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Annotation of /pages/trunk/dist/working/110.51/110.51-README.html

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1 : mblume 1709 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
2 :     <html>
3 :     <head>
4 :     <title>SML/NJ 110.51 NEWS</title>
5 :     </head>
6 :    
7 :     <body>
8 :     <pre>
9 :     S M L / N J
10 :    
11 :     1 1 0 . 5 1 N E W S
12 :    
13 :     November 18, 2004
14 :    
15 :     WARNING
16 :    
17 :     This working version is believed to be stable, but
18 :     we have not run our full regression-test suite.
19 :     </pre>
20 :    
21 :     <dl>
22 :     <dt>HOME:</dt>
23 :     <dd><a href="http://www.smlnj.org/index.html">http://www.smlnj.org/index.html</a></dd>
24 :     <dt>FILES:</dt>
25 :     <dd><a href="http://smlnj.cs.uchicago.edu/dist/working/110.51/">http://smlnj.cs.uchicago.edu/dist/working/110.51/</a></dd>
26 :     </dl>
27 :    
28 :     <h2>Summary:</h2>
29 :    
30 :     This version adds implementations of structures <tt>Int64</tt> and
31 :     (inofficially) <tt>Word64</tt>.
32 :    
33 :     <hr>
34 :    
35 :     <h2>Details:</h2>
36 :    
37 :     <dl>
38 :     <dt>Basis:</dt>
39 :     <dd>
40 :     <ul>
41 :     <li>Added <tt>structure Int64</tt>, an implementation of
42 :     non-native 64-bit integer arithmetic.</li>
43 :    
44 :     <li>Added an inofficial <tt>structure Word64</tt>, an
45 :     implementation of non-native 64-bit word arithmetic.
46 :     The structure is inofficial in the sense that:
47 :     <ul>
48 :     <li><tt>LargeWord</tt> is still the same as <tt>Word32</tt></li>
49 :     <li>the implementations of <tt>toLargeWord</tt>,
50 :     <tt>toLargeWordX</tt>, and <tt>fromLargeWord</tt>
51 :     are dummy placeholders that raise an exception when called.</li>
52 :     </ul></li>
53 :     </ul>
54 :     Neither Int64 nor Word64 are very efficient at the moment as they
55 :     do not rely on native machine support for 64-bit arithmetic
56 :     (and not even on such things as 32-bit multiplications with 64-bit
57 :     results).
58 :     </dd>
59 :    
60 :     <dt>Compiler</dt>
61 :     <dd>
62 :     <ul>
63 :     <li>Added a few primops in support of the implementation of
64 :     64-bit arithmetic mentioned above.</li>
65 :     </ul>
66 :     </dd>
67 :     </dl>
68 :    
69 :     </body>
70 :     </html>

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