[Boost-commit] svn:boost r80539 - in sandbox/big_number/libs/multiprecision: doc doc/html doc/html/boost_multiprecision/indexes doc/html/boost_multiprecision/map doc/html/boost_multiprecision/ref doc/html/boost_multiprecision/tut/ints test

Subject: [Boost-commit] svn:boost r80539 - in sandbox/big_number/libs/multiprecision: doc doc/html doc/html/boost_multiprecision/indexes doc/html/boost_multiprecision/map doc/html/boost_multiprecision/ref doc/html/boost_multiprecision/tut/ints test
From: john_at_[hidden]
Date: 2012-09-16 08:25:16

Author: johnmaddock
Date: 2012-09-16 08:25:14 EDT (Sun, 16 Sep 2012)
New Revision: 80539
URL: http://svn.boost.org/trac/boost/changeset/80539

Log:
Update docs with review comments.
Update a few tests based on review comments.
Regenerate docs.
Added:
   sandbox/big_number/libs/multiprecision/test/test_tan.cpp   (contents, props changed)
Text files modified: 
   sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/indexes/s01.html      |     4                                         
   sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/indexes/s02.html      |     4                                         
   sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/indexes/s03.html      |     4                                         
   sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/indexes/s04.html      |     4                                         
   sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/map/todo.html         |   106 ++++++++++++++++++++++++++++++++++++++- 
   sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/ref/number.html       |    94 +++++++++++++++++++++++++++++++----     
   sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/tut/ints/cpp_int.html |    13 ++++                                    
   sandbox/big_number/libs/multiprecision/doc/html/index.html                                 |     2                                         
   sandbox/big_number/libs/multiprecision/doc/multiprecision.qbk                              |    79 ++++++++++++++++++++++++----            
   sandbox/big_number/libs/multiprecision/test/Jamfile.v2                                     |    23 ++++++++                                
   sandbox/big_number/libs/multiprecision/test/test_acos.cpp                                  |     1                                         
   sandbox/big_number/libs/multiprecision/test/test_asin.cpp                                  |     1                                         
   sandbox/big_number/libs/multiprecision/test/test_atan.cpp                                  |     1                                         
   sandbox/big_number/libs/multiprecision/test/test_cosh.cpp                                  |     1                                         
   sandbox/big_number/libs/multiprecision/test/test_pow.cpp                                   |     1                                         
   sandbox/big_number/libs/multiprecision/test/test_sinh.cpp                                  |     1                                         
   sandbox/big_number/libs/multiprecision/test/test_tanh.cpp                                  |     1                                         
   17 files changed, 304 insertions(+), 36 deletions(-)

Modified: sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/indexes/s01.html
==============================================================================
--- sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/indexes/s01.html	(original)
+++ sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/indexes/s01.html	2012-09-16 08:25:14 EDT (Sun, 16 Sep 2012)
@@ -13,9 +13,9 @@
 <div class="spirit-nav">
 <a accesskey="p" href="../indexes.html"><img src="../../images/prev.png" alt="Prev"></a><a accesskey="u" href="../indexes.html"><img src="../../images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../images/home.png" alt="Home"></a><a accesskey="n" href="s02.html"><img src="../../images/next.png" alt="Next"></a>
 </div>
-<div class="section id950395">
+<div class="section id992722">
 <div class="titlepage"><div><div><h3 class="title">
-<a name="id950395"></a>Function Index</h3></div></div></div>
+<a name="id992722"></a>Function Index</h3></div></div></div>
 <p><a class="link" href="s01.html#idx_id_0">A</a> <a class="link" href="s01.html#idx_id_1">B</a> <a class="link" href="s01.html#idx_id_2">C</a> <a class="link" href="s01.html#idx_id_3">D</a> <a class="link" href="s01.html#idx_id_4">E</a> <a class="link" href="s01.html#idx_id_5">F</a> <a class="link" href="s01.html#idx_id_7">I</a> <a class="link" href="s01.html#idx_id_8">L</a> <a class="link" href="s01.html#idx_id_9">M</a> <a class="link" href="s01.html#idx_id_12">P</a> <a class="link" href="s01.html#idx_id_13">R</a> <a class="link" href="s01.html#idx_id_14">S</a> <a class="link" href="s01.html#idx_id_15">T</a> <a class="link" href="s01.html#idx_id_17">Z</a></p>
 <div class="variablelist"><dl class="variablelist">
 <dt>

Modified: sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/indexes/s02.html
==============================================================================
--- sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/indexes/s02.html	(original)
+++ sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/indexes/s02.html	2012-09-16 08:25:14 EDT (Sun, 16 Sep 2012)
@@ -13,9 +13,9 @@
 <div class="spirit-nav">
 <a accesskey="p" href="s01.html"><img src="../../images/prev.png" alt="Prev"></a><a accesskey="u" href="../indexes.html"><img src="../../images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../images/home.png" alt="Home"></a><a accesskey="n" href="s03.html"><img src="../../images/next.png" alt="Next"></a>
 </div>
-<div class="section id954388">
+<div class="section id997152">
 <div class="titlepage"><div><div><h3 class="title">
-<a name="id954388"></a>Class Index</h3></div></div></div>
+<a name="id997152"></a>Class Index</h3></div></div></div>
 <p><a class="link" href="s02.html#idx_id_20">C</a> <a class="link" href="s02.html#idx_id_24">G</a> <a class="link" href="s02.html#idx_id_25">I</a> <a class="link" href="s02.html#idx_id_27">M</a> <a class="link" href="s02.html#idx_id_28">N</a> <a class="link" href="s02.html#idx_id_33">T</a></p>
 <div class="variablelist"><dl class="variablelist">
 <dt>

Modified: sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/indexes/s03.html
==============================================================================
--- sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/indexes/s03.html	(original)
+++ sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/indexes/s03.html	2012-09-16 08:25:14 EDT (Sun, 16 Sep 2012)
@@ -13,9 +13,9 @@
 <div class="spirit-nav">
 <a accesskey="p" href="s02.html"><img src="../../images/prev.png" alt="Prev"></a><a accesskey="u" href="../indexes.html"><img src="../../images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../images/home.png" alt="Home"></a><a accesskey="n" href="s04.html"><img src="../../images/next.png" alt="Next"></a>
 </div>
-<div class="section id954732">
+<div class="section id997497">
 <div class="titlepage"><div><div><h3 class="title">
-<a name="id954732"></a>Typedef Index</h3></div></div></div>
+<a name="id997497"></a>Typedef Index</h3></div></div></div>
 <p><a class="link" href="s03.html#idx_id_38">C</a> <a class="link" href="s03.html#idx_id_43">I</a> <a class="link" href="s03.html#idx_id_44">L</a> <a class="link" href="s03.html#idx_id_45">M</a> <a class="link" href="s03.html#idx_id_51">T</a> <a class="link" href="s03.html#idx_id_52">U</a></p>
 <div class="variablelist"><dl class="variablelist">
 <dt>

Modified: sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/indexes/s04.html
==============================================================================
--- sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/indexes/s04.html	(original)
+++ sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/indexes/s04.html	2012-09-16 08:25:14 EDT (Sun, 16 Sep 2012)
@@ -12,9 +12,9 @@
 <div class="spirit-nav">
 <a accesskey="p" href="s03.html"><img src="../../images/prev.png" alt="Prev"></a><a accesskey="u" href="../indexes.html"><img src="../../images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../images/home.png" alt="Home"></a>
 </div>
-<div class="section id955466">
+<div class="section id998231">
 <div class="titlepage"><div><div><h3 class="title">
-<a name="id955466"></a>Index</h3></div></div></div>
+<a name="id998231"></a>Index</h3></div></div></div>
 <p><a class="link" href="s04.html#idx_id_54">A</a> <a class="link" href="s04.html#idx_id_55">B</a> <a class="link" href="s04.html#idx_id_56">C</a> <a class="link" href="s04.html#idx_id_57">D</a> <a class="link" href="s04.html#idx_id_58">E</a> <a class="link" href="s04.html#idx_id_59">F</a> <a class="link" href="s04.html#idx_id_60">G</a> <a class="link" href="s04.html#idx_id_61">I</a> <a class="link" href="s04.html#idx_id_62">L</a> <a class="link" href="s04.html#idx_id_63">M</a> <a class="link" href="s04.html#idx_id_64">N</a> <a class="link" href="s04.html#idx_id_65">O</a> <a class="link" href="s04.html#idx_id_66">P</a> <a class="link" href="s04.html#idx_id_67">R</a> <a class="link" href="s04.html#idx_id_68">S</a> <a class="link" href="s04.html#idx_id_69">T</a> <a class="link" href="s04.html#idx_id_70">U</a> <a class="link" href="s04.html#idx_id_71">Z</a></p>
 <div class="variablelist"><dl class="variablelist">
 <dt>

Modified: sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/map/todo.html
==============================================================================
--- sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/map/todo.html	(original)
+++ sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/map/todo.html	2012-09-16 08:25:14 EDT (Sun, 16 Sep 2012)
@@ -18,6 +18,106 @@
 <a name="boost_multiprecision.map.todo"></a><a class="link" href="todo.html" title="TODO">TODO</a>
 </h3></div></div></div>
 <p>
+        Things requested in review:
+      </p>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+            A 2's complement fixed precision int that uses exactly N bits and no
+            more.
+          </li>
+<li class="listitem">
+            A backend for an overflow aware integers.
+          </li>
+<li class="listitem">
+            Each back-end should document the requirements it satisfies (not currently
+            scheduled for inclusion: it's deliberately an implementation detail,
+            and "optional" requirements are optimisations which can't be
+            detected by the user).
+          </li>
+<li class="listitem">
+            IIUC convert_to is used to emulate in c++98 compilers C++11 explicit
+            conversions. Could the explicit conversion operator be added on compilers
+            supporting it? (Done 2012/09/15).
+          </li>
+<li class="listitem">
+            The front-end should make the differences between implicit and explicit
+            construction (Done 2012/09/15).
+          </li>
+<li class="listitem">
+            The use of bool in template parameters could be improved by the use of
+            an enum class which will be more explicit. E.g <code class="computeroutput"><span class="keyword">enum</span>
+            <span class="keyword">class</span> <span class="identifier">expression_template</span>
+            <span class="special">{</span><span class="identifier">disabled</span><span class="special">,</span> <span class="identifier">enabled</span><span class="special">};</span> <span class="keyword">enum</span> <span class="keyword">class</span> <span class="identifier">sign</span>
+            <span class="special">{</span><span class="keyword">unsigned</span><span class="special">,</span> <span class="keyword">signed</span><span class="special">};</span></code> (Partly done 2012/09/15).
+          </li>
+<li class="listitem">
+            The ExpresionTemplate parameter could be defaulted to a traits class
+            for more sensible defaults.
+          </li>
+<li class="listitem">
+            The library interface should use the noexcept (BOOST_NOEXCEPT, ...) facilities
+            (Done 2012/09/15).
+          </li>
+<li class="listitem">
+            It is unfortunate that the generic mp_number front end can not make use
+            contexpr as not all the backends can ensure this (done - we can go quite
+            a way).
+          </li>
+<li class="listitem">
+            literals: The library doesn't provide some kind of literals. I think
+            that the mp_number class should provide a way to create literals if the
+            backend is able to. (Done 2012/09/15).
+          </li>
+<li class="listitem">
+            The performances of mp_number&lt;a_trivial_adaptor&lt;float&gt;, false&gt;respect
+            to float and mp_number&lt;a_trivial_adaptor&lt;int&gt;, false&gt; and
+            int should be given to show the cost of using the generic interface (Mostly
+            done, just need to update docs to the latest results).
+          </li>
+<li class="listitem">
+            The documentation should contain Throws specification on the mp_number
+            and backend requirements operations. (Done 2012/09/15).
+          </li>
+<li class="listitem">
+            The tutorial should add more examples concerning implicit or explicit
+            conversions. (Done 2012/09/15).
+          </li>
+<li class="listitem">
+            The documentation must explain how move semantics helps in this domain
+            and what the backend needs to do to profit from this optimization. (Done
+            2012/09/15).
+          </li>
+<li class="listitem">
+            The rounding applied when converting must be documented.
+          </li>
+<li class="listitem">
+            cpp_dec_float should round to nearest.
+          </li>
+<li class="listitem">
+            In a = exp1 op exp2 where a occurs inside one of exp1 or exp2 then we
+            can optimise and eliminate one more temporary.
+          </li>
+<li class="listitem">
+            We can reuse temporaries in multiple subtrees (temporary caching).
+          </li>
+<li class="listitem">
+            Emphasise in the docs that ET's may reorder operations.
+          </li>
+<li class="listitem">
+            Document why we don't use proto (compile times).
+          </li>
+<li class="listitem">
+            Document what happens to small fixed precision cpp_int's.
+          </li>
+<li class="listitem">
+            Should we provide min/max overloads for expression templates?
+          </li>
+<li class="listitem">
+            Document why we don't abstract out addition/multiplication algorithms
+            etc.
+          </li>
+</ul></div>
+<p>
         More a list of what <span class="emphasis"><em>could</em></span> be done, rather than what
         <span class="emphasis"><em>should</em></span> be done (which may be a much smaller list!).
       </p>
@@ -57,10 +157,10 @@
             be the default - int32_t or int64_t? (done 2012/09/06)
           </li>
 <li class="listitem">
-            Document the size requirements of fixed precision ints.
+            Document the size requirements of fixed precision ints (done 2012/09/15).
           </li>
 <li class="listitem">
-            Document std lib function accuracy.
+            Document std lib function accuracy (done 2012/09/15).
           </li>
 <li class="listitem">
             Make fixed precision orthogonal to Allocator type in cpp_int. Possible
@@ -73,7 +173,7 @@
           </li>
 <li class="listitem">
             Be a bit clearer on the effects of sign-magnitude representation of cpp_int
-            - min == -max etc.
+            - min == -max etc - done.
           </li>
 <li class="listitem">
             Document cpp_dec_float precision, rounding, and exponent size (done 2012/09/06).

Modified: sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/ref/number.html
==============================================================================
--- sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/ref/number.html	(original)
+++ sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/ref/number.html	2012-09-16 08:25:14 EDT (Sun, 16 Sep 2012)
@@ -787,10 +787,19 @@
                 </p>
               </td>
 <td>
+                <p>
+                  0eps
+                </p>
               </td>
 <td>
+                <p>
+                  0eps
+                </p>
               </td>
 <td>
+                <p>
+                  0eps
+                </p>
               </td>
 </tr>
 <tr>
@@ -800,10 +809,19 @@
                 </p>
               </td>
 <td>
+                <p>
+                  0eps
+                </p>
               </td>
 <td>
+                <p>
+                  0eps
+                </p>
               </td>
 <td>
+                <p>
+                  0eps
+                </p>
               </td>
 </tr>
 <tr>
@@ -813,10 +831,19 @@
                 </p>
               </td>
 <td>
+                <p>
+                  0eps
+                </p>
               </td>
 <td>
+                <p>
+                  0eps
+                </p>
               </td>
 <td>
+                <p>
+                  0eps
+                </p>
               </td>
 </tr>
 <tr>
@@ -826,10 +853,19 @@
                 </p>
               </td>
 <td>
+                <p>
+                  1eps
+                </p>
               </td>
 <td>
+                <p>
+                  0eps
+                </p>
               </td>
 <td>
+                <p>
+                  0eps
+                </p>
               </td>
 </tr>
 <tr>
@@ -839,10 +875,19 @@
                 </p>
               </td>
 <td>
+                <p>
+                  1045eps[1]</sup></a>
+                </p>
               </td>
 <td>
+                <p>
+                  0eps
+                </p>
               </td>
 <td>
+                <p>
+                  0eps
+                </p>
               </td>
 </tr>
 <tr>
@@ -852,10 +897,19 @@
                 </p>
               </td>
 <td>
+                <p>
+                  2eps
+                </p>
               </td>
 <td>
+                <p>
+                  0eps
+                </p>
               </td>
 <td>
+                <p>
+                  0eps
+                </p>
               </td>
 </tr>
 <tr>
@@ -865,10 +919,19 @@
                 </p>
               </td>
 <td>
+                <p>
+                  1eps
+                </p>
               </td>
 <td>
+                <p>
+                  0eps
+                </p>
               </td>
 <td>
+                <p>
+                  0eps
+                </p>
               </td>
 </tr>
 <tr>
@@ -878,23 +941,19 @@
                 </p>
               </td>
 <td>
-              </td>
-<td>
-              </td>
-<td>
-              </td>
-</tr>
-<tr>
-<td>
                 <p>
-                  fmod
+                  0eps
                 </p>
               </td>
 <td>
+                <p>
+                  4eps
+                </p>
               </td>
 <td>
-              </td>
-<td>
+                <p>
+                  3eps
+                </p>
               </td>
 </tr>
 <tr>
@@ -904,13 +963,26 @@
                 </p>
               </td>
 <td>
+                <p>
+                  1eps
+                </p>
               </td>
 <td>
+                <p>
+                  0eps
+                </p>
               </td>
 <td>
+                <p>
+                  0eps
+                </p>
               </td>
 </tr>
 </tbody>
+<tbody class="footnotes"><tr><td colspan="4"><div id="ftn.boost_multiprecision.ref.number.f0" class="footnote"><p>[1] 
+                    It's likely that the inherent error in the input values to our
+                    test cases are to blame here.
+                  </p></div></td></tr></tbody>
 </table></div>
 <h5>
 <a name="boost_multiprecision.ref.number.h6"></a>

Modified: sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/tut/ints/cpp_int.html
==============================================================================
--- sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/tut/ints/cpp_int.html	(original)
+++ sandbox/big_number/libs/multiprecision/doc/html/boost_multiprecision/tut/ints/cpp_int.html	2012-09-16 08:25:14 EDT (Sun, 16 Sep 2012)
@@ -148,6 +148,19 @@
               of <code class="computeroutput"><span class="identifier">number</span></code> on this backend
               move aware.
             </li>
+<li class="listitem">
+              When used at fixed precision, the size of this type is always one machine
+              word larger than you would expect for an N-bit integer: the extra word
+              stores both the sign, and how many machine words in the integer are
+              actually in use. The latter is an optimisation for larger fixed precision
+              integers, so that a 1024-bit integer has almost the same performance
+              characterists as a 128-bit integer, rather than being 4 times slower
+              for addition and 16 times slower for multiplication (assuming the values
+              involved would always fit in 128 bits). Typically this means you can
+              use an integer type wide enough for the "worst case senario"
+              with only minor performance degradation even if most of the time the
+              arithmetic could in fact be done with a narrower type.
+            </li>
 </ul></div>
 <h6>
 <a name="boost_multiprecision.tut.ints.cpp_int.h0"></a>

Modified: sandbox/big_number/libs/multiprecision/doc/html/index.html
==============================================================================
--- sandbox/big_number/libs/multiprecision/doc/html/index.html	(original)
+++ sandbox/big_number/libs/multiprecision/doc/html/index.html	2012-09-16 08:25:14 EDT (Sun, 16 Sep 2012)
@@ -120,7 +120,7 @@
 </div>
 </div>
 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
-<td align="left"><p><small>Last revised: September 07, 2012 at 08:25:28 GMT</small></p></td>
+<td align="left"><p><small>Last revised: September 16, 2012 at 12:00:51 GMT</small></p></td>
 <td align="right"><div class="copyright-footer"></div></td>
 </tr></table>
 <hr>

Modified: sandbox/big_number/libs/multiprecision/doc/multiprecision.qbk
==============================================================================
--- sandbox/big_number/libs/multiprecision/doc/multiprecision.qbk	(original)
+++ sandbox/big_number/libs/multiprecision/doc/multiprecision.qbk	2012-09-16 08:25:14 EDT (Sun, 16 Sep 2012)
@@ -406,6 +406,14 @@
  `uint128_t` then both `uint128_t(1)-4` and `-uint128(3)` would result in the value `0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFD`
  of type `uint128_t`.
 * This backend supports rvalue-references and is move-aware, making instantiations of `number` on this backend move aware.
+* When used at fixed precision, the size of this type is always one machine word larger than you would expect for an N-bit integer: 
+the extra word stores both the sign, and how many machine words in the integer are actually in use.  
+The latter is an optimisation for larger fixed precision integers, so that a 1024-bit integer has almost the same performance
+characterists as a 128-bit integer, rather than being 4 times slower for addition and 16 times slower for multiplication
+ (assuming the values involved would always fit in 128 bits).
+Typically this means you can use
+an integer type wide enough for the "worst case senario" with only minor performance degradation even if most of the time
+the arithmetic could in fact be done with a narrower type.
  
 
 [h5 Example:]
@@ -1549,16 +1557,15 @@
 [[log10][1eps][0eps][0eps]]
 [[cos][700eps][0eps][0eps]]
 [[sin][1eps][0eps][0eps]]
-[[tan][][][]]
-[[acos][][][]]
-[[asin][][][]]
-[[atan][][][]]
-[[cosh][][][]]
-[[sinh][][][]]
-[[tanh][][][]]
-[[pow][][][]]
-[[fmod][][][]]
-[[atan2][][][]]
+[[tan][0eps][0eps][0eps]]
+[[acos][0eps][0eps][0eps]]
+[[asin][0eps][0eps][0eps]]
+[[atan][1eps][0eps][0eps]]
+[[cosh][1045eps[footnote It's likely that the inherent error in the input values to our test cases are to blame here.]][0eps][0eps]]
+[[sinh][2eps][0eps][0eps]]
+[[tanh][1eps][0eps][0eps]]
+[[pow][0eps][4eps][3eps]]
+[[atan2][1eps][0eps][0eps]]
 ]
 [h4 Traits Class Support]
 
@@ -2675,6 +2682,52 @@
 
 [section:todo TODO]
 
+Things requested in review:
+
+* A 2's complement fixed precision int that uses exactly N bits and no more.
+* A backend for an overflow aware integers.
+* Each back-end should document the requirements it satisfies (not currently scheduled for inclusion: it's
+deliberately an implementation detail, and "optional" requirements are optimisations which can't be detected
+by the user).
+* IIUC convert_to is used to emulate in c++98 compilers C++11 explicit 
+conversions. Could the explicit conversion operator be added on 
+compilers supporting it?  (Done 2012/09/15).
+* The front-end should make the differences between implicit and explicit 
+construction (Done 2012/09/15).
+* The use of bool in template parameters could be improved by the use of 
+an enum class which will be more explicit. E.g `enum class expression_template {disabled, enabled};
+enum class sign {unsigned, signed};`  (Partly done 2012/09/15).
+* The ExpresionTemplate parameter could be defaulted to a traits class for more sensible defaults.
+* The library interface should use the noexcept (BOOST_NOEXCEPT, ...) 
+facilities (Done 2012/09/15).
+* It is unfortunate that the generic mp_number front end can not make use 
+contexpr as not all the backends can ensure this (done - we can go quite a way).
+* literals: The library doesn't provide some kind of literals. I think that the 
+mp_number class should provide a way to create literals if the backend 
+is able to.  (Done 2012/09/15).
+* The performances of mp_number<a_trivial_adaptor<float>, false>respect to 
+float and mp_number<a_trivial_adaptor<int>, false> and int should be 
+given to show the cost of using the generic interface (Mostly done, just need to update docs to the latest results).
+* The documentation should contain Throws specification on the mp_number 
+and backend requirements operations. (Done 2012/09/15).
+* The tutorial should add more examples concerning implicit or explicit 
+conversions. (Done 2012/09/15).
+* The documentation must explain how move semantics helps in this domain 
+and what the backend needs to do to profit from this optimization. (Done 2012/09/15).
+* The rounding applied when converting must be documented.
+* cpp_dec_float should round to nearest.
+* In a = exp1 op exp2 where a occurs inside one of exp1 or exp2 then we can optimise and eliminate one more temporary.
+* We can reuse temporaries in multiple subtrees (temporary caching).
+* Emphasise in the docs that ET's may reorder operations.
+* Document why we don't use proto (compile times).
+* Document what happens to small fixed precision cpp_int's.
+* Should we provide min/max overloads for expression templates?
+* Document why we don't abstract out addition/multiplication algorithms etc.
+
+
+
+
+
 More a list of what ['could] be done, rather than what ['should] be done (which may be a much smaller list!).
 
 * Add back-end support for libdecNumber.
@@ -2689,12 +2742,12 @@
 * Can ring types (exact floating point types) be supported?  The answer should be yes, but someone needs to write it.
 * Make the exponent type for cpp_dec_float a templare parameter, maybe include support for big-integer exponents.
 Open question - what should be the default - int32_t or int64_t?  (done 2012/09/06)
-* Document the size requirements of fixed precision ints.
-* Document std lib function accuracy.
+* Document the size requirements of fixed precision ints (done 2012/09/15).
+* Document std lib function accuracy (done 2012/09/15).
 * Make fixed precision orthogonal to Allocator type in cpp_int.  Possible solution - add an additional MaxBits 
 template argument that defaults to 0 (meaning keep going till no more space/memory).
 * Add support for fused multiply add (and subtract).  GMP mpz_t could use this.
-* Be a bit clearer on the effects of sign-magnitude representation of cpp_int - min == -max etc.
+* Be a bit clearer on the effects of sign-magnitude representation of cpp_int - min == -max etc - done.
 * Document cpp_dec_float precision, rounding, and exponent size (done 2012/09/06).
 * Can we be clearer in the docs that mixed arithmetic doesn't work (no longer applicable as of 2012/09/06)?
 * Document round functions behaviour better (they behave as in C++11) (added note 2012/09/06).

Modified: sandbox/big_number/libs/multiprecision/test/Jamfile.v2
==============================================================================
--- sandbox/big_number/libs/multiprecision/test/Jamfile.v2	(original)
+++ sandbox/big_number/libs/multiprecision/test/Jamfile.v2	2012-09-16 08:25:14 EDT (Sun, 16 Sep 2012)
@@ -496,6 +496,29 @@
          [ check-target-builds ../config//has_mpfr : : <build>no ]
         : test_atan_mpfr_50 ;
 
+run test_tan.cpp gmp
+        : # command line
+        : # input files
+        : # requirements
+	      <define>TEST_MPF_50
+         [ check-target-builds ../config//has_gmp : : <build>no ]
+        : test_tan_mpf50 ;
+
+run test_tan.cpp
+        : # command line
+        : # input files
+        : # requirements
+	      <define>TEST_CPP_DEC_FLOAT
+        : test_tan_cpp_dec_float ;
+
+run test_tan.cpp mpfr
+        : # command line
+        : # input files
+        : # requirements
+	      <define>TEST_MPFR_50
+         [ check-target-builds ../config//has_mpfr : : <build>no ]
+        : test_tan_mpfr_50 ;
+
 run test_gmp_conversions.cpp gmp
         : # command line
         : # input files

Modified: sandbox/big_number/libs/multiprecision/test/test_acos.cpp
==============================================================================
--- sandbox/big_number/libs/multiprecision/test/test_acos.cpp	(original)
+++ sandbox/big_number/libs/multiprecision/test/test_acos.cpp	2012-09-16 08:25:14 EDT (Sun, 16 Sep 2012)
@@ -47,6 +47,7 @@
 template <class T>
 void test()
 {
+   std::cout << "Testing type: " << typeid(T).name() << std::endl;
    //
    // Test with some exact binary values as input - this tests our code
    // rather than the test data:

Modified: sandbox/big_number/libs/multiprecision/test/test_asin.cpp
==============================================================================
--- sandbox/big_number/libs/multiprecision/test/test_asin.cpp	(original)
+++ sandbox/big_number/libs/multiprecision/test/test_asin.cpp	2012-09-16 08:25:14 EDT (Sun, 16 Sep 2012)
@@ -47,6 +47,7 @@
 template <class T>
 void test()
 {
+   std::cout << "Testing type: " << typeid(T).name() << std::endl;
    //
    // Test with some exact binary values as input - this tests our code
    // rather than the test data:

Modified: sandbox/big_number/libs/multiprecision/test/test_atan.cpp
==============================================================================
--- sandbox/big_number/libs/multiprecision/test/test_atan.cpp	(original)
+++ sandbox/big_number/libs/multiprecision/test/test_atan.cpp	2012-09-16 08:25:14 EDT (Sun, 16 Sep 2012)
@@ -68,6 +68,7 @@
 template <class T>
 void test()
 {
+   std::cout << "Testing type: " << typeid(T).name() << std::endl;
    static const boost::array<const char*, 51u> data =
    {{
       "9.999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999966666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666667e-101",

Modified: sandbox/big_number/libs/multiprecision/test/test_cosh.cpp
==============================================================================
--- sandbox/big_number/libs/multiprecision/test/test_cosh.cpp	(original)
+++ sandbox/big_number/libs/multiprecision/test/test_cosh.cpp	2012-09-16 08:25:14 EDT (Sun, 16 Sep 2012)
@@ -47,6 +47,7 @@
 template <class T>
 void test()
 {
+   std::cout << "Testing type: " << typeid(T).name() << std::endl;
    static const boost::array<const char*, 51u> data =
    {{
            "1.0560191127459844751259038114395241283965590525302917878166464679729562764239266483419824023679041866569431842053263976225991679105269492268050148624443706785607467750929028856273183654547152707568642275917435773104050171284580773949313906303074811586096214771879801872225500237540725592288167903987152007171391207680034517664218965133028298959753155835975555361514087618679892905973726581183754237665",

Modified: sandbox/big_number/libs/multiprecision/test/test_pow.cpp
==============================================================================
--- sandbox/big_number/libs/multiprecision/test/test_pow.cpp	(original)
+++ sandbox/big_number/libs/multiprecision/test/test_pow.cpp	2012-09-16 08:25:14 EDT (Sun, 16 Sep 2012)
@@ -48,6 +48,7 @@
 template <class T>
 void test()
 {
+   std::cout << "Testing type: " << typeid(T).name() << std::endl;
    static const boost::array<boost::array<const char*, 3>, 500> data =
    {{
       {{ "9.85291419463953934609889984130859375000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000e4", "8.41670862661703722551465034484863281250000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000e2", "8.66781019918879108354226292713799369912745098619466567318041467361236175866573114777000418440761829061824953361563557580935951901405814080757565313129904800947783606850513184296612628910656615168927761935861462770335134108408073175949783551491164949747086136599355880600420490275164555515512645668845e4202" }},

Modified: sandbox/big_number/libs/multiprecision/test/test_sinh.cpp
==============================================================================
--- sandbox/big_number/libs/multiprecision/test/test_sinh.cpp	(original)
+++ sandbox/big_number/libs/multiprecision/test/test_sinh.cpp	2012-09-16 08:25:14 EDT (Sun, 16 Sep 2012)
@@ -47,6 +47,7 @@
 template <class T>
 void test()
 {
+   std::cout << "Testing type: " << typeid(T).name() << std::endl;
    static const boost::array<const char*, 51u> data =
    {{
       "0.33937643772780730649735035088117439284797964277099188367427256402032493952288848579083622213428182842627923924487560393743204013166230906610274533504451302298480596207257724471359936027198954417317381228420986152562253196896619001418292769103034561794393400788635610424360775622370491149170501475453034747306600304507650361914904138327962144190354572359428689767990353722392457982930942617983634601752",

Added: sandbox/big_number/libs/multiprecision/test/test_tan.cpp
==============================================================================
--- (empty file)
+++ sandbox/big_number/libs/multiprecision/test/test_tan.cpp	2012-09-16 08:25:14 EDT (Sun, 16 Sep 2012)
@@ -0,0 +1,611 @@
+///////////////////////////////////////////////////////////////
+//  Copyright Christopher Kormanyos 2002 - 2011.
+//  Copyright 2011 John Maddock. Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_
+//
+// This work is based on an earlier work:
+// "Algorithm 910: A Portable C++ Multiple-Precision System for Special-Function Calculations",
+// in ACM TOMS, {VOL 37, ISSUE 4, (February 2011)} (C) ACM, 2011. http://doi.acm.org/10.1145/1916461.1916469
+
+#ifdef _MSC_VER
+#  define _SCL_SECURE_NO_WARNINGS
+#endif
+
+#include <boost/detail/lightweight_test.hpp>
+#include <boost/array.hpp>
+#include "test.hpp"
+
+#if !defined(TEST_MPF_50) && !defined(TEST_MPF) && !defined(TEST_BACKEND) && !defined(TEST_MPZ) && !defined(TEST_CPP_DEC_FLOAT) && !defined(TEST_MPFR) && !defined(TEST_MPFR_50) && !defined(TEST_MPQ)
+#  define TEST_MPF_50
+//#  define TEST_MPF
+#  define TEST_BACKEND
+#  define TEST_CPP_DEC_FLOAT
+#  define TEST_MPFR_50
+
+#ifdef _MSC_VER
+#pragma message("CAUTION!!: No backend type specified so testing everything.... this will take some time!!")
+#endif
+#ifdef __GNUC__
+#pragma warning "CAUTION!!: No backend type specified so testing everything.... this will take some time!!"
+#endif
+
+#endif
+
+#if defined(TEST_MPF_50)
+#include <boost/multiprecision/gmp.hpp>
+#endif
+#if defined(TEST_MPFR_50)
+#include <boost/multiprecision/mpfr.hpp>
+#endif
+#ifdef TEST_BACKEND
+#include <boost/multiprecision/concepts/mp_number_archetypes.hpp>
+#endif
+#ifdef TEST_CPP_DEC_FLOAT
+#include <boost/multiprecision/cpp_dec_float.hpp>
+#endif
+
+template <class T>
+void test()
+{
+   std::cout << "Testing type: " << typeid(T).name() << std::endl;
+   static const boost::array<boost::array<const char*, 2>, 500> data =
+   {{
+   {{ "0", "0" }},
+   {{ "0.03125", "0.03126017650125595642059651621507489147877835880393069701338513042228140662868270178810496567920444849" }},
+   {{ "0.0625", "0.06258150756627501465828481747745378814263718044751609194477198396918772026898277636891147279909599223" }},
+   {{ "0.09375", "0.09402562724573195576489755283678159034525247904824579838425258406126459673745015890895186868431790389" }},
+   {{ "0.125", "0.1256551365751309677926782186297740007586657638922255426688666139272557034809288714758416649081949452" }},
+   {{ "0.15625", "0.1575341073252716106852257741724104906661974475121544257009051769486388715993896887955248205741956572" }},
+   {{ "0.1875", "0.1897286107180591328910833700730338162710122536010363055257273177325079653665703027537671734777793159" }},
+   {{ "0.21875", "0.2223072805534313308722888175879995822319104918387718270273535559005416973923742249393961682186904743" }},
+   {{ "0.25", "0.2553419212210362665044822364904736782042016388008226217404756502588831981346542579493165026310550454" }},
+   {{ "0.28125", "0.2889081724405147260015884454642448286982056723714186732378896291489603033944207768995735063901118923" }},
+   {{ "0.3125", "0.3230862443517455201183006557179619743037036164759656335249943943470835620899848486165999610265179128" }},
+   {{ "0.34375", "0.3579617388480169983883959631794471406375375900948760280972554801967920011385682070576100261097824193" }},
+   {{ "0.375", "0.3936265759256327582294137871012180981856966444080712949818309739116951585799388015457993878787997269" }},
+   {{ "0.40625", "0.4301800474642300490203296054472752679963181652078151755042924196261397876727827800621729454863519218" }},
+   {{ "0.4375", "0.467730025452391799921342706961992620413738282701114114727311802060193364671415150855360089743973883" }},
+   {{ "0.46875", "0.5063943574962298120708227547071771387085972911587370796115595547436950963394141008177411206688111652" }},
+   {{ "0.5", "0.5463024898437905132551794657802853832975517201797912461640913859329075105180258157151806482706562186" }},
+   {{ "0.53125", "0.5875973675914432213941588631578976924522062928763012976297627647411436985181631978010052165746790249" }},
+   {{ "0.5625", "0.630437673835884766852611429299775209903293946951939898251650513745196222165381994293674222073197888" }},
+   {{ "0.59375", "0.6750004851442429076631779494777229128864061685897319107997999948317524157945835559284790797708856594" }},
+   {{ "0.625", "0.7214844409909044199895178832795946807605892812145963657590722733756611374332889471678213489198161525" }},
+   {{ "0.65625", "0.770113551344208705005983660052773240245517035179766333813336659352553100285016757206110401160028615" }},
+   {{ "0.6875", "0.8211418015898941219114239653747117008753716453086877023306268412086961091026737960147423436480371207" }},
+   {{ "0.71875", "0.874858760554482349539671907932155532231782257040588572549027780010892786023906162883923961511720127" }},
+   {{ "0.75", "0.9315964599440724611652027565739364281886913399722189970823760758473440872606463942290222395451727347" }},
+   {{ "0.78125", "0.9917378983632686802568573899299023689572109767948642785884455151680071204845003794305054375396567381" }},
+   {{ "0.8125", "1.055727639411919906905928322585893795895648561782414602487481288436493656539800004691156074588329712" }},
+   {{ "0.84375", "1.124085134704560944131255965236688143403009777898521429483610660496648114350313475950507899270640935" }},
+   {{ "0.875", "1.197421629234347972339226617276609445975806623418086002265951386950959459751336541541255052511392263" }},
+   {{ "0.90625", "1.276461828982383445402617843263224436254612963462020761243811395954456362359102470162910199798207331" }},
+   {{ "0.9375", "1.362071976376228231137266640571127531383954502011184315622281795551984309995647087587519913956728759" }},
+   {{ "0.96875", "1.455296662469072910283351203225910848640458285194500237036240390915811463257413817682188441906818248" }},
+   {{ "1", "1.557407724654902230506974807458360173087250772381520038383946605698861397151727289555099965202242984" }},
+   {{ "1.03125", "1.669970130353601668362228999287655840466243330137306547430306024592587314737242276409239980979443174" }},
+   {{ "1.0625", "1.794932157265411111412512666640647365321540790157497713363548060626019826336277151761592643681562889" }},
+   {{ "1.09375", "1.934751011916103924218794082343652203808222523749686394781135509079848569244264225172363092871198012" }},
+   {{ "1.125", "2.092571276372179004423733981234886782259941716148720572913991515339894408382371607574079035650497628" }},
+   {{ "1.15625", "2.272484060247449371554848155118626331407879143446651944395567708418983252993702557436552564850427597" }},
+   {{ "1.1875", "2.479912917556758792437515574454698934001624072586467858166295252178386457324268836053055868956236971" }},
+   {{ "1.21875", "2.722205296368710926927932441765877991142333599010908457349133016162381084884183783877142234320889929" }},
+   {{ "1.25", "3.009569673862831288157563894386243931391637699606062181047618417194668052548525026087449023543493348" }},
+   {{ "1.28125", "3.356619539863437446801254212059537717694035906934171604782430676182834617443082960603002796648697006" }},
+   {{ "1.3125", "3.785038166535876194630450975067081020082611278470578710038656250838244608554256510046862645943214168" }},
+   {{ "1.34375", "4.328443997051826678273102914917348524900160978527585314859991445919675557868173766988955991311583481" }},
+   {{ "1.375", "5.04191525648136332110647205436422898660842030191113551461354742130497045161358084541551547909572374" }},
+   {{ "1.40625", "6.02236781523945747670227618692239447637023828129226996489330674807031833318199939459376428890858723" }},
+   {{ "1.4375", "7.457597366497314807346683309400119820853357043059007743950216525315136075258562571085388447049580691" }},
+   {{ "1.46875", "9.765431722939984318153137075537986427219225446494026346174651506537333303940271000197727980305021618" }},
+   {{ "1.5", "14.10141994717171938764608365198775644565954357723586186612326758608969627041415526864870292630944229" }},
+   {{ "1.53125", "25.27361509038201021888564593774203447137999639112919943365223977030408052066444435679945642193151117" }},
+   {{ "1.5625", "120.5325057225426126499709994255564804478992494692406282802019970839232698437518852292295322760051977" }},
+   {{ "1.59375", "-43.55836040673973128976461522014256814059799632626649998645431997677346427573993827534701436489680689" }},
+   {{ "1.625", "-18.43086276236962258434966752738448975654856844592479276671012332110139541995382323486170528839748939" }},
+   {{ "1.65625", "-11.67374867215481348216513536293945130766869617358776549669176281104274968860961548954064974733991076" }},
+   {{ "1.6875", "-8.529773993911653209272999783778324026196719414411590092375294867302897481134537117581472896391856125" }},
+   {{ "1.71875", "-6.709482397820695376442251396240149572345307174060614879543507453718786710576833294867753884694537068" }},
+   {{ "1.75", "-5.520379922509330168089935698420205500301122430036809938027371836902288281994865833387763391132527793" }},
+   {{ "1.78125", "-4.681280325336429567316481395066494078522124421106252324368679821712511116596067067167862140573504461" }},
+   {{ "1.8125", "-4.056414052170035671394695838412072312925972547334020477371203912084804008892977770267448199074447777" }},
+   {{ "1.84375", "-3.572185661861125859870109039981697499670205624150737204067785923886464814599307447743073100872203818" }},
+   {{ "1.875", "-3.185238919501229169914672833591055563068190813252958079987355697225012578404488535638528315769681186" }},
+   {{ "1.90625", "-2.868371726567042158384165205507273428429609298347592604875428057959086996590505442480814626239318494" }},
+   {{ "1.9375", "-2.603652912010850547260718033703880538638622594696262109914178307203938532760442947667909676035790898" }},
+   {{ "1.96875", "-2.378782114044268462754557076702009514149544247914950239975234530609231791907385965883627186285245033" }},
+   {{ "2", "-2.185039863261518991643306102313682543432017746227663164562955869966773747209194182319743542104728548" }},
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+   {{ "14.75", "-1.42218336083774197380789085745137021789867848279597800468450871698744869740438289092755542692570482" }},
+   {{ "14.78125", "-1.331718058572613129017722401996663023341875099157808098995252549045562547044521935057437210333349552" }},
+   {{ "14.8125", "-1.248483823169844883793467308858957913772012915051151771810074084965259104516379708093866536649015936" }},
+   {{ "14.84375", "-1.171502454280969620050113939757468091964527953537892858826299161314598145955301346129774398985079725" }},
+   {{ "14.875", "-1.09996022360423379094065298284739111500559223495806048377446355428125902586706149601540328954397664" }},
+   {{ "14.90625", "-1.033174396383465269461739738697259215672589493553897443441659340076220701053186730617856132398548093" }},
+   {{ "14.9375", "-0.9705675907155131163149460322607739770705545946870992276893226926978460501228871025636381103213358614" }},
+   {{ "14.96875", "-0.9116479124475490508064737825953723368462225788875404013990634500526165327350899245784037598875471869" }},
+   {{ "15", "-0.8559934009085187640261927782380296049897864414742962979687446281783012594486541122545103129259226012" }},
+   {{ "15.03125", "-0.8032397302332296612432159755337281904284459733163994877022298441144059785603187789136637043263789466" }},
+   {{ "15.0625", "-0.7530703960754939484978446924032015414437125508200990314934869704250553438069278960228507610120908637" }},
+   {{ "15.09375", "-0.7052088187318415299725928408540094093554358958059088325375638362095004704432693353838375709463129551" }},
+   {{ "15.125", "-0.659411937622644225218300893404169827076548649885412227383887901950221923526355502978543776575055119" }},
+   {{ "15.15625", "-0.6154649762727536414801474029122625793755198617269250343988631456453788448149731706979351529235579577" }},
+   {{ "15.1875", "-0.5731771332183040948793178896118867037269598773610412277642977614409075169432893108977656087532808068" }},
+   {{ "15.21875", "-0.5323780107028691176788965668440942781647156607765742951342412648358988559400799809724920990286528734" }},
+   {{ "15.25", "-0.4929146351866012621666401573415074523464609163340854530825224584649245974424596583470196176643838565" }},
+   {{ "15.28125", "-0.4546489554738299415350063572461193751006928326854122963028434583535719327916356408447934270192962049" }},
+   {{ "15.3125", "-0.4174557284251085623680148206370333657407709127949181945517726979253617292255491330234726669774559159" }},
+   {{ "15.34375", "-0.3812207207302419203446046603506711987787377766806738457878506795815713138223264722913354548269137032" }},
+   {{ "15.375", "-0.3458391695028422582485004568448026536356203654713446806415710694635885346246660520826948870993463705" }},
+   {{ "15.40625", "-0.311214455551825073642663079591570618837743590849903018274057606911872122304533000910107606645650336" }},
+   {{ "15.4375", "-0.2772569518534830079599506190692912755868921271423525814120233867695893487373304945292237740353757468" }},
+   {{ "15.46875", "-0.2438830165543173054192587099181568413614402066070223778896735213919894343566763962867244846621486138" }},
+   {{ "15.5", "-0.2110141052012553133863173741408514435037061655011970687100846880180438182550528565062101594891245018" }},
+   {{ "15.53125", "-0.1785759811388596991279739233477573236616687666102227187311862264495771634608666297275574790232136991" }},
+   {{ "15.5625", "-0.1464980063716879847555275878278898667317766571375499828106145375100216949704230935552550931052323183" }},
+   {{ "15.59375", "-0.1147124978452713735943481847220917786442201384229215777788278473922030662630912256721375261600875605" }},
+   }};
+
+   unsigned max_err = 0;
+   for(unsigned k = 0; k < data.size(); k++)
+   {
+      T val = tan(T(data[k][0]));
+      T e = relative_error(val, T(data[k][1]));
+      unsigned err = e.template convert_to<unsigned>();
+      if(err > max_err)
+      {
+         max_err = err;
+      }
+      val = tan(-T(data[k][0]));
+      e = relative_error(val, T(-T(data[k][1])));
+      err = e.template convert_to<unsigned>();
+      if(err > max_err)
+      {
+         max_err = err;
+      }
+   }
+   std::cout << "Max error was: " << max_err << std::endl;
+}
+
+
+int main()
+{
+#ifdef TEST_BACKEND
+   test<boost::multiprecision::number<boost::multiprecision::concepts::number_backend_float_architype> >();
+#endif
+#ifdef TEST_MPF_50
+   test<boost::multiprecision::mpf_float_50>();
+   test<boost::multiprecision::mpf_float_100>();
+#endif
+#ifdef TEST_MPFR_50
+   test<boost::multiprecision::mpfr_float_50>();
+   test<boost::multiprecision::mpfr_float_100>();
+#endif
+#ifdef TEST_CPP_DEC_FLOAT
+   test<boost::multiprecision::cpp_dec_float_50>();
+   test<boost::multiprecision::cpp_dec_float_100>();
+   // Some "peculiar" digit counts which stress our code:
+   test<boost::multiprecision::number<boost::multiprecision::cpp_dec_float<65> > >();
+   test<boost::multiprecision::number<boost::multiprecision::cpp_dec_float<64> > >();
+   test<boost::multiprecision::number<boost::multiprecision::cpp_dec_float<63> > >();
+   test<boost::multiprecision::number<boost::multiprecision::cpp_dec_float<62> > >();
+   test<boost::multiprecision::number<boost::multiprecision::cpp_dec_float<61, long long> > >();
+   test<boost::multiprecision::number<boost::multiprecision::cpp_dec_float<60, long long> > >();
+   test<boost::multiprecision::number<boost::multiprecision::cpp_dec_float<59, long long, std::allocator<void> > > >();
+   test<boost::multiprecision::number<boost::multiprecision::cpp_dec_float<58, long long, std::allocator<void> > > >();
+   // Check low multiprecision digit counts.
+   test<boost::multiprecision::number<boost::multiprecision::cpp_dec_float<9> > >();
+   test<boost::multiprecision::number<boost::multiprecision::cpp_dec_float<18> > >();
+#endif
+   return boost::report_errors();
+}
+
+
+

Modified: sandbox/big_number/libs/multiprecision/test/test_tanh.cpp
==============================================================================
--- sandbox/big_number/libs/multiprecision/test/test_tanh.cpp	(original)
+++ sandbox/big_number/libs/multiprecision/test/test_tanh.cpp	2012-09-16 08:25:14 EDT (Sun, 16 Sep 2012)
@@ -47,6 +47,7 @@
 template <class T>
 void test()
 {
+   std::cout << "Testing type: " << typeid(T).name() << std::endl;
    static const boost::array<const char*, 51u> data =
    {{
          "0.32137338579537729992840434899278935725496267444911714908205287462634251052210833615032073534299473485492692600156322137421801432333125051088723502425037485776412801577568405892077585206768190530859883094571475323319480739773193974206966728764224286661945738178210577326172938196062277314761537881936346874075881338768208490193827960565412814349738654540520356903367084438822830345189856017860672463017",