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Update documentation for getCudaEnabledDeviceCount

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Inform users that getCudaEnabledDeviceCount can return -1 in some cases.
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jveitchmichaelis 2017-04-07 14:30:14 +01:00 committed by GitHub
parent 0a63ab36bb
commit 8f19363c07
1 changed files with 2 additions and 1 deletions
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modules/core/include/opencv2/core/cuda.hpp
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@ -595,7 +595,8 @@ private:
/** @brief Returns the number of installed CUDA-enabled devices.
Use this function before any other CUDA functions calls. If OpenCV is compiled without CUDA support,
this function returns 0.
this function returns 0. If the CUDA driver is not installed, or is incompatible, this function
returns -1.
*/
CV_EXPORTS int getCudaEnabledDeviceCount();