Rasmus Munk LarsenandRasmus Munk Larsen
8a3d61c790
libeigen/eigen!2509 Closes #2868 Co-authored-by: Rasmus Munk Larsen <rmlarsen@gmail.com>
21 lines
681 B
C++
21 lines
681 B
C++
// SPDX-FileCopyrightText: The Eigen Authors
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// SPDX-License-Identifier: MPL-2.0
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#include <iostream>
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#include <Eigen/Dense>
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int main() {
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Eigen::Vector3d v(1, 2, 3);
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Eigen::Vector3d w(0, 1, 2);
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std::cout << "Dot product: " << v.dot(w) << std::endl;
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double dp = v.adjoint() * w; // automatic conversion of the inner product to a scalar
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std::cout << "Dot product via a matrix product: " << dp << std::endl;
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std::cout << "Cross product:\n" << v.cross(w) << std::endl;
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Eigen::Vector2d v2(1, 2);
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Eigen::Vector2d w2(0, 1);
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double cp = v2.cross(w2); // returning a scalar between size-2 vectors
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std::cout << "Cross product for 2D vectors: " << cp << std::endl;
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}
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