main
test-branch
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Last change
on this file since 397ae5f was ea777aa, checked in by Alex Wilton <awilton@…>, 3 years ago |
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Moved examples, include, build_default.properties, common.xml, and README out from dev.civl.com into the root of the repo.
git-svn-id: svn://vsl.cis.udel.edu/civl/trunk@5704 fb995dde-84ed-4084-dfe6-e5aef3e2452c
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File size:
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| 1 | /* assoc.cvl: adds the elements of an array in two different
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| 2 | * orders, and checks the results agree. This relies on the
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| 3 | * use of real arithmetic, as opposed to floating-point
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| 4 | * arithmetic.
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| 5 | *
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| 6 | * Should be run at commandline specifying an upper bound on
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| 7 | * the length of the array. Example:
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| 8 | * civl verify -inputB=100 assoc.cvl
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| 9 | */
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| 10 | #include <civlc.cvh>
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| 11 | $input int B = 10;
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| 12 | $input int n;
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| 13 | $assume(0<n && n<B);
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| 14 | $input double a[n];
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| 15 |
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| 16 | void main() {
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| 17 | double s0 = 0.0;
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| 18 | double s1 = 0.0;
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| 19 |
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| 20 | for (int i = 0; i < n; i++) {
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| 21 | s0 += a[i];
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| 22 | s1 += a[n-1-i];
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| 23 | }
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| 24 | $assert(s0 == s1);
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| 25 | }
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