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Solve Issue 7063

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consequences of changes

accuracy test

Solve issue 7063
This commit is contained in:
LaurentBerger
2016-08-09 16:00:03 +02:00
parent 44bda8fbb7
commit b75bac7975
4 changed files with 32 additions and 33 deletions
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modules/core/test/test_math.cpp
+19
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@@ -2977,4 +2977,23 @@ TEST(Core_Pow, special)
}
}
TEST(Core_Cholesky, accuracy64f)
{
const int n = 5;
Mat A(n, n, CV_64F), refA;
Mat mean(1, 1, CV_64F);
*mean.ptr<double>() = 10.0;
Mat dev(1, 1, CV_64F);
*dev.ptr<double>() = 10.0;
RNG rng(10);
rng.fill(A, RNG::NORMAL, mean, dev);
A = A*A.t();
A.copyTo(refA);
Cholesky(A.ptr<double>(), A.step, n, NULL, 0, 0);
for (int i = 0; i < A.rows; i++)
for (int j = i + 1; j < A.cols; j++)
A.at<double>(i, j) = 0.0;
EXPECT_TRUE(norm(refA - A*A.t()) < 10e-5);
}
/* End of file. */