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added more tests

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[SVN r3581]
This commit is contained in:
Paul A. Bristow
2006-12-30 11:02:36 +00:00
parent de37bf2484
commit 02836f93d6
1 changed files with 23 additions and 10 deletions
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33
test/test_triangular.cpp
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@@ -97,7 +97,7 @@ void test_spots(RealType T)
// Tests on construction
// Default should be 0, 0, 1
BOOST_CHECK_EQUAL(triangular_distribution<RealType>().lower(), 0);
BOOST_CHECK_EQUAL(triangular_distribution<RealType>().lower(), -1);
BOOST_CHECK_EQUAL(triangular_distribution<RealType>().mode(), 0);
BOOST_CHECK_EQUAL(triangular_distribution<RealType>().upper(), 1);
BOOST_CHECK_EQUAL(support(triangular_distribution<RealType>()).first, triangular_distribution<RealType>().lower());
@@ -334,7 +334,13 @@ void test_spots(RealType T)
static_cast<RealType>(0.125),
tolerance);
triangular_distribution<RealType> tristd; // Using typedef == triangular_distribution<double> tristd;
triangular_distribution<RealType> triang; // Using typedef == triangular_distribution<double> tristd;
triangular_distribution<RealType> tristd(0, 0.5, 1); // 'Standard' triangular distribution.
BOOST_CHECK_CLOSE_FRACTION( // median of Standard triangular is sqrt(mode/2) if c > 1/2 else 1 - sqrt((1-c)/2)
median(tristd),
static_cast<RealType>(0.5),
tolerance);
triangular_distribution<RealType> tri011(0, 1, 1); // Using default RealType double.
triangular_distribution<RealType> tri0q1(0, 0.25, 1); // mode is near bottom.
triangular_distribution<RealType> tri0h1(0, 0.5, 1); // Equilateral triangle - mode is the middle.
@@ -363,10 +369,10 @@ void test_spots(RealType T)
RealType xs [] = {0, 0.01L, 0.02L, 0.05L, 0.1L, 0.2L, 0.3L, 0.4L, 0.5L, 0.6L, 0.7L, 0.8L, 0.9L, 0.95L, 0.98L, 0.99L, 1};
const triangular_distribution<RealType>& distr = tristd;
BOOST_CHECK_CLOSE_FRACTION(quantile(complement(distr, 1.)), static_cast<RealType>(0), tol5eps);
const triangular_distribution<RealType>* distp = &tristd;
BOOST_CHECK_CLOSE_FRACTION(quantile(complement(*distp, 1.)), static_cast<RealType>(0), tol5eps);
const triangular_distribution<RealType>& distr = triang;
BOOST_CHECK_CLOSE_FRACTION(quantile(complement(distr, 1.)), static_cast<RealType>(-1), tol5eps);
const triangular_distribution<RealType>* distp = &triang;
BOOST_CHECK_CLOSE_FRACTION(quantile(complement(*distp, 1.)), static_cast<RealType>(-1), tol5eps);
const triangular_distribution<RealType>* dists [] = {&tristd, &tri011, &tri0q1, &tri0h1, &trim12};
BOOST_CHECK_CLOSE_FRACTION(quantile(complement(*dists[1], 1.)), static_cast<RealType>(0), tol5eps);
@@ -529,10 +535,17 @@ int test_main(int, char* [])
// Check that can construct triangular distribution using the two convenience methods:
using namespace boost::math;
triangular tristd; // Using typedef
// == triangular_distribution<double> tristd;
BOOST_CHECK_EQUAL(tristd.lower(), 0); // Check defaults - mode == lower.
BOOST_CHECK_EQUAL(tristd.mode(), 0);
triangular triang; // Using typedef
// == triangular_distribution<double> triang;
BOOST_CHECK_EQUAL(triang.lower(), -1); // Check default.
BOOST_CHECK_EQUAL(triang.mode(), 0);
BOOST_CHECK_EQUAL(triang.upper(), 1);
triangular tristd (0, 0.5, 1); // Using typedef
BOOST_CHECK_EQUAL(tristd.lower(), 0);
BOOST_CHECK_EQUAL(tristd.mode(), 0.5);
BOOST_CHECK_EQUAL(tristd.upper(), 1);
//cout << "X range from " << range(tristd).first << " to " << range(tristd).second << endl;