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@@ -149,7 +149,7 @@ IGL_INLINE bool igl::arap_dof_precomputation(
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// Apply group sum to each dimension's block of covariance scatter matrix
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SparseMatrix<double> G_sum_dim;
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repdiag(G_sum,data.dim,G_sum_dim);
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- CSM = G_sum_dim * CSM;
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+ CSM = (G_sum_dim * CSM).eval();
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#ifdef EXTREME_VERBOSE
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cout<<"CSMIJV=["<<endl;print_ijv(CSM,1);cout<<endl<<"];"<<
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endl<<"CSM=sparse(CSMIJV(:,1),CSMIJV(:,2),CSMIJV(:,3),"<<
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Alec Jacobson