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latan-sample-fake now takes option -r/--seed where seed can be specified if fake bootstrap samples with 100% correlation are needed.

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This commit is contained in:
Andrew Zhen Ning Yong 2020-11-13 07:56:58 +00:00
parent ddee922e72
commit 1b12f2ca2d
1 changed files with 15 additions and 3 deletions
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18
utils/sample-fake.cpp
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@ -18,30 +18,42 @@
*/
#include <LatAnalyze/Io/Io.hpp>
#include <LatAnalyze/Core/OptParser.hpp>
using namespace std;
using namespace Latan;
int main(int argc, char *argv[])
{
OptParser opt;
Index nSample;
double val, err;
string outFileName;
if (argc != 5)
opt.addOption("r", "seed" , OptParser::OptType::value, true,
"random generator seed (default: random)");
opt.addOption("", "help" , OptParser::OptType::trigger, true,
"show this help message and exit");
bool parsed = opt.parse(argc, argv);
if (!parsed or (opt.getArgs().size() != 4) or opt.gotOption("help"))
{
cerr << "usage: " << argv[0];
cerr << " <central value> <error> <nSample> <output file>" << endl;
cerr << endl << "Possible options:" << endl << opt << endl;
return EXIT_FAILURE;
}
val = strTo<double>(argv[1]);
err = strTo<double>(argv[2]);
nSample = strTo<Index>(argv[3]);
outFileName = argv[4];
random_device rd;
mt19937 gen(rd());
SeedType seed = (opt.gotOption("r")) ? opt.optionValue<SeedType>("r") : rd();
mt19937 gen(seed);
normal_distribution<> dis(val, err);
DSample res(nSample);
@ -59,4 +71,4 @@ int main(int argc, char *argv[])
Io::save<DSample>(res, outFileName);
return EXIT_SUCCESS;
}
}