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Merge pull request #535 from atgeirr/bug-in-scalar-autodiff

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Fix bug in scalar autodiff
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Bård Skaflestad 2015-11-10 14:02:49 +01:00
commit 308a3fd57e
2 changed files with 2 additions and 2 deletions
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2
opm/autodiff/AutoDiff.hpp
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@ -256,7 +256,7 @@ namespace Opm
const AutoDiff<Scalar>& rhs)
{
Scalar a = Scalar(lhs) / rhs.val();
Scalar b = -Scalar(lhs) / (rhs.val() * rhs.val());
Scalar b = (-Scalar(lhs) / (rhs.val() * rhs.val())) * rhs.der();
return AutoDiff<Scalar>::function(a, b);
}

2
tests/test_syntax.cpp
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@ -154,7 +154,7 @@ BOOST_AUTO_TEST_CASE(Division)
const double atol = 1.0e-14;
AdFW a = AdFW::variable(10.0);
AdFW b = AdFW::variable(1.0);
AdFW b = AdFW::function(1.0, 4.0);
AdFW aob = a / b;
BOOST_CHECK_CLOSE(aob.val(), a.val() * b.val(), atol);