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JacobiSVD:

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* fix preallocating constructors, allocate U and V of the right size for computation options
  * complete documentation and internal comments
  * improve unit test, test inf/nan values
This commit is contained in:
Benoit Jacob
2010-10-14 10:14:43 -04:00
parent 47197065da
commit 8f0e80fe30
3 changed files with 186 additions and 61 deletions
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36
test/jacobisvd.cpp
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@@ -196,6 +196,23 @@ template<typename MatrixType> void jacobisvd_verify_assert(const MatrixType& m)
}
}
template<typename MatrixType>
void jacobisvd_inf_nan()
{
JacobiSVD<MatrixType> svd;
typedef typename MatrixType::Scalar Scalar;
Scalar some_inf = Scalar(1) / Scalar(0);
svd.compute(MatrixType::Constant(10,10,some_inf), ComputeFullU | ComputeFullV);
Scalar some_nan = Scalar(0) / Scalar(0);
svd.compute(MatrixType::Constant(10,10,some_nan), ComputeFullU | ComputeFullV);
MatrixType m = MatrixType::Zero(10,10);
m(ei_random<int>(0,9), ei_random<int>(0,9)) = some_inf;
svd.compute(m, ComputeFullU | ComputeFullV);
m = MatrixType::Zero(10,10);
m(ei_random<int>(0,9), ei_random<int>(0,9)) = some_nan;
svd.compute(m, ComputeFullU | ComputeFullV);
}
void test_jacobisvd()
{
CALL_SUBTEST_3(( jacobisvd_verify_assert(Matrix3f()) ));
@@ -211,10 +228,15 @@ void test_jacobisvd()
m << 1, 0,
1, 0;
CALL_SUBTEST_1(( jacobisvd(m, false) ));
Matrix2d n;
n << 1, 1,
1, -1;
n << 0, 0,
0, 0;
CALL_SUBTEST_2(( jacobisvd(n, false) ));
n << 0, 0,
0, 1;
CALL_SUBTEST_2(( jacobisvd(n, false) ));
CALL_SUBTEST_3(( jacobisvd<Matrix3f>() ));
CALL_SUBTEST_4(( jacobisvd<Matrix4d>() ));
CALL_SUBTEST_5(( jacobisvd<Matrix<float,3,5> >() ));
@@ -226,8 +248,14 @@ void test_jacobisvd()
CALL_SUBTEST_8(( jacobisvd<MatrixXcd>(MatrixXcd(r,c)) ));
(void) r;
(void) c;
// Test on inf/nan matrix
CALL_SUBTEST_7( jacobisvd_inf_nan<MatrixXf>() );
}
CALL_SUBTEST_7(( jacobisvd<MatrixXf>(MatrixXf(ei_random<int>(200, 300), ei_random<int>(200, 300))) ));
CALL_SUBTEST_8(( jacobisvd<MatrixXcd>(MatrixXcd(ei_random<int>(100, 120), ei_random<int>(100, 120))) ));
CALL_SUBTEST_7(( jacobisvd<MatrixXf>(MatrixXf(ei_random<int>(100, 150), ei_random<int>(100, 150))) ));
CALL_SUBTEST_8(( jacobisvd<MatrixXcd>(MatrixXcd(ei_random<int>(80, 100), ei_random<int>(80, 100))) ));
// Test problem size constructors
CALL_SUBTEST_7( JacobiSVD<MatrixXf>(10,10) );
}