Re: [Boost-users] :typedef mt19937, normal_distribution, variate_generator & data storage into vector

Subject: Re: [Boost-users] :typedef mt19937, normal_distribution, variate_generator & data storage into vector
From: Gordon Woodhull (gordon_at_[hidden])
Date: 2014-12-14 16:02:33

> On Dec 14, 2014, at 10:52 AM, It neophyte <phdlux85_at_[hidden]> wrote:
> 
> hi all,
> 
> does someone know why my vstore vector returns a 0 value? any suggestion to improve the code would be appreciated.cheers.
> aim: generating 260 random numbers following a standard normal distribution, then store the values into a vector (here: vstore)
> 
> vector<double>vstore;
> 	vstore.resize(260);

I think you meant "reserve" here. Getting 260 zeros and 260 values?

> 
> 	typedef mt19937 ALEA;
> 	typedef normal_distribution<double> STGAUSSIAN;
> 	typedef variate_generator<ALEA,STGAUSSIAN> GENALEA;
> 
> 	ALEA ale;
> 	STGAUSSIAN stgauss(0,1);
> 	GENALEA gen(ale,stgauss);
> 
> 	for (int i=0;i<=260;i++)
> 	{
> 		//cout<<gen()<<endl;
> 		//system("pause");
> 		
> 		     vstore.push_back(gen());
> 			 cout<<vstore[i]<<endl;
> 		
> 		
> 	}
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