rotgen/test/integration/extract.cpp
Joel Falcou 8e80d1d083 More specific fixes
See merge request oss/rotgen!47
2025-12-02 14:40:01 +01:00

115 lines
3 KiB
C++

//==================================================================================================
/*
ROTGEN - Runtime Overlay for Eigen
Copyright : CODE RECKONS
SPDX-License-Identifier: BSL-1.0
*/
//==================================================================================================
#include <rotgen/rotgen.hpp>
#include "unit/tests.hpp"
TTS_CASE_TPL("Chains of extraction", rotgen::tests::types)
<typename T, typename O>(tts::type<tts::types<T, O>>)
{
constexpr int N = 8;
auto a = rotgen::matrix<T, N, N, O::value>::Random();
auto b = topLeftCorner(a, 5, 5);
TTS_EQUAL(b.startRow(), 0);
TTS_EQUAL(b.startCol(), 0);
setConstant(b, -7);
for (rotgen::Index r = 0; r < 5; r++)
for (rotgen::Index c = 0; c < 5; c++) TTS_EQUAL(a(r, c), -7);
auto bb = bottomRightCorner(b, 3, 3);
TTS_EQUAL(bb.startRow(), 2);
TTS_EQUAL(bb.startCol(), 2);
setConstant(bb, 42);
for (rotgen::Index r = 2; r < 5; r++)
for (rotgen::Index c = 2; c < 5; c++) TTS_EQUAL(a(r, c), 42);
auto bbb = row(bb, 1);
TTS_EQUAL(bbb.startRow(), 1);
TTS_EQUAL(bbb.startCol(), 0);
setConstant(bbb, 99.5);
for (rotgen::Index c = 3; c < 5; c++) TTS_EQUAL(a(3, c), 99.5);
auto bbbb = col(bbb, 1);
TTS_EQUAL(bbbb.startRow(), 0);
TTS_EQUAL(bbbb.startCol(), 1);
setConstant(bbbb, 0.125);
TTS_EQUAL(a(3, 3), 0.125);
bool verbose = ::tts::arguments()[{"--verbose"}];
if (verbose) std::cout << a << "\n\n";
};
auto ref_extract(rotgen::ref<rotgen::matrix<float>> m)
{
return rotgen::extract(m, 0, 0, 3, 4);
}
auto ref_cextract(rotgen::ref<rotgen::matrix<float> const> m)
{
return rotgen::extract(m, 3, 4, 4, 3);
}
TTS_CASE("Extraction of ref/ref const")
{
auto m = rotgen::setRandom<rotgen::matrix<float, 7, 7>>();
auto extracted = ref_extract(m);
extracted = rotgen::setOnes<rotgen::matrix<float, 3, 4>>();
for (rotgen::Index r = 0; r < 3; r++)
for (rotgen::Index c = 0; c < 4; c++) TTS_EQUAL(m(r, c), 1.f);
rotgen::extract(m, 3, 4, 4, 3) =
rotgen::setConstant<rotgen::matrix<float, 4, 3>>(5);
auto sliced = ref_cextract(m);
for (rotgen::Index r = 0; r < 4; r++)
for (rotgen::Index c = 0; c < 3; c++) TTS_EQUAL(sliced(r, c), 5.f);
};
void process_col(rotgen::matrix<float, 3, 4>& m,
rotgen::matrix<float, 3, 1> const& n,
int c)
{
col(m, c) += n;
}
TTS_CASE("Compound operators on extractions")
{
rotgen::matrix<float, 3, 4> m;
rotgen::matrix<float, 3, 4> reference;
rotgen::matrix<float, 3, 1> n;
setZero(m);
setConstant(n, 10);
setConstant(reference, 10);
for (int i = 0; i < m.cols(); i++) process_col(m, n, i);
TTS_EQUAL(m, reference);
};
TTS_CASE("Compatibility of 1D blocks")
{
rotgen::matrix<float, 4, 2> V;
setConstant(V, 99);
rotgen::matrix<float, 3, 1> C{12, 34, 56};
extract<1, 2>(V, 0, 0) = segment<2>(C, 0);
extract<2, 1>(V, 1, 0) = segment<2>(C, 1);
TTS_EQUAL(V(0, 0), C(0));
TTS_EQUAL(V(0, 1), C(1));
TTS_EQUAL(V(1, 0), C(1));
TTS_EQUAL(V(2, 0), C(2));
};