Rasmus Munk LarsenandRasmus Munk Larsen
8a3d61c790
libeigen/eigen!2509 Closes #2868 Co-authored-by: Rasmus Munk Larsen <rmlarsen@gmail.com>
23 lines
624 B
C++
23 lines
624 B
C++
// SPDX-FileCopyrightText: The Eigen Authors
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// SPDX-License-Identifier: MPL-2.0
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#include <Eigen/Dense>
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#include <iostream>
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using namespace std;
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int main() {
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Eigen::MatrixXf m(4, 4);
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m << 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16;
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cout << "Block in the middle" << endl;
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cout << m.block<2, 2>(1, 1) << endl << endl;
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for (int i = 1; i <= 3; ++i) {
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cout << "Block of size " << i << "x" << i << endl;
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cout << m.block(0, 0, i, i) << endl << endl;
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}
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int j1 = 2;
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int j2 = 3;
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cout << "Non-square block of size " << j1 << "x" << j2 << endl;
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cout << m.block(0, 0, j1, j2) << endl << endl;
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}
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