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Tools from Pugh et al.'s "Omega Project" for constraint-based compiler tools: The "Omega Library" for constraint manipulation; The "Omega Calculator" (text interface); the "Omega Test" for depedence analysis; the "Uniform Library" for code transformation; and the "Code generation" library for generating the transformed code.
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basic
code_gen
omega_calc
omega_lib
petit
uniform
INSTALL
LICENSE
Makefile
Makefile.config
Makefile.deps
Makefile.rules
README
omega.dsw
omegaLIB.dsp

README

Version of omega where the omega library code has been wrapped in
a namespace for use with OpenAnalysis.

=========================================
Omega Project Source Release, version 1.1

This is verions 1.1 of the Omega Project software, including:
    * The Omega library, a set of routines for manipulating linear constraints
	    over integer variables,  Presburger formulas, and Integer tuple
	    relations and sets.
    * The code generation library, a set of routines for generating code to
	    scan the points in the union of a number of convex sets. 
    * The Omega calculator, a text-based interface to the Omega library
    * Petit, a educational/research tool for analyzing array data dependences
    * The Uniform library, a source to source parallelizing transformation 
      system, described in Wayne Kelly's Ph.D. dissertation.

Some new or recent features:
    * The Uniform library
    * An exact convex hull computation
    * An improved system for handling inexact relations, including taking
      upper and lower bounds, checking for subsets, and checking tautologies
    * Better handling of existentially quantified variables: we can now
      negate and generate code for sets like:
	    {[i] : 1 <= i <= n && exists (alpha :  i <= 10 alpha <= i+k)};
    * An Example operator, that gives a sample solution to set or relation.


Users with code that uses previous versions of the Omega library may
need to make some changes to their code in order to comply with the new
functions for checking subsets, satisfiability, and tautologies.

As usual, the Omega Project is located at
	http://www.cs.umd.edu/projects/omega
	mailto:omega@cs.umd.edu
	ftp://ftp.cs.umd.edu/pub/omega
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