::min_max_caller<int>(src, minVal, maxVal);
mathfunc::min_max_caller<int>(src_, minVal, maxVal);
break;
case CV_32F:
mathfunc::min_max_caller<float>(src, minVal, maxVal);
mathfunc::min_max_caller<float>(src_, minVal, maxVal);
break;
case CV_64F:
mathfunc::min_max_caller<double>(src, minVal, maxVal);
mathfunc::min_max_caller<double>(src_, minVal, maxVal);
break;
default:
CV_Error(CV_StsBadArg, "Unsupported type");