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13 lines
465 B
C++
13 lines
465 B
C++
Matrix2f M = Matrix2f::random();
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Matrix2f m;
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m = M;
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cout << "Here is the matrix m:" << endl << m << endl;
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cout << "Now we want to replace m by its own transpose." << endl;
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cout << "If we do m = m.transpose(), then m becomes:" << endl;
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m = m.transpose();
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cout << m << endl << "which is wrong!" << endl;
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cout << "Now let us instead do m = m.transpose().eval(). Then m becomes" << endl;
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m = M;
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m = m.transpose().eval();
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cout << m << endl << "which is right." << endl;
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