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update for polices

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[SVN r38645]
This commit is contained in:
Paul A. Bristow
2007-08-14 08:36:26 +00:00
parent 6f96ddf50b
commit 08d6c0bd39
1 changed files with 9 additions and 10 deletions
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19
example/error_handling_example.cpp
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@@ -12,12 +12,11 @@
// and comments, don't change any of the special comment markups!
//[error_handling_example
/*`
/*`
The following example demonstrates the effect of
setting the macro BOOST_MATH_DOMAIN_ERROR_POLICY
when an invalid argument is encountered. For the
purposes of this example we'll pass a negative
when an invalid argument is encountered. For the
purposes of this example, we'll pass a negative
degrees of freedom parameter to the student's t
distribution.
@@ -35,7 +34,7 @@ Alternatively we could use:
To ensure the `::errno` is set when a domain error occurs
as well as returning a NaN.
This is safe provided the program consists of a single
This is safe provided the program consists of a single
translation unit /and/ we place the define /before/ any
#includes. Note that should we add the define after the includes
then it will have no effect! A warning such as:
@@ -68,13 +67,13 @@ is set up to handle either an exception or a NaN:
*/
int main()
{
{
cout << "Example error handling using Student's t function. " << endl;
cout << "BOOST_MATH_DOMAIN_ERROR_POLICY is set to: "
cout << "BOOST_MATH_DOMAIN_ERROR_POLICY is set to: "
<< BOOST_STRINGIZE(BOOST_MATH_DOMAIN_ERROR_POLICY) << endl;
double degrees_of_freedom = -1; // A bad argument!
double t = 10;
double t = 10;
try
{
@@ -109,7 +108,7 @@ Example error handling using Student's t function.
BOOST_MATH_DOMAIN_ERROR_POLICY is set to: throw_on_error
Message from thrown exception was:
Error in function boost::math::students_t_distribution<double>::students_t_distribution:
Error in function boost::math::students_t_distribution<double>::students_t_distribution:
Degrees of freedom argument is -1, but must be > 0 !
]
@@ -141,4 +140,4 @@ errno is set to: 33
*/
//] end quickbook markup
//] [error_handling_eg end quickbook markup]