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* Makefile.am: Add t-eoRNG

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* t-eoRNG.cpp: Start test for random number generator.
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kuepper 2006-12-04 22:27:41 +00:00
commit 651a55a51b
3 changed files with 62 additions and 1 deletions
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eo/test/t-eoRNG.cpp Normal file
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//-----------------------------------------------------------------------------
// t-rng.cpp
//-----------------------------------------------------------------------------
// This file really needs to be implementes usign some stringent tests, for now
// we simply check that the impementation of some methods does generally work...
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <iostream>
#include <eo>
#include <utils/eoRNG.h>
using namespace std;
int main()
{
const size_t num(10000);
double mean(100.);
double sigma(5.);
double sum(0.);
for(size_t i=0; i<num; ++i)
sum += abs(rng.normal(sigma));
sum /= double(num);
if(sum > sigma / 0.68) {
cerr << "Normal distribution seems out of bounds; "
<< "rerun to make sure it wasn't a statistical outlier" << endl;
return -1;
}
sum = 0.;
for(size_t i=0; i<num; ++i)
sum += abs(rng.normal(mean, sigma) - mean);
sum /= double(num);
if(sum > sigma / 0.68) {
cerr << "Normal distribution seems out of bounds; "
<< "rerun to make sure it wasn't a statistical outlier" << endl;
return -1;
}
return 0;
}
// Local Variables:
// coding: iso-8859-1
// mode: C++
// c-file-offsets: ((c . 0))
// c-file-style: "Stroustrup"
// fill-column: 80
// End: