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-rw-r--r--doc/snippets/MatrixBase_isUnitary.cpp5
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diff --git a/doc/snippets/MatrixBase_isUnitary.cpp b/doc/snippets/MatrixBase_isUnitary.cpp
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+++ b/doc/snippets/MatrixBase_isUnitary.cpp
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+Matrix3d m = Matrix3d::Identity();
+m(0,2) = 1e-4;
+cout << "Here's the matrix m:" << endl << m << endl;
+cout << "m.isUnitary() returns: " << m.isUnitary() << endl;
+cout << "m.isUnitary(1e-3) returns: " << m.isUnitary(1e-3) << endl;