* Fix fisher_f mode
The mode for F-distribution is defined when `df1 > 2` according to https://en.wikipedia.org/wiki/F-distribution. It is also reasonable since `df2 * (df1 - 2) / (df1 * (df2 + 2))` becomes zero or negative when `df1 <= 2`
Co-authored-by: Matt Borland <matt@mattborland.com>
* Fix ibeta_inv for very small p.
Change assert's in temme_method_1_ibeta_inverse to corrections when guess goes out of range.
Change handling of non-convergence in second_order_root_finder to use bracketing when the end points are many orders of magnitude apart.
Fixes: https://github.com/boostorg/math/issues/961.
* Add missing copyright.
[CI SKIP]
* Add Estrin's method for polynomial evaluation
N.B.: This is a slightly modified version of the code provided by Thomas Dybdahl Ahle in a github issue.
[CI SKIP] [ci skip]
* Add comparisons to Horner with std::array.
[CI SKIP]
* Add Estrin's method for polynomial evaluation
N.B.: This is a slightly modified version of the code provided by Thomas Dybdahl Ahle in a github issue.
[CI SKIP] [ci skip]
* Fix hang in n=0 case.
* Fix out of bounds access in test.
* Fix endsect for estrin.qbk.
* Apply clang-format to make the 'inspect' stage happy.
* Add type_traits header to includes.
* Add ulp plot.
* Document decreased accuracy of Estrin's method.
* Add assertion for size of scratch pad
* Remove std::size since it is C++17
* Add C++14 testing
* estrin -> evaluate_polynomial_estrin.
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Co-authored-by: jzmaddock <john@johnmaddock.co.uk>
Co-authored-by: Matt Borland <matt@mattborland.com>
* Update tanh_sinh handling of boundaries.
So that we don't accidentality end up at an end point, even when arithmetic is inexact, and the FP type has no denomrms.
Fixes: https://github.com/boostorg/math/issues/893
* Add licence/copyright to new file.
* Remove tabs.
