dimanche 31 juillet 2022

no type name 'typed' in class std::result_of [closed]

error: no type named ‘type’ in ‘class std::result_of<std::_Bind<void (*(std::_Placeholder<1>, std::_Placeholder<2>, int, std::_Placeholder<3>))(const int*, int, int, double&)>(int*, int, double)>’
       typedef typename result_of<_Callable(_Args...)>::type result_type;<br>
   auto cvf= bind(computeVarFactor,_1,_2,total_items,avg,_3);
    thread *t1=new thread[num_threads];
    
    for(int i=0;i<num_threads;i++)
    {
        t1[i]=thread(cvf,&data[p_indices[i]],(p_indices[i+1]-p_indices[i]),variances[i]);
    }
    
    //JOINING THE THREADS
    for(int i=0;i<num_threads;i++)
    {
        t1[i].join();
    }
void computeAvgFactor(const int* arr, int size, int divisor, double& avg) {
        avg = 0;
        for (int i = 0; i < size; i++)
            avg += arr[i];
        avg /= divisor;
    }

this is the code I'm sure is causing the problem, yet I've wrecked my brains searching over the internet about what's causing the issue?. I'm hopeful I will find some lead here. Thanks.

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