From: pbristow_at_[hidden]
Date: 2007-09-12 05:39:09
Author: pbristow
Date: 2007-09-12 05:39:07 EDT (Wed, 12 Sep 2007)
New Revision: 39208
URL: http://svn.boost.org/trac/boost/changeset/39208
Log:
added tests for new checks on bad arguments like scale <=0
Text files modified:
sandbox/math_toolkit/libs/math/test/test_normal.cpp | 16 +++++++++++++++-
1 files changed, 15 insertions(+), 1 deletions(-)
Modified: sandbox/math_toolkit/libs/math/test/test_normal.cpp
==============================================================================
--- sandbox/math_toolkit/libs/math/test/test_normal.cpp (original)
+++ sandbox/math_toolkit/libs/math/test/test_normal.cpp 2007-09-12 05:39:07 EDT (Wed, 12 Sep 2007)
@@ -81,7 +81,6 @@
// give only 5 or 6 *fixed* places, so small values have fewer
// digits.
-
cout << "Tolerance for type " << typeid(RealType).name() << " is " << tolerance << " %" << endl;
check_normal(
@@ -260,6 +259,21 @@
BOOST_CHECK_EQUAL(myn01.mean(), myn01.location());
BOOST_CHECK_EQUAL(myn01.standard_deviation(), myn01.scale());
+ // Check some bad parameters to the distribution,
+ // using just double because it has numeric_limit infinity etc.
+ BOOST_CHECK_THROW(boost::math::normal nbad1(+std::numeric_limits<double>::infinity(), 1), std::domain_error); // +infinite mean
+ BOOST_CHECK_THROW(boost::math::normal nbad1(-std::numeric_limits<double>::infinity(), 1), std::domain_error); // -infinite mean
+ BOOST_CHECK_THROW(boost::math::normal nbad1(0, std::numeric_limits<double>::infinity()), std::domain_error); // infinite sd
+ BOOST_CHECK_THROW(boost::math::normal nbad1(0, 0), std::domain_error); // zero sd
+ BOOST_CHECK_THROW(boost::math::normal nbad1(0, -1), std::domain_error); // negative sd
+
+ // Test on extreme values of random variate x, using just double because it has numeric_limit infinity etc..
+ // No longer allow x to be + or - infinity, then these tests should throw.
+ BOOST_CHECK_THROW(pdf(myn01, +std::numeric_limits<double>::infinity()), std::domain_error); // x = + infinity
+ BOOST_CHECK_THROW(cdf(myn01, +std::numeric_limits<double>::infinity()), std::domain_error); // x = + infinity
+ BOOST_CHECK_THROW(cdf(complement(myn01, +std::numeric_limits<double>::infinity())), std::domain_error); // x = + infinity
+ BOOST_CHECK_THROW(quantile(myn01, +std::numeric_limits<double>::infinity()), std::domain_error); // p = + infinity
+ BOOST_CHECK_THROW(quantile(complement(myn01, +std::numeric_limits<double>::infinity())), std::domain_error); // p = + infinity
// Basic sanity-check spot values.
// (Parameter value, arbitrarily zero, only communicates the floating point type).