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tried using boost_no_numericLimits to avoid max_digits10

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[SVN r66839]
This commit is contained in:
Paul A. Bristow
2010-11-29 12:44:01 +00:00
parent f185b8f435
commit 12aa3bb74a
1 changed files with 13 additions and 5 deletions
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18
example/inverse_chi_squared_example.cpp
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@@ -80,11 +80,19 @@ int main()
cout << "Example (basic) using Inverse chi squared distribution. " << endl;
// TODO find a more practial/useful example. Suggestions welcome?
// TODO find a more practical/useful example. Suggestions welcome?
int i = std::numeric_limits<double>::max_digits10;
cout << "Show all potentially significant decimal digits std::numeric_limits<double>::max_digits10 = " << i << endl;
cout.precision(std::numeric_limits<double>::max_digits10); //
#ifdef BOOST_NO_NUMERIC_LIMITS_LOWEST
int max_digits10 = 2 + (boost::math::policies::digits<double, boost::math::policies::policy<> >() * 30103UL) / 100000UL;
cout << "BOOST_NO_NUMERIC_LIMITS_LOWEST is defined" << endl;
#else
int max_digits10 = std::numeric_limits<double>::max_digits10;
#endif
cout << "Show all potentially significant decimal digits std::numeric_limits<double>::max_digits10 = "
<< max_digits10 << endl;
cout.precision(max_digits10); //
cout << _MSC_VER << ' ' << _MSC_FULL_VER << ' ' << _CPPLIB_VER << endl;
inverse_chi_squared ichsqdef; // All defaults - not very useful!
cout << "default df = " << ichsqdef.degrees_of_freedom()
@@ -127,7 +135,7 @@ int main()
}
}
cout.precision(std::numeric_limits<double>::max_digits10);
cout.precision(max_digits10);
inverse_chi_squared ichisq(2., 0.5);
cout << "pdf(ichisq, 1.) = " << pdf(ichisq, 1.) << endl;