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Fix use of student's t approximation to inverse so we don't get 1 and 0 as the result.

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[SVN r85966]
This commit is contained in:
John Maddock
2013-09-26 18:32:55 +00:00
parent 2fdd8e9256
commit c11e570ec0
1 changed files with 1 additions and 1 deletions
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include/boost/math/special_functions/detail/ibeta_inverse.hpp
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@@ -525,7 +525,7 @@ T ibeta_inv_imp(T a, T b, T p, T q, const Policy& pol, T* py)
//
// Select calculation method for the initial estimate:
//
if((b == 0.5f) && (a >= 0.5f))
if((b == 0.5f) && (a >= 0.5f) && (p != 1))
{
//
// We have a Student's T distribution: