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Implement interface for NoAlias assignments.

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* Rename the old copy_using_evaluators to noalias_copy_using_evaluators.
* Write a new copy_using_evaluators which strips NoAlias expression, if present,
  and calls noalias_copy_using_evaluators; in future, it will also take care of
  aliasing in products.
* Add expression() getter to NoAlias.
This commit is contained in:
Jitse Niesen
2012-06-29 13:24:04 +01:00
parent 069fd0e4be
commit c1eb820e50
3 changed files with 23 additions and 2 deletions
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1
test/evaluators.cpp
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@@ -60,6 +60,7 @@ void test_evaluators()
VERIFY_IS_APPROX_EVALUATOR(d, (a + b));
VERIFY_IS_APPROX_EVALUATOR(d, (a + b).transpose());
VERIFY_IS_APPROX_EVALUATOR2(d, prod(a,b), a*b);
VERIFY_IS_APPROX_EVALUATOR2(d.noalias(), prod(a,b), a*b);
VERIFY_IS_APPROX_EVALUATOR2(d, prod(a,b) + c, a*b + c);
VERIFY_IS_APPROX_EVALUATOR2(d, s * prod(a,b), s * a*b);
VERIFY_IS_APPROX_EVALUATOR2(d, prod(a,b).transpose(), (a*b).transpose());