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Allocate.cpp
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Fri, Oct 4, 17:10
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rGOOSEFEM GooseFEM
Allocate.cpp
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#include <catch2/catch.hpp>
#include <xtensor/xrandom.hpp>
#include <xtensor/xmath.hpp>
#include <GooseFEM/GooseFEM.h>
#define ISCLOSE(a,b) REQUIRE_THAT((a), Catch::WithinAbs((b), 1.e-12));
TEST_CASE("GooseFEM::Allocate", "Allocate.h")
{
SECTION("asTensor - pre-allocated output")
{
xt::xtensor<int, 2> a0 = {
{1, 2},
{3, 4}};
xt::xtensor<int, 3> a1 = {
{{1, 1, 1}, {2, 2, 2}},
{{3, 3, 3}, {4, 4, 4}}};
xt::xtensor<int, 4> a2 = {
{{{1, 1}, {1, 1}, {1, 1}}, {{2, 2}, {2, 2}, {2, 2}}},
{{{3, 3}, {3, 3}, {3, 3}}, {{4, 4}, {4, 4}, {4, 4}}}};
xt::xtensor<int, 3> b1 = xt::empty<int>({2, 2, 3});
xt::xtensor<int, 4> b2 = xt::empty<int>({2, 2, 3, 2});
GooseFEM::asTensor(a0, b1);
GooseFEM::asTensor(a0, b2);
REQUIRE(xt::all(xt::equal(a1, b1)));
REQUIRE(xt::all(xt::equal(a2, b2)));
}
SECTION("asTensor - return")
{
xt::xtensor<int, 2> a0 = {
{1, 2},
{3, 4}};
xt::xtensor<int, 3> a1 = {
{{1, 1, 1}, {2, 2, 2}},
{{3, 3, 3}, {4, 4, 4}}};
xt::xtensor<int, 4> a2 = {
{{{1, 1}, {1, 1}, {1, 1}}, {{2, 2}, {2, 2}, {2, 2}}},
{{{3, 3}, {3, 3}, {3, 3}}, {{4, 4}, {4, 4}, {4, 4}}}};
auto b1 = GooseFEM::AsTensor<1>(a0, 3);
auto c1 = GooseFEM::AsTensor(1, a0, 3);
auto b2 = GooseFEM::AsTensor(a0, {3, 2});
static_assert(std::is_same<decltype(b1), decltype(a1)>::value, "X");
static_assert(std::is_same<decltype(b2), decltype(a2)>::value, "X");
static_assert(std::is_same<decltype(c1), xt::xarray<int>>::value, "X");
REQUIRE(xt::all(xt::equal(a1, b1)));
REQUIRE(xt::all(xt::equal(a1, c1)));
REQUIRE(xt::all(xt::equal(a2, b2)));
}
SECTION("as3d")
{
xt::xtensor<int, 2> a1 = {
{1},
{3}};
xt::xtensor<int, 2> b1 = {
{1, 0, 0},
{3, 0, 0}};
xt::xtensor<int, 2> a2 = {
{1, 2},
{3, 4}};
xt::xtensor<int, 2> b2 = {
{1, 2, 0},
{3, 4, 0}};
xt::xtensor<int, 2> a3 = {
{1, 2, 5},
{3, 4, 6}};
xt::xtensor<int, 2> b3 = {
{1, 2, 5},
{3, 4, 6}};
REQUIRE(xt::all(xt::equal(GooseFEM::as3d(a1), b1)));
REQUIRE(xt::all(xt::equal(GooseFEM::as3d(a2), b2)));
REQUIRE(xt::all(xt::equal(GooseFEM::as3d(a3), b3)));
}
}
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