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// Kernel-only excerpt from NVIDIA/cuda-samples at 5443602d89ed99aede2e4b7bf329daddeadb320e.
// Upstream: cpp/0_Introduction/vectorAdd/vectorAdd.cu
// Host code omitted; see README.md for adaptations and build commands.

extern "C"
__global__ void vecAdd(float* A, float* B, float* C, int vectorLength)
{
    int workIndex = threadIdx.x + blockIdx.x*blockDim.x;
    if(workIndex < vectorLength)
    {
        C[workIndex] = A[workIndex] + B[workIndex];
    }
}