Russian Qt Forum

C++ (Qt)
double sn=log(s/n);

C++ (Qt)
double n_=((n<=0)?1e-8:n);
double sn_=s/n_;
double sn__=((sn_<=0)?1e-8:sn_);
double sn=log(sn__);

C++ (Qt)
static const double epsilon = 0.000001;
 
double sn = log((s + epsilon)/(n + epsilon));
 

C++ (Qt)
double sn=log(s/n);

C++ (Qt)
double n_=((n<=0)?1e-8:n);
double sn_=s/n_;
double sn__=((sn_<=0)?1e-8:sn_);
double sn=log(sn__);

C++ (Qt)
double signal = GetSignal();
double noise = GetNoise();
if (Max(signal. noise) < fudge_Factor) 
 result = 0; 
else {
 double ratio = Clamp(signal, signal_Min, signal_Max) / Clamp(noise. noise_Min, noise_Max);
 result = log(ratio);
} 

double sn_=s/n_;

C++ (Qt)
if (sn != sn) throw; 

C++ (Qt)
int main()
{
    std::ofstream out("test.txt");
 
    std::uniform_real_distribution<double> dist(0.0, 1.0);
    std::mt19937 gen;
 
    const double epsilon = 0.001;
    const unsigned N = 100;
 
    for (unsigned i = 0; i < N; ++i) {
        double s = dist(gen);
        double n = dist(gen);
        out << i << " " << log((s + epsilon)/(n + epsilon)) << std::endl;
    }
 
    return 0;
}
 

C++ (Qt)
double sn = log((s + epsilon)/(n + epsilon));

C++ (Qt)
double sn = log((fabs(s) + epsilon)/(fabs(n) + epsilon));
 

C++ (Qt)
try {
    if(i<0xffffffff) i++;
    else throw "Integer overflow";
}
catch(const char* ex) 
     //...
}

C++ (Qt)
try {
    if(i<0xffffffff) i++;
    else throw "Integer overflow";
}
catch(const char* ex) 
     //...
}

C++ (Qt)
std::numeric_limits<int>::max()