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22 lines
503 B
22 lines
503 B
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#include <cuda.h>
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#include <cuda_runtime.h>
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#include <iostream>
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int __host__ file1_sq_func(int x)
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{
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cudaError_t err;
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int nDevices = 0;
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err = cudaGetDeviceCount(&nDevices);
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if (err != cudaSuccess) {
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std::cerr << "nDevices: " << nDevices << std::endl;
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std::cerr << "err: " << err << std::endl;
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return 1;
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}
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std::cout << "this library uses cuda code" << std::endl;
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std::cout << "you have " << nDevices << " devices that support cuda"
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<< std::endl;
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return x * x;
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}
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