aosp12/external/eigen/test/smallvectors.cpp

68 lines
2.1 KiB
C++

// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2006-2008 Benoit Jacob <jacob.benoit.1@gmail.com>
//
// 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/.
#define EIGEN_NO_STATIC_ASSERT
#include "main.h"
template<typename Scalar> void smallVectors()
{
typedef Matrix<Scalar, 1, 2> V2;
typedef Matrix<Scalar, 3, 1> V3;
typedef Matrix<Scalar, 1, 4> V4;
typedef Matrix<Scalar, Dynamic, 1> VX;
Scalar x1 = internal::random<Scalar>(),
x2 = internal::random<Scalar>(),
x3 = internal::random<Scalar>(),
x4 = internal::random<Scalar>();
V2 v2(x1, x2);
V3 v3(x1, x2, x3);
V4 v4(x1, x2, x3, x4);
VERIFY_IS_APPROX(x1, v2.x());
VERIFY_IS_APPROX(x1, v3.x());
VERIFY_IS_APPROX(x1, v4.x());
VERIFY_IS_APPROX(x2, v2.y());
VERIFY_IS_APPROX(x2, v3.y());
VERIFY_IS_APPROX(x2, v4.y());
VERIFY_IS_APPROX(x3, v3.z());
VERIFY_IS_APPROX(x3, v4.z());
VERIFY_IS_APPROX(x4, v4.w());
if (!NumTraits<Scalar>::IsInteger)
{
VERIFY_RAISES_ASSERT(V3(2, 1))
VERIFY_RAISES_ASSERT(V3(3, 2))
VERIFY_RAISES_ASSERT(V3(Scalar(3), 1))
VERIFY_RAISES_ASSERT(V3(3, Scalar(1)))
VERIFY_RAISES_ASSERT(V3(Scalar(3), Scalar(1)))
VERIFY_RAISES_ASSERT(V3(Scalar(123), Scalar(123)))
VERIFY_RAISES_ASSERT(V4(1, 3))
VERIFY_RAISES_ASSERT(V4(2, 4))
VERIFY_RAISES_ASSERT(V4(1, Scalar(4)))
VERIFY_RAISES_ASSERT(V4(Scalar(1), 4))
VERIFY_RAISES_ASSERT(V4(Scalar(1), Scalar(4)))
VERIFY_RAISES_ASSERT(V4(Scalar(123), Scalar(123)))
VERIFY_RAISES_ASSERT(VX(3, 2))
VERIFY_RAISES_ASSERT(VX(Scalar(3), 1))
VERIFY_RAISES_ASSERT(VX(3, Scalar(1)))
VERIFY_RAISES_ASSERT(VX(Scalar(3), Scalar(1)))
VERIFY_RAISES_ASSERT(VX(Scalar(123), Scalar(123)))
}
}
void test_smallvectors()
{
for(int i = 0; i < g_repeat; i++) {
CALL_SUBTEST(smallVectors<int>() );
CALL_SUBTEST(smallVectors<float>() );
CALL_SUBTEST(smallVectors<double>() );
}
}