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View of /sml/trunk/READMES/110.51-README

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Revision 1707 - (download) (annotate)
Fri Nov 19 23:52:52 2004 UTC (15 years ago) by mblume
File size: 1392 byte(s)
README files for 110.51
                         S  M  L   /   N  J

                   1  1  0  .  5  1      N  E  W  S
			
                          November 18, 2004

                                WARNING

        This working version is believed to be stable, but
        we have not run our full regression-test suite.

             HOME:  http://www.smlnj.org/index.html
             FILES: http://smlnj.cs.uchicago.edu/dist/working/110.51/


Summary:

   This version adds implementations of structures Int64 and (inofficially)
   Word64.

--------------------------------------------------------------------------

Details:

Basis:
------

  - Added structure Int64, an implementation of non-native 64-bit
    integer arithmetic.
  - Added an inofficial structure Word64, an implementation of non-native
    64-bit word arithmetic.
    The structure is inofficial in the sense that:
      - LargeWord is still the same as Word32
      - the implementations of toLargeWord, toLargeWordX, and fromLargeWord
        are dummy placeholders that raise an exception when called

  Neither Int64 nor Word64 are very efficient at the moment as they
  do not rely on native machine support for 64-bit arithmetic
  (and not even on such things as 32-bit multiplications with 64-bit
   results).

Compiler:
---------

  - Added a few primops in support of the implementation of 64-bit
    arithmetic mentioned above.

root@smlnj-gforge.cs.uchicago.edu
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