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add a unit test for permutation applied to sparse objects

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This commit is contained in:
Gael Guennebaud
2011-10-11 13:45:27 +02:00
parent 3172749f32
commit cd3c2451b6
4 changed files with 155 additions and 17 deletions
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17
test/permutationmatrices.cpp
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@@ -24,23 +24,6 @@
#include "main.h"
template<typename PermutationVectorType>
void randomPermutationVector(PermutationVectorType& v, typename PermutationVectorType::Index size)
{
typedef typename PermutationVectorType::Index Index;
typedef typename PermutationVectorType::Scalar Scalar;
v.resize(size);
for(Index i = 0; i < size; ++i) v(i) = Scalar(i);
if(size == 1) return;
for(Index n = 0; n < 3 * size; ++n)
{
Index i = internal::random<Index>(0, size-1);
Index j;
do j = internal::random<Index>(0, size-1); while(j==i);
std::swap(v(i), v(j));
}
}
using namespace std;
template<typename MatrixType> void permutationmatrices(const MatrixType& m)
{