f4334277
 Hu Chunming
提交3rdparty
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// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
#ifndef OPENCV_DNN_SRC_CUDA_LIMITS_HPP
#define OPENCV_DNN_SRC_CUDA_LIMITS_HPP
#include <cuda_runtime.h>
#include <cuda_fp16.h>
#include <cfloat>
namespace cv { namespace dnn { namespace cuda4dnn { namespace csl { namespace device {
template <class T>
struct numeric_limits;
#if !defined(__CUDA_ARCH__) || (__CUDA_ARCH__ >= 530)
template <>
struct numeric_limits<__half> {
__device__ static __half min() { return 0.0000610; }
__device__ static __half max() { return 65504.0; }
__device__ static __half lowest() { return -65504.0; }
};
#endif
template <>
struct numeric_limits<float> {
__device__ static float min() { return FLT_MIN; }
__device__ static float max() { return FLT_MAX; }
__device__ static float lowest() { return -FLT_MAX; }
};
}}}}} /* namespace cv::dnn::cuda4dnn::csl::device */
#endif /* OPENCV_DNN_SRC_CUDA_LIMITS_HPP */
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