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<div class="section">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="math_toolkit.compilers_overview"></a><a class="link" href="compilers_overview.html" title="Compilers">Compilers</a>
</h2></div></div></div>
<p>
This section contains some information about how various compilers work with
this library. It is not comprehensive and updated experiences are always welcome.
Some effort has been made to suppress unhelpful warnings but it is difficult
to achieve this on all systems.
</p>
<div class="table">
<a name="math_toolkit.compilers_overview.supported_tested_compilers"></a><p class="title"><b>Table 1.9. Supported/Tested Compilers</b></p>
<div class="table-contents"><table class="table" summary="Supported/Tested Compilers">
<colgroup>
<col>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Platform
</p>
</th>
<th>
<p>
Compiler
</p>
</th>
<th>
<p>
Has long double support
</p>
</th>
<th>
<p>
Notes
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
Windows
</p>
</td>
<td>
<p>
MSVC 7.1 and later
</p>
</td>
<td>
<p>
Yes
</p>
</td>
<td>
<p>
All tests OK.
</p>
<p>
We aim to keep our headers warning free at level 4 with this compiler.
</p>
</td>
</tr>
<tr>
<td>
<p>
Windows
</p>
</td>
<td>
<p>
Intel 8.1 and later
</p>
</td>
<td>
<p>
Yes
</p>
</td>
<td>
<p>
All tests OK.
</p>
<p>
We aim to keep our headers warning free at level 4 with this compiler.
However, The tests cases tend to generate a lot of warnings relating
to numeric underflow of the test data: these are harmless.
</p>
</td>
</tr>
<tr>
<td>
<p>
Windows
</p>
</td>
<td>
<p>
GNU Mingw32 C++
</p>
</td>
<td>
<p>
Yes
</p>
</td>
<td>
<p>
All tests OK.
</p>
<p>
We aim to keep our headers warning free with -Wall with this compiler.
</p>
</td>
</tr>
<tr>
<td>
<p>
Windows
</p>
</td>
<td>
<p>
GNU Cygwin C++
</p>
</td>
<td>
<p>
No
</p>
</td>
<td>
<p>
All tests OK.
</p>
<p>
We aim to keep our headers warning free with -Wall with this compiler.
</p>
<p>
Long double support has been disabled because there are no native
long double C std library functions available.
</p>
</td>
</tr>
<tr>
<td>
<p>
Windows
</p>
</td>
<td>
<p>
Borland C++ 5.8.2 (Developer studio 2006)
</p>
</td>
<td>
<p>
No
</p>
</td>
<td>
<p>
We have only partial compatibility with this compiler:
</p>
<p>
Long double support has been disabled because the native long double
C standard library functions really only forward to the double versions.
This can result in unpredictable behaviour when using the long double
overloads: for example <code class="computeroutput"><span class="identifier">sqrtl</span></code>
applied to a finite value, can result in an infinite result.
</p>
<p>
Some functions still fail to compile, there are no known workarounds
at present.
</p>
</td>
</tr>
<tr>
<td>
<p>
Windows 7/Netbeans 7.2
</p>
</td>
<td>
<p>
Clang 3.1
</p>
</td>
<td>
<p>
Yes
</p>
</td>
<td>
<p>
Spot examples OK. Expect all tests to compile and run OK.
</p>
</td>
</tr>
<tr>
<td>
<p>
Linux
</p>
</td>
<td>
<p>
GNU C++ 3.4 and later
</p>
</td>
<td>
<p>
Yes
</p>
</td>
<td>
<p>
All tests OK.
</p>
<p>
We aim to keep our headers warning free with -Wall with this compiler.
</p>
</td>
</tr>
<tr>
<td>
<p>
Linux
</p>
</td>
<td>
<p>
Clang 3.2
</p>
</td>
<td>
<p>
Yes
</p>
</td>
<td>
<p>
All tests OK.
</p>
</td>
</tr>
<tr>
<td>
<p>
Linux
</p>
</td>
<td>
<p>
Intel C++ 10.0 and later
</p>
</td>
<td>
<p>
Yes
</p>
</td>
<td>
<p>
All tests OK.
</p>
<p>
We aim to keep our headers warning free with -Wall with this compiler.
However, The tests cases tend to generate a lot of warnings relating
to numeric underflow of the test data: these are harmless.
</p>
</td>
</tr>
<tr>
<td>
<p>
Linux
</p>
</td>
<td>
<p>
Intel C++ 8.1 and 9.1
</p>
</td>
<td>
<p>
No
</p>
</td>
<td>
<p>
All tests OK.
</p>
<p>
Long double support has been disabled with these compiler releases
because calling the standard library long double math functions can
result in a segfault. The issue is Linux distribution and glibc version
specific and is Intel bug report #409291. Fully up to date releases
of Intel 9.1 (post version l_cc_c_9.1.046) shouldn't have this problem.
If you need long double support with this compiler, then comment
out the define of BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS at line
55 of <a href="../../../../../boost/math/tools/config.hpp" target="_top">boost/math/tools/config.hpp</a>.
</p>
<p>
We aim to keep our headers warning free with -Wall with this compiler.
However, The tests cases tend to generate a lot of warnings relating
to numeric underflow of the test data: these are harmless.
</p>
</td>
</tr>
<tr>
<td>
<p>
Linux
</p>
</td>
<td>
<p>
QLogic PathScale 3.0
</p>
</td>
<td>
<p>
Yes
</p>
</td>
<td>
<p>
Some tests involving conceptual checks fail to build, otherwise there
appear to be no issues.
</p>
</td>
</tr>
<tr>
<td>
<p>
Linux
</p>
</td>
<td>
<p>
Sun Studio 12
</p>
</td>
<td>
<p>
Yes
</p>
</td>
<td>
<p>
Some tests involving function overload resolution fail to build,
these issues should be rarely encountered in practice.
</p>
</td>
</tr>
<tr>
<td>
<p>
Solaris
</p>
</td>
<td>
<p>
Sun Studio 12
</p>
</td>
<td>
<p>
Yes
</p>
</td>
<td>
<p>
Some tests involving function overload resolution fail to build,
these issues should be rarely encountered in practice.
</p>
</td>
</tr>
<tr>
<td>
<p>
Solaris
</p>
</td>
<td>
<p>
GNU C++ 4.x
</p>
</td>
<td>
<p>
Yes
</p>
</td>
<td>
<p>
All tests OK.
</p>
<p>
We aim to keep our headers warning free with -Wall with this compiler.
</p>
</td>
</tr>
<tr>
<td>
<p>
HP Tru64
</p>
</td>
<td>
<p>
Compaq C++ 7.1
</p>
</td>
<td>
<p>
Yes
</p>
</td>
<td>
<p>
All tests OK.
</p>
</td>
</tr>
<tr>
<td>
<p>
HP-UX Itanium
</p>
</td>
<td>
<p>
HP aCC 6.x
</p>
</td>
<td>
<p>
Yes
</p>
</td>
<td>
<p>
All tests OK.
</p>
<p>
Unfortunately this compiler emits quite a few warnings from libraries
upon which we depend (TR1, Array etc).
</p>
</td>
</tr>
<tr>
<td>
<p>
HP-UX PA-RISC
</p>
</td>
<td>
<p>
GNU C++ 3.4
</p>
</td>
<td>
<p>
No
</p>
</td>
<td>
<p>
All tests OK.
</p>
</td>
</tr>
<tr>
<td>
<p>
Apple Mac OS X, Intel
</p>
</td>
<td>
<p>
Darwin/GNU C++ 4.x
</p>
</td>
<td>
<p>
Yes
</p>
</td>
<td>
<p>
All tests OK.
</p>
</td>
</tr>
<tr>
<td>
<p>
Apple Mac OS X, PowerPC
</p>
</td>
<td>
<p>
Darwin/GNU C++ 4.x
</p>
</td>
<td>
<p>
No
</p>
</td>
<td>
<p>
All tests OK.
</p>
<p>
Long double support has been disabled on this platform due to the
rather strange nature of Darwin's 106-bit long double implementation.
It should be possible to make this work if someone is prepared to
offer assistance.
</p>
</td>
</tr>
<tr>
<td>
<p>
Apple Mac OS X,
</p>
</td>
<td>
<p>
Clang 3.2
</p>
</td>
<td>
<p>
Yes
</p>
</td>
<td>
<p>
All tests expected to be OK.
</p>
</td>
</tr>
<tr>
<td>
<p>
IBM AIX
</p>
</td>
<td>
<p>
IBM xlc 5.3
</p>
</td>
<td>
<p>
Yes
</p>
</td>
<td>
<p>
All tests pass except for our fpclassify tests which fail due to
a bug in <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">numeric_limits</span></code>, the bug effects
the test code, not fpclassify itself. The IBM compiler group are
aware of the problem.
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><div class="table">
<a name="math_toolkit.compilers_overview.unsupported_compilers"></a><p class="title"><b>Table 1.10. Unsupported Compilers</b></p>
<div class="table-contents"><table class="table" summary="Unsupported Compilers">
<colgroup>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Platform
</p>
</th>
<th>
<p>
Compiler
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
Windows
</p>
</td>
<td>
<p>
Borland C++ 5.9.2 (Borland Developer Studio 2007)
</p>
</td>
</tr>
<tr>
<td>
<p>
Windows
</p>
</td>
<td>
<p>
MSVC 6 and 7
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><p>
If your compiler or platform is not listed above, please try running the regression
tests: cd into boost-root/libs/math/test and do a:
</p>
<pre class="programlisting"><span class="identifier">bjam</span> <span class="identifier">mytoolset</span>
</pre>
<p>
where "mytoolset" is the name of the <a href="http://www.boost.org/doc/html/bbv2.html" target="_top">Boost.Build</a>
toolset used for your compiler. The chances are that <span class="bold"><strong>many
of the accuracy tests will fail at this stage</strong></span> - don't panic - the
default acceptable error tolerances are quite tight, especially for long double
types with an extended exponent range (these cause more extreme test cases
to be executed for some functions). You will need to cast an eye over the output
from the failing tests and make a judgement as to whether the error rates are
acceptable or not.
</p>
</div>
<div class="copyright-footer">Copyright © 2006-2021 Nikhar Agrawal, Anton Bikineev, Matthew Borland,
Paul A. Bristow, Marco Guazzone, Christopher Kormanyos, Hubert Holin, Bruno
Lalande, John Maddock, Evan Miller, Jeremy Murphy, Matthew Pulver, Johan Råde,
Gautam Sewani, Benjamin Sobotta, Nicholas Thompson, Thijs van den Berg, Daryle
Walker and Xiaogang Zhang<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div>
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