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#include "precomp.hpp"

#if !defined (HAVE_CUDA)

void cv::gpu::matchTemplate(const GpuMat&, const GpuMat&, GpuMat&, int) { throw_nogpu(); }

#else

namespace cv { namespace gpu { namespace imgproc {
    
    void matchTemplateCaller_8U_SqDiff(const DevMem2D, const DevMem2D, DevMem2Df);

}}}

void cv::gpu::matchTemplate(const GpuMat& image, const GpuMat& templ, GpuMat& result, int method)
{
    CV_Assert(image.type() == CV_8U);
    CV_Assert(method == CV_TM_SQDIFF);

    CV_Assert(image.type() == templ.type());
    CV_Assert(image.cols >= templ.cols && image.rows >= templ.rows);

    result.create(image.rows - templ.rows + 1, image.cols - templ.cols + 1, CV_32F);
    imgproc::matchTemplateCaller_8U_SqDiff(image, templ, result);
}

#endif