eigen/test/commainitializer.cpp

108 lines
3.1 KiB
C++

// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr>
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include "main.h"
template <int M1, int M2, int N1, int N2>
void test_blocks() {
Matrix<int, M1 + M2, N1 + N2> m_fixed;
MatrixXi m_dynamic(M1 + M2, N1 + N2);
Matrix<int, M1, N1> mat11;
mat11.setRandom();
Matrix<int, M1, N2> mat12;
mat12.setRandom();
Matrix<int, M2, N1> mat21;
mat21.setRandom();
Matrix<int, M2, N2> mat22;
mat22.setRandom();
MatrixXi matx11 = mat11, matx12 = mat12, matx21 = mat21, matx22 = mat22;
{
VERIFY_IS_EQUAL((m_fixed << mat11, mat12, mat21, matx22).finished(),
(m_dynamic << mat11, matx12, mat21, matx22).finished());
VERIFY_IS_EQUAL((m_fixed.template topLeftCorner<M1, N1>()), mat11);
VERIFY_IS_EQUAL((m_fixed.template topRightCorner<M1, N2>()), mat12);
VERIFY_IS_EQUAL((m_fixed.template bottomLeftCorner<M2, N1>()), mat21);
VERIFY_IS_EQUAL((m_fixed.template bottomRightCorner<M2, N2>()), mat22);
VERIFY_IS_EQUAL((m_fixed << mat12, mat11, matx21, mat22).finished(),
(m_dynamic << mat12, matx11, matx21, mat22).finished());
}
if (N1 > 0) {
if (M1 > 0) {
VERIFY_RAISES_ASSERT((m_fixed << mat11, mat12, mat11, mat21, mat22));
}
if (M2 > 0) {
VERIFY_RAISES_ASSERT((m_fixed << mat11, mat12, mat21, mat21, mat22));
}
} else {
// allow insertion of zero-column blocks:
VERIFY_IS_EQUAL((m_fixed << mat11, mat12, mat11, mat11, mat21, mat21, mat22).finished(),
(m_dynamic << mat12, mat22).finished());
}
if (M1 != M2) {
VERIFY_RAISES_ASSERT((m_fixed << mat11, mat21, mat12, mat22));
}
}
template <int depth, int N = 0>
struct test_block_recursion {
static void run() {
test_block_recursion<depth - 1, N>::run();
test_block_recursion<depth - 1, N + (1 << (depth - 1))>::run();
}
};
template <int N>
struct test_block_recursion<0, N> {
static void run() { test_blocks<(N >> 6) & 3, (N >> 4) & 3, (N >> 2) & 3, N & 3>(); }
};
void test_basics() {
Matrix3d m3;
Matrix4d m4;
VERIFY_RAISES_ASSERT((m3 << 1, 2, 3, 4, 5, 6, 7, 8));
#ifndef _MSC_VER
VERIFY_RAISES_ASSERT((m3 << 1, 2, 3, 4, 5, 6, 7, 8, 9, 10));
#endif
double data[] = {1, 2, 3, 4, 5, 6, 7, 8, 9};
Matrix3d ref = Map<Matrix<double, 3, 3, RowMajor> >(data);
m3 = Matrix3d::Random();
m3 << 1, 2, 3, 4, 5, 6, 7, 8, 9;
VERIFY_IS_APPROX(m3, ref);
Vector3d vec[3];
vec[0] << 1, 4, 7;
vec[1] << 2, 5, 8;
vec[2] << 3, 6, 9;
m3 = Matrix3d::Random();
m3 << vec[0], vec[1], vec[2];
VERIFY_IS_APPROX(m3, ref);
vec[0] << 1, 2, 3;
vec[1] << 4, 5, 6;
vec[2] << 7, 8, 9;
m3 = Matrix3d::Random();
m3 << vec[0].transpose(), 4, 5, 6, vec[2].transpose();
VERIFY_IS_APPROX(m3, ref);
}
EIGEN_DECLARE_TEST(commainitializer) {
CALL_SUBTEST_1(test_basics());
// recursively test all block-sizes from 0 to 3:
CALL_SUBTEST_2(test_block_recursion<8>::run());
}