Files
mfem/tests/unit/linalg/test_complex_vector.cpp
T

146 lines
4.9 KiB
C++

// Copyright (c) 2010-2025, Lawrence Livermore National Security, LLC. Produced
// at the Lawrence Livermore National Laboratory. All Rights reserved. See files
// LICENSE and NOTICE for details. LLNL-CODE-806117.
//
// This file is part of the MFEM library. For more information and source code
// availability visit https://mfem.org.
//
// MFEM is free software; you can redistribute it and/or modify it under the
// terms of the BSD-3 license. We welcome feedback and contributions, see file
// CONTRIBUTING.md for details.
#include "mfem.hpp"
#include "unit_tests.hpp"
#include <numeric>
using namespace mfem;
TEST_CASE("Complex Vector init-list and C-style array constructors",
"[ComplexVector]")
{
std::complex<real_t> ContigData[6] = {std::complex<real_t>(6.0,1.0),
std::complex<real_t>(5.0,2.0),
std::complex<real_t>(4.0,3.0),
std::complex<real_t>(3.0,4.0),
std::complex<real_t>(2.0,5.0),
std::complex<real_t>(1.0,6.0)
};
// Point and size constructor
ComplexVector a(ContigData, 6);
// Braced-list constructor
ComplexVector b({std::complex<real_t>(6.0,1.0),
std::complex<real_t>(5.0,2.0),
std::complex<real_t>(4.0,3.0),
std::complex<real_t>(3.0,4.0),
std::complex<real_t>(2.0,5.0),
std::complex<real_t>(1.0,6.0)});
// Statically sized C-style array constructor
ComplexVector c(ContigData);
for (int i = 0; i < a.Size(); i++)
{
REQUIRE(a[i] == b[i]);
REQUIRE(a[i] == c[i]);
}
}
TEST_CASE("Complex Vector Move Constructor", "[ComplexVector]")
{
constexpr int N = 6;
std::complex<real_t> ContigData[6] = {std::complex<real_t>(6.0,1.0),
std::complex<real_t>(5.0,2.0),
std::complex<real_t>(4.0,3.0),
std::complex<real_t>(3.0,4.0),
std::complex<real_t>(2.0,5.0),
std::complex<real_t>(1.0,6.0)
};
ComplexVector a(ContigData, N);
ComplexVector b(N);
for (int i = 0; i < N; i++)
{
b(i) = std::complex<real_t>(N - i, i + 1);
}
std::complex<real_t>* a_data = a.GetData();
std::complex<real_t>* b_data = b.GetData();
ComplexVector move_non_owning(std::move(a));
ComplexVector move_owning(std::move(b));
REQUIRE(a.Size() == 0);
REQUIRE(a.GetData() == nullptr);
REQUIRE(b.Size() == 0);
REQUIRE(b.GetData() == nullptr);
// Should both be no-ops
a.Destroy();
b.Destroy();
REQUIRE(move_non_owning.OwnsData() == false);
REQUIRE(move_owning.OwnsData() == true);
REQUIRE(move_non_owning.Size() == N);
REQUIRE(move_owning.Size() == N);
// Make sure that the pointers were reused
REQUIRE(move_non_owning.GetData() == a_data);
REQUIRE(move_owning.GetData() == b_data);
for (int i = 0; i < N; i++)
{
REQUIRE(move_non_owning(i) == std::complex<real_t>(N - i, i + 1));
REQUIRE(move_owning(i) == std::complex<real_t>(N - i, i + 1));
}
}
TEST_CASE("Complex Vector Move Assignment", "[ComplexVector]")
{
constexpr int N = 6;
std::complex<real_t> ContigData[6] = {std::complex<real_t>(6.0,1.0),
std::complex<real_t>(5.0,2.0),
std::complex<real_t>(4.0,3.0),
std::complex<real_t>(3.0,4.0),
std::complex<real_t>(2.0,5.0),
std::complex<real_t>(1.0,6.0)
};
ComplexVector a(ContigData, N);
ComplexVector b(N);
for (int i = 0; i < N; i++)
{
b(i) = std::complex<real_t>(N - i, i + 1);
}
std::complex<real_t>* a_data = a.GetData();
std::complex<real_t>* b_data = b.GetData();
ComplexVector move_non_owning;
move_non_owning = std::move(a);
ComplexVector move_owning;
move_owning = std::move(b);
REQUIRE(a.Size() == 0);
REQUIRE(a.GetData() == nullptr);
REQUIRE(b.Size() == 0);
REQUIRE(b.GetData() == nullptr);
// Should both be no-ops
a.Destroy();
b.Destroy();
REQUIRE(move_non_owning.OwnsData() == false);
REQUIRE(move_owning.OwnsData() == true);
REQUIRE(move_non_owning.Size() == N);
REQUIRE(move_owning.Size() == N);
// Make sure that the pointers were reused
REQUIRE(move_non_owning.GetData() == a_data);
REQUIRE(move_owning.GetData() == b_data);
for (int i = 0; i < N; i++)
{
REQUIRE(move_non_owning(i) == std::complex<real_t>(N - i, i + 1));
REQUIRE(move_owning(i) == std::complex<real_t>(N - i, i + 1));
}
}