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comment on constructor.

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[SVN r3499]
This commit is contained in:
Paul A. Bristow 2006-12-05 10:02:21 +00:00
parent bae5d19900
commit b0aed3e830
1 changed files with 18 additions and 16 deletions
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34
test/test_normal.cpp
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@ -11,9 +11,9 @@
// http://en.wikipedia.org/wiki/Normal_distribution
// http://www.itl.nist.gov/div898/handbook/eda/section3/eda3661.htm
// Also:
// Weisstein, Eric W. "Normal Distribution."
// From MathWorld--A Wolfram Web Resource.
// http://mathworld.wolfram.com/NormalDistribution.html
// Weisstein, Eric W. "Normal Distribution."
// From MathWorld--A Wolfram Web Resource.
// http://mathworld.wolfram.com/NormalDistribution.html
#define BOOST_MATH_THROW_ON_DOMAIN_ERROR
@ -37,7 +37,7 @@
#include <boost/math/distributions/normal.hpp>
using boost::math::normal_distribution;
#include <boost/math/tools/test.hpp>
#include <boost/math/tools/test.hpp>
#include <iostream>
using std::cout;
@ -168,15 +168,15 @@ void test_spots(RealType T)
//
tolerance = boost::math::tools::epsilon<RealType>() * 5 * 100; // 5 eps as a percentage
BOOST_CHECK_CLOSE(
pdf(normal_distribution<RealType>(), static_cast<RealType>(0)),
pdf(normal_distribution<RealType>(), static_cast<RealType>(0)),
static_cast<RealType>(0.3989422804014326779399460599343818684759L), // 1/sqrt(2*pi)
tolerance);
BOOST_CHECK_CLOSE(
pdf(normal_distribution<RealType>(3), static_cast<RealType>(3)),
pdf(normal_distribution<RealType>(3), static_cast<RealType>(3)),
static_cast<RealType>(0.3989422804014326779399460599343818684759L),
tolerance);
BOOST_CHECK_CLOSE(
pdf(normal_distribution<RealType>(3, 5), static_cast<RealType>(3)),
pdf(normal_distribution<RealType>(3, 5), static_cast<RealType>(3)),
static_cast<RealType>(0.3989422804014326779399460599343818684759L / 5),
tolerance);
@ -186,7 +186,7 @@ void test_spots(RealType T)
for(RealType x = -15; x < 5; x += 0.125)
{
BOOST_CHECK_CLOSE(
pdf(normal_distribution<RealType>(-5, 6), x),
pdf(normal_distribution<RealType>(-5, 6), x),
NaivePDF(RealType(-5), RealType(6), x),
tolerance);
}
@ -236,17 +236,17 @@ void test_spots(RealType T)
kurtosis_excess(dist)
, static_cast<RealType>(0), tol2);
normal_distribution<RealType> norm01(0, 1); // Test default (0, 1)
normal_distribution<RealType> norm01(0, 1); // Test default (0, 1)
BOOST_CHECK_CLOSE(
mean(norm01),
static_cast<RealType>(0), 0); // Mean == zero
normal_distribution<RealType> defsd_norm01(0); // Test default (0, sd = 1)
normal_distribution<RealType> defsd_norm01(0); // Test default (0, sd = 1)
BOOST_CHECK_CLOSE(
mean(defsd_norm01),
static_cast<RealType>(0), 0); // Mean == zero
normal_distribution<RealType> def_norm01; // Test default (0, sd = 1)
normal_distribution<RealType> def_norm01; // Test default (0, sd = 1)
BOOST_CHECK_CLOSE(
mean(def_norm01),
static_cast<RealType>(0), 0); // Mean == zero
@ -263,6 +263,8 @@ int test_main(int, char* [])
// Check that can generate normal distribution using the two convenience methods:
boost::math::normal myf1(1., 2); // Using typedef
normal_distribution<> myf2(1., 2); // Using default RealType double.
boost::math::normal myn01; // Use default values.
// Note NOT myn01() as the compiler will interpret as a function!
// Basic sanity-check spot values.
// (Parameter value, arbitrarily zero, only communicates the floating point type).
@ -287,20 +289,20 @@ int test_main(int, char* [])
Output:
------ Build started: Project: normal, Configuration: Debug Win32 ------
------ Build started: Project: test_normal, Configuration: Debug Win32 ------
Compiling...
test_normal.cpp
Linking...
Autorun "i:\boost-06-05-03-1300\libs\math\test\Math_test\debug\normal.exe"
Autorun "i:\boost-06-05-03-1300\libs\math\test\Math_test\debug\test_normal.exe"
Running 1 test case...
Tolerance for type float is 0.01 %
Tolerance for type double is 0.01 %
Tolerance for type long double is 0.01 %
Tolerance for type class boost::math::concepts::real_concept is 0.01 %
*** No errors detected
Build Time 0:06
Build log was saved at "file://i:\boost-06-05-03-1300\libs\math\test\Math_test\normal\Debug\BuildLog.htm"
normal - 0 error(s), 0 warning(s)
Build Time 0:05
Build log was saved at "file://i:\boost-06-05-03-1300\libs\math\test\Math_test\test_normal\Debug\BuildLog.htm"
test_normal - 0 error(s), 0 warning(s)
========== Build: 1 succeeded, 0 failed, 0 up-to-date, 0 skipped ==========
*/