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14 lines
210 B
14 lines
210 B
#include "../Eigen/Core"
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using namespace Eigen;
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int main()
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{
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VectorXf a(10), b(10);
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VectorXf const &ac(a);
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#ifdef EIGEN_SHOULD_FAIL_TO_BUILD
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b.swap(ac);
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#else
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b.swap(ac.const_cast_derived());
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#endif
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}
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