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14 lines
213 B
C++
14 lines
213 B
C++
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#include "../Eigen/Core"
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using namespace Eigen;
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int main(int argc,char **)
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{
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VectorXf a(10), b(10);
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#ifdef EIGEN_SHOULD_FAIL_TO_BUILD
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b = argc>1 ? 2*a : -a;
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#else
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b = argc>1 ? 2*a : VectorXf(-a);
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#endif
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}
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