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72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
// This file is part of Eigen, a lightweight C++ template library
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// for linear algebra.
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//
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// Copyright (C) 2006-2008 Benoit Jacob <jacob.benoit.1@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla
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// Public License v. 2.0. If a copy of the MPL was not distributed
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// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#define EIGEN_NO_STATIC_ASSERT
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#include "product.h"
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#include <Eigen/LU>
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// regression test for bug 447
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void product1x1()
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{
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Matrix<float,1,3> matAstatic;
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Matrix<float,3,1> matBstatic;
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matAstatic.setRandom();
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matBstatic.setRandom();
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VERIFY_IS_APPROX( (matAstatic * matBstatic).coeff(0,0),
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matAstatic.cwiseProduct(matBstatic.transpose()).sum() );
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MatrixXf matAdynamic(1,3);
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MatrixXf matBdynamic(3,1);
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matAdynamic.setRandom();
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matBdynamic.setRandom();
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VERIFY_IS_APPROX( (matAdynamic * matBdynamic).coeff(0,0),
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matAdynamic.cwiseProduct(matBdynamic.transpose()).sum() );
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}
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void test_product_small()
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{
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for(int i = 0; i < g_repeat; i++) {
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CALL_SUBTEST_1( product(Matrix<float, 3, 2>()) );
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CALL_SUBTEST_2( product(Matrix<int, 3, 5>()) );
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CALL_SUBTEST_3( product(Matrix3d()) );
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CALL_SUBTEST_4( product(Matrix4d()) );
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CALL_SUBTEST_5( product(Matrix4f()) );
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CALL_SUBTEST_6( product1x1() );
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}
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#ifdef EIGEN_TEST_PART_6
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{
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// test compilation of (outer_product) * vector
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Vector3f v = Vector3f::Random();
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VERIFY_IS_APPROX( (v * v.transpose()) * v, (v * v.transpose()).eval() * v);
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}
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{
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// regression test for pull-request #93
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Eigen::Matrix<double, 1, 1> A; A.setRandom();
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Eigen::Matrix<double, 18, 1> B; B.setRandom();
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Eigen::Matrix<double, 1, 18> C; C.setRandom();
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VERIFY_IS_APPROX(B * A.inverse(), B * A.inverse()[0]);
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VERIFY_IS_APPROX(A.inverse() * C, A.inverse()[0] * C);
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}
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{
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Eigen::Matrix<double, 100, 100> A, B, C;
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A.setRandom();
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C = A;
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for(int k=0; k<79; ++k)
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C = C * A;
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B.noalias() = (((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A)) * ((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A)))
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* (((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A)) * ((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A)));
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VERIFY_IS_APPROX(B,C);
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}
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#endif
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}
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