summaryrefslogtreecommitdiffstats
path: root/src/boost/libs/math/tools/rational_tests.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/boost/libs/math/tools/rational_tests.cpp')
-rw-r--r--src/boost/libs/math/tools/rational_tests.cpp365
1 files changed, 365 insertions, 0 deletions
diff --git a/src/boost/libs/math/tools/rational_tests.cpp b/src/boost/libs/math/tools/rational_tests.cpp
new file mode 100644
index 00000000..67f1ca0c
--- /dev/null
+++ b/src/boost/libs/math/tools/rational_tests.cpp
@@ -0,0 +1,365 @@
+// (C) Copyright John Maddock 2007.
+// 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)
+
+#include <boost/random.hpp>
+#include <boost/math/tools/rational.hpp>
+#include <iostream>
+#include <fstream>
+#include "mp_t.hpp"
+
+int main()
+{
+ using namespace boost::math;
+ using namespace boost::math::tools;
+
+ std::cout << std::scientific << std::setprecision(40);
+
+ boost::mt19937 rnd;
+ boost::variate_generator<
+ boost::mt19937,
+ boost::uniform_int<> > gen(rnd, boost::uniform_int<>(1, 12));
+
+ for(unsigned i = 1; i < 12; ++i)
+ {
+ std::vector<int> coef;
+ for(unsigned j = 0; j < i; ++j)
+ {
+ coef.push_back(gen());
+ }
+ std::cout <<
+" //\n"
+" // Polynomials of order " << i-1 << "\n"
+" //\n"
+" static const U n" << i << "c[" << i << "] = { ";
+ for(unsigned j = 0; j < i; ++j)
+ {
+ if(j)
+ std::cout << ", ";
+ std::cout << coef[j];
+ }
+ std::cout << " };\n";
+ std::cout <<
+ " static const boost::array<U, " << i << "> n" << i << "a = { ";
+ for(unsigned j = 0; j < i; ++j)
+ {
+ if(j)
+ std::cout << ", ";
+ std::cout << coef[j];
+ }
+ std::cout << " };\n";
+
+ mp_t r1 = boost::math::tools::evaluate_polynomial(&coef[0], mp_t(0.125), i);
+ mp_t r2 = boost::math::tools::evaluate_polynomial(&coef[0], mp_t(0.25), i);
+ mp_t r3 = boost::math::tools::evaluate_polynomial(&coef[0], mp_t(0.75), i);
+ mp_t r4 = boost::math::tools::evaluate_polynomial(&coef[0], mp_t(1) - mp_t(1) / 64, i);
+
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_polynomial(n" << i << "c, static_cast<T>(0.125), " << i << "),\n"
+ " static_cast<T>(" << r1 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_polynomial(n" << i << "c, static_cast<T>(0.25), " << i << "),\n"
+ " static_cast<T>(" << r2 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_polynomial(n" << i << "c, static_cast<T>(0.75), " << i << "),\n"
+ " static_cast<T>(" << r3 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_polynomial(n" << i << "c, static_cast<T>(1.0f - 1.0f/64.0f), " << i << "),\n"
+ " static_cast<T>(" << r4 << "L),\n"
+ " tolerance);\n\n";
+
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_polynomial(n" << i << "c, static_cast<T>(0.125)),\n"
+ " static_cast<T>(" << r1 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_polynomial(n" << i << "c, static_cast<T>(0.25)),\n"
+ " static_cast<T>(" << r2 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_polynomial(n" << i << "c, static_cast<T>(0.75)),\n"
+ " static_cast<T>(" << r3 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_polynomial(n" << i << "c, static_cast<T>(1.0f - 1.0f/64.0f)),\n"
+ " static_cast<T>(" << r4 << "L),\n"
+ " tolerance);\n\n";
+
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_polynomial(n" << i << "a, static_cast<T>(0.125)),\n"
+ " static_cast<T>(" << r1 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_polynomial(n" << i << "a, static_cast<T>(0.25)),\n"
+ " static_cast<T>(" << r2 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_polynomial(n" << i << "a, static_cast<T>(0.75)),\n"
+ " static_cast<T>(" << r3 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_polynomial(n" << i << "a, static_cast<T>(1.0f - 1.0f/64.0f)),\n"
+ " static_cast<T>(" << r4 << "L),\n"
+ " tolerance);\n\n";
+
+ r1 = boost::math::tools::evaluate_even_polynomial(&coef[0], mp_t(0.125), i);
+ r2 = boost::math::tools::evaluate_even_polynomial(&coef[0], mp_t(0.25), i);
+ r3 = boost::math::tools::evaluate_even_polynomial(&coef[0], mp_t(0.75), i);
+ r4 = boost::math::tools::evaluate_even_polynomial(&coef[0], mp_t(1) - mp_t(1) / 64, i);
+
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_even_polynomial(n" << i << "c, static_cast<T>(0.125), " << i << "),\n"
+ " static_cast<T>(" << r1 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_even_polynomial(n" << i << "c, static_cast<T>(0.25), " << i << "),\n"
+ " static_cast<T>(" << r2 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_even_polynomial(n" << i << "c, static_cast<T>(0.75), " << i << "),\n"
+ " static_cast<T>(" << r3 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_even_polynomial(n" << i << "c, static_cast<T>(1.0f - 1.0f/64.0f), " << i << "),\n"
+ " static_cast<T>(" << r4 << "L),\n"
+ " tolerance);\n\n";
+
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_even_polynomial(n" << i << "c, static_cast<T>(0.125)),\n"
+ " static_cast<T>(" << r1 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_even_polynomial(n" << i << "c, static_cast<T>(0.25)),\n"
+ " static_cast<T>(" << r2 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_even_polynomial(n" << i << "c, static_cast<T>(0.75)),\n"
+ " static_cast<T>(" << r3 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_even_polynomial(n" << i << "c, static_cast<T>(1.0f - 1.0f/64.0f)),\n"
+ " static_cast<T>(" << r4 << "L),\n"
+ " tolerance);\n\n";
+
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_even_polynomial(n" << i << "a, static_cast<T>(0.125)),\n"
+ " static_cast<T>(" << r1 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_even_polynomial(n" << i << "a, static_cast<T>(0.25)),\n"
+ " static_cast<T>(" << r2 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_even_polynomial(n" << i << "a, static_cast<T>(0.75)),\n"
+ " static_cast<T>(" << r3 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_even_polynomial(n" << i << "a, static_cast<T>(1.0f - 1.0f/64.0f)),\n"
+ " static_cast<T>(" << r4 << "L),\n"
+ " tolerance);\n\n";
+
+ if(i > 1)
+ {
+ r1 = boost::math::tools::evaluate_odd_polynomial(&coef[0], mp_t(0.125), i);
+ r2 = boost::math::tools::evaluate_odd_polynomial(&coef[0], mp_t(0.25), i);
+ r3 = boost::math::tools::evaluate_odd_polynomial(&coef[0], mp_t(0.75), i);
+ r4 = boost::math::tools::evaluate_odd_polynomial(&coef[0], mp_t(1) - mp_t(1) / 64, i);
+
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_odd_polynomial(n" << i << "c, static_cast<T>(0.125), " << i << "),\n"
+ " static_cast<T>(" << r1 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_odd_polynomial(n" << i << "c, static_cast<T>(0.25), " << i << "),\n"
+ " static_cast<T>(" << r2 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_odd_polynomial(n" << i << "c, static_cast<T>(0.75), " << i << "),\n"
+ " static_cast<T>(" << r3 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_odd_polynomial(n" << i << "c, static_cast<T>(1.0f - 1.0f/64.0f), " << i << "),\n"
+ " static_cast<T>(" << r4 << "L),\n"
+ " tolerance);\n\n";
+
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_odd_polynomial(n" << i << "c, static_cast<T>(0.125)),\n"
+ " static_cast<T>(" << r1 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_odd_polynomial(n" << i << "c, static_cast<T>(0.25)),\n"
+ " static_cast<T>(" << r2 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_odd_polynomial(n" << i << "c, static_cast<T>(0.75)),\n"
+ " static_cast<T>(" << r3 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_odd_polynomial(n" << i << "c, static_cast<T>(1.0f - 1.0f/64.0f)),\n"
+ " static_cast<T>(" << r4 << "L),\n"
+ " tolerance);\n\n";
+
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_odd_polynomial(n" << i << "a, static_cast<T>(0.125)),\n"
+ " static_cast<T>(" << r1 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_odd_polynomial(n" << i << "a, static_cast<T>(0.25)),\n"
+ " static_cast<T>(" << r2 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_odd_polynomial(n" << i << "a, static_cast<T>(0.75)),\n"
+ " static_cast<T>(" << r3 << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_odd_polynomial(n" << i << "a, static_cast<T>(1.0f - 1.0f/64.0f)),\n"
+ " static_cast<T>(" << r4 << "L),\n"
+ " tolerance);\n\n";
+ }
+
+ r1 = boost::math::tools::evaluate_polynomial(&coef[0], mp_t(0.125), i);
+ r2 = boost::math::tools::evaluate_polynomial(&coef[0], mp_t(0.25), i);
+ r3 = boost::math::tools::evaluate_polynomial(&coef[0], mp_t(0.75), i);
+ r4 = boost::math::tools::evaluate_polynomial(&coef[0], mp_t(1) - mp_t(1) / 64, i);
+
+ coef.clear();
+ for(unsigned j = 0; j < i; ++j)
+ {
+ coef.push_back(gen());
+ }
+ std::cout <<
+" //\n"
+" // Rational functions of order " << i-1 << "\n"
+" //\n"
+" static const U d" << i << "c[" << i << "] = { ";
+ for(unsigned j = 0; j < i; ++j)
+ {
+ if(j)
+ std::cout << ", ";
+ std::cout << coef[j];
+ }
+ std::cout << " };\n";
+ std::cout <<
+ " static const boost::array<U, " << i << "> d" << i << "a = { ";
+ for(unsigned j = 0; j < i; ++j)
+ {
+ if(j)
+ std::cout << ", ";
+ std::cout << coef[j];
+ }
+ std::cout << " };\n";
+
+ mp_t r1d = boost::math::tools::evaluate_polynomial(&coef[0], mp_t(0.125), i);
+ mp_t r2d = boost::math::tools::evaluate_polynomial(&coef[0], mp_t(0.25), i);
+ mp_t r3d = boost::math::tools::evaluate_polynomial(&coef[0], mp_t(0.75), i);
+ mp_t r4d = boost::math::tools::evaluate_polynomial(&coef[0], mp_t(1) - mp_t(1) / 64, i);
+
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_rational(n" << i << "c, d" << i << "c, static_cast<T>(0.125), " << i << "),\n"
+ " static_cast<T>(" << r1/r1d << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_rational(n" << i << "c, d" << i << "c, static_cast<T>(0.25), " << i << "),\n"
+ " static_cast<T>(" << r2/r2d << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_rational(n" << i << "c, d" << i << "c, static_cast<T>(0.75), " << i << "),\n"
+ " static_cast<T>(" << r3/r3d << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_rational(n" << i << "c, d" << i << "c, static_cast<T>(1.0f - 1.0f/64.0f), " << i << "),\n"
+ " static_cast<T>(" << r4/r4d << "L),\n"
+ " tolerance);\n\n";
+
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_rational(n" << i << "c, d" << i << "c, static_cast<T>(0.125)),\n"
+ " static_cast<T>(" << r1/r1d << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_rational(n" << i << "c, d" << i << "c, static_cast<T>(0.25)),\n"
+ " static_cast<T>(" << r2/r2d << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_rational(n" << i << "c, d" << i << "c, static_cast<T>(0.75)),\n"
+ " static_cast<T>(" << r3/r3d << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_rational(n" << i << "c, d" << i << "c, static_cast<T>(1.0f - 1.0f/64.0f)),\n"
+ " static_cast<T>(" << r4/r4d << "L),\n"
+ " tolerance);\n\n";
+
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_rational(n" << i << "a, d" << i << "a, static_cast<T>(0.125)),\n"
+ " static_cast<T>(" << r1/r1d << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_rational(n" << i << "a, d" << i << "a, static_cast<T>(0.25)),\n"
+ " static_cast<T>(" << r2/r2d << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_rational(n" << i << "a, d" << i << "a, static_cast<T>(0.75)),\n"
+ " static_cast<T>(" << r3/r3d << "L),\n"
+ " tolerance);\n";
+ std::cout <<
+ " BOOST_CHECK_CLOSE(\n"
+ " boost::math::tools::evaluate_rational(n" << i << "a, d" << i << "a, static_cast<T>(1.0f - 1.0f/64.0f)),\n"
+ " static_cast<T>(" << r4/r4d << "L),\n"
+ " tolerance);\n\n";
+ }
+
+ return 0;
+}
+
+
+