Subject: [Boost-commit] svn:boost r59101 - sandbox/statistics/random/libs/random/example
From: erwann.rogard_at_[hidden]
Date: 2010-01-17 16:10:23
Author: e_r
Date: 2010-01-17 16:10:22 EST (Sun, 17 Jan 2010)
New Revision: 59101
URL: http://svn.boost.org/trac/boost/changeset/59101
Log:
delete
Removed:
sandbox/statistics/random/libs/random/example/categorical.cpp
sandbox/statistics/random/libs/random/example/categorical.h
Deleted: sandbox/statistics/random/libs/random/example/categorical.cpp
==============================================================================
--- sandbox/statistics/random/libs/random/example/categorical.cpp 2010-01-17 16:10:22 EST (Sun, 17 Jan 2010)
+++ (empty file)
@@ -1,80 +0,0 @@
-#include <algorithm>
-#include <boost/timer.hpp>
-#include <boost/random/mersenne_twister.hpp>
-#include <boost/random/chi_squared.hpp>
-#include <boost/random/variate_generator.hpp>
-#include <boost/random/categorical_distribution.hpp>
-#include <boost/random/discrete_distribution_sw_2009.hpp>
-#include <boost/binary_op/algorithm/sort_on_head.hpp>
-
-void example_categorical(std::ostream& out){
-
- using namespace boost;
- typedef double val_;
- typedef std::vector<val_> vals_;
-
- typedef mt19937 urng_;
- typedef boost::random::chi_squared_distribution<val_> rdist_;
- typedef boost::variate_generator<urng_&,rdist_> vg_;
- typedef boost::random::categorical_distribution<> cat_dist_;
- typedef range_size<vals_>::type size_;
- typedef boost::random::discrete_distribution<
- cat_dist_::result_type,
- val_
- > discr_dist_;
-
- const val_ df = 4.0;
- const size_ n = 1e4;
- const size_ m = 1e5;
-
- vals_ weights; weights.reserve(n);
- vals_ values(n);
- urng_ urng;
- rdist_ rdist( df );
- vg_ vg( urng, rdist);
- std::generate_n(
- std::back_inserter(weights),
- n,
- vg
- );
- vals_ sorted_weights = weights;
-
- timer t;
-
- out << ( format("--initialize, n = %1%")%n ).str() << std::endl;
- out << "categorical : ";
- t.restart();
- binary_op::sort_on_head_greater(
- boost::begin(sorted_weights),
- boost::end(sorted_weights),
- boost::begin(values)
- );
- cat_dist_ cat_dist(sorted_weights);
- out << (format("t = %1%")%t.elapsed()).str();
-
- t.restart();
- out << std::endl << "discrete : ";
- discr_dist_ discr(
- boost::begin(weights),
- boost::end(weights)
- );
- out << (format("t = %1%")%t.elapsed()).str();
-
- out << std::endl << ( format("--sample, m = %1%")%m ).str() << std::endl;
- out << "categorical : ";
- t.restart();
- for(unsigned i = 0; i<m; i++){
- cat_dist(urng);
- }
- out << (format("t = %1%")%t.elapsed()).str();
-
- out << std::endl << "discrete : ";
- t.restart();
- for(unsigned i = 0; i<m; i++){
- discr(urng);
- }
- out << (format("t = %1%")%t.elapsed()).str();
-
-}
-
-
Deleted: sandbox/statistics/random/libs/random/example/categorical.h
==============================================================================
--- sandbox/statistics/random/libs/random/example/categorical.h 2010-01-17 16:10:22 EST (Sun, 17 Jan 2010)
+++ (empty file)
@@ -1,17 +0,0 @@
-//////////////////////////////////////////////////////////////////////////////
-// random::students_t_distribution.hpp //
-// //
-// //
-// (C) Copyright 2009 Erwann Rogard //
-// Use, modification and distribution are subject to the //
-// Boost Software License, Version 1.0. (See accompanying file //
-// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) //
-//////////////////////////////////////////////////////////////////////////////
-#ifndef LIBS_RANDOM_EXAMPLE_CATEGORICAL_HPP_ER_2009
-#define LIBS_RANDOM_EXAMPLE_CATEGORICAL_HPP_ER_2009
-#include <iostream>
-
-void example_categorical(std::ostream& out);
-
-#endif
-