1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 2"http://www.w3.org/TR/html4/loose.dtd"> 3 4<html> 5<head> 6 <meta http-equiv="Content-Language" content="en-us"> 7 <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> 8 <link rel="stylesheet" type="text/css" href="../../../../boost.css"> 9 10 <title>Interval-TODO.htm</title> 11</head> 12 13<body lang="en"> 14 <h1>TODO list for the Interval Arithmetic library</h1> 15 16 <h2>Comments from the review process</h2> 17 18 <ul> 19 <li>It would be nice to have a 100% portable Rounding policy class based 20 on LIA-1 only, with no additional requirement such as IEEE 754 or even 21 more.</li> 22 23 <li>For pi and other constants, we should fetch them from the Math 24 constants library when it is ready.</li> 25 </ul> 26 27 <h2>Various items</h2> 28 29 <ul> 30 <li>Support the <code>-mfpmath=sse</code> option of g++ for Pentium IV 31 optimized code. This requires a different rounding policy class.</li> 32 33 <li>Have an optimized specialization of 34 <code>interval<double></code> using SSE2 instructions? Tricky.</li> 35 36 <li>Write a traits specialization for <code>interval<MPFR></code>, 37 and other non-built-in number types.</li> 38 39 <li>Have a robust implementation of transcendental functions over the 40 built-in floating point types (e.g. using MPFR)?</li> 41 42 <li>Safe conversions from <code>interval<double></code> to 43 <code>interval<float></code>? Requires partial specialization.</li> 44 45 <li>It would be nice to use the expression template mechanism to 46 automatically use the more efficient unprotected rounding mode version 47 for small subexpressions (although you can do bigger expressions by 48 hand).</li> 49 </ul> 50 <hr> 51 52 <p><a href="http://validator.w3.org/check?uri=referer"><img border="0" src= 53 "../../../../doc/images/valid-html401.png" alt="Valid HTML 4.01 Transitional" 54 height="31" width="88"></a></p> 55 56 <p>Revised 57 <!--webbot bot="Timestamp" s-type="EDITED" s-format="%Y-%m-%d" startspan -->2006-12-24<!--webbot bot="Timestamp" endspan i-checksum="12172" --></p> 58 59 <p><i>Copyright © 2002 Guillaume Melquiond, Sylvain Pion, Hervé 60 Brönnimann, Polytechnic University</i></p> 61 62 <p><i>Distributed under the Boost Software License, Version 1.0. (See 63 accompanying file <a href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> 64 or copy at <a href= 65 "http://www.boost.org/LICENSE_1_0.txt">http://www.boost.org/LICENSE_1_0.txt</a>)</i></p> 66</body> 67</html> 68
