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#include <array>
#include <bitset>
#include <iostream>
#include <booluarray.hpp>
#include <cstddef>
#include <iostream>
#include <iomanip>
#include <fstream>
#include <vector>
#include "bernstein.hpp"
#include "multiloop.hpp"
#include "quadrature_multipoly.hpp"
#include "binomial.hpp"
#include "real.hpp"
#include "sparkstack.hpp"
#include "uvector.hpp"
#include "vector"
#include "xarray.hpp"
#include <chrono>
#include <cmath>
#include <memory>
#include "organizer/primitive.hpp"
namespace algoim::Organizer
{
bool keepQuadraturePoint(std::vector<tensor3>& originTensors, const uvector3& originPt)
{
// TODO: using blobtree to filter tensors
for (auto& t : originTensors) {
if (evalPower(t, originPt) >= 0) { return false; }
}
return true;
}
// std::vector<std::shared_ptr<PrimitiveDesc>> primitives;
// BasicTask(std::vector<std::shared_ptr<PrimitiveDesc>> ps) {};
void basicTask(const std::shared_ptr<PrimitiveDesc>& p, int q = 20, real xmin = -1, real xmax = 1)
{
real volume = 0;
auto integrand = [](const uvector<real, 3>& x) { return 1.0; };
uvector3 range = xmax - xmin;
if (auto pt = std::dynamic_pointer_cast<SphereDesc>(p)) {
tensor3 tensor(nullptr, 3);
algoim_spark_alloc(real, tensor);
makeSphere(*pt, tensor);
detail::powerTransformation(range, xmin, tensor);
tensor3 phi(nullptr, 3);
algoim_spark_alloc(real, phi);
detail::power2BernsteinTensor(tensor, phi);
uvector<real, 3> testX(0., 0., 0.25);
real testEvalBernstein = bernstein::evalBernsteinPoly(phi, testX);
// auto vec1 = xarray2StdVector(phi);
std::cout << "eval bernstein without interpolation:" << testEvalBernstein << std::endl;
ImplicitPolyQuadrature<3> ipquad(phi);
ipquad.integrate(AutoMixed, q, [&](const uvector<real, 3>& x, real w) {
if (isInsideBernstein(phi, x)) volume += w * integrand(xmin + x * (xmax - xmin));
});
} else if (auto pt = std::dynamic_pointer_cast<MeshDesc>(p)) {
const int faceCount = pt->indexInclusiveScan.size();
assert(faceCount > 1);
std::vector<tensor3> planeTensors(faceCount, tensor3(nullptr, 2));
algoim_spark_alloc(real, planeTensors);
tensor3 compositeTensor(nullptr, 1 + faceCount);
algoim_spark_alloc(real, compositeTensor);
makeMesh(*pt, compositeTensor, planeTensors);
detail::powerTransformation(range, xmin, compositeTensor);
auto planeStdVector1 = xarray2StdVector(planeTensors[0]);
auto planeStdVector2 = xarray2StdVector(planeTensors[1]);
auto compositeTensorStdVector = xarray2StdVector(compositeTensor);
uvector<real, 3> testX(0., 0.75, 0.2);
real textEvalPower = evalPower(compositeTensor, testX);
tensor3 phi(nullptr, 1 + faceCount);
algoim_spark_alloc(real, phi);
detail::power2BernsteinTensor(compositeTensor, phi);
int quadraturePointCount = 0;
ImplicitPolyQuadrature<3> ipquad(phi);
real testEvalBernstein = bernstein::evalBernsteinPoly(phi, testX);
ipquad.integrate(AutoMixed, q, [&](const uvector<real, 3>& x, real w) {
quadraturePointCount++;
auto realX = x * range + xmin;
if (isInsidePowers(planeTensors, realX)) volume += w * integrand(realX);
});
std::cout << "textEvalPower: " << textEvalPower << std::endl;
std::cout << "quadraturePointCount: " << quadraturePointCount << std::endl;
}
volume *= pow(xmax - xmin, 3);
std::cout << "Volume xxx: " << volume << std::endl;
};
void basicTask(const std::vector<std::shared_ptr<PrimitiveDesc>>& primitives, int q = 20, real xmin = -1, real xmax = 1)
{
std::vector<SparkStack<real>*> phiStacks;
std::vector<tensor3> phis;
std::vector<SparkStack<real>*> originTensorStacks;
std::vector<tensor3> originTensors;
real volume;
auto integrand = [](const uvector<real, 3>& x) { return 1.0; };
uvector3 range = xmax - xmin;
uvector<real, 3> testX(0., 0.75, 0.2);
for (int i = 0; i < primitives.size(); i++) {
if (auto pt = std::dynamic_pointer_cast<SphereDesc>(primitives[i])) {
tensor3 originTensor(nullptr, 3), transformedTensor(nullptr, 3);
originTensorStacks.emplace_back(algoim_spark_alloc_heap(real, originTensor)); // 记录,用以最后bool
tensor3 phi(nullptr, 3);
phiStacks.emplace_back(
algoim_spark_alloc_heap(real, phi)); // 必须先于algoim_spark_alloc,使transformedTensor的内存以栈形式释放
algoim_spark_alloc(real, transformedTensor);
makeSphere(*pt, originTensor);
originTensors.emplace_back(originTensor);
detail::powerTransformation(range, xmin, originTensor, transformedTensor);
detail::power2BernsteinTensor(transformedTensor, phi);
phis.emplace_back(phi);
} else if (auto pt = std::dynamic_pointer_cast<MeshDesc>(primitives[i])) {
const int faceCount = pt->indexInclusiveScan.size();
assert(faceCount > 1);
std::vector<tensor3> planeTensors(faceCount, tensor3(nullptr, 2));
algoimSparkAllocHeapVector(originTensorStacks, planeTensors);
tensor3 phi(nullptr, 1 + faceCount);
phiStacks.emplace_back(
algoim_spark_alloc_heap(real, phi)); // 必须先于algoim_spark_alloc,使compositeTensor的内存以栈形式释放
tensor3 compositeTensor(nullptr, 1 + faceCount);
algoim_spark_alloc(real, compositeTensor);
makeMesh(*pt, compositeTensor, planeTensors);
detail::powerTransformation(range, xmin, compositeTensor);
real testEvalPower = evalPower(compositeTensor, testX);
originTensors.insert(originTensors.end(), planeTensors.begin(), planeTensors.end());
detail::power2BernsteinTensor(compositeTensor, phi);
real testEvalBernstein = bernstein::evalBernsteinPoly(phi, testX);
phis.emplace_back(phi);
}
}
real testEvalBernstein = bernstein::evalBernsteinPoly(phis[0], testX);
ImplicitPolyQuadrature<3> ipquad(phis);
ipquad.integrate(AutoMixed, q, [&](const uvector<real, 3>& x, real w) {
auto realX = x * range + xmin;
if (keepQuadraturePoint(originTensors, realX)) volume += w * integrand(realX);
});
volume *= pow(xmax - xmin, 3);
std::cout << "Volume xxx: " << volume << std::endl;
// free memory, thus deallocate memory of xarray
for (auto& p : phiStacks) delete p;
for (auto& p : originTensorStacks) delete p;
};
void quadratureTask(const Scene& scene) {}
void buildOctree(const Scene& scene, std::vector<Node>& nodes, const uvector3& min, const uvector3& max) {}
void build(const Scene& scene, std::vector<Node>& nodes, int nowNodeIdx, const uvector3& nowNodeMin, const uvector3& nowNodeMax)
{
const std::vector<int>& polyIntersectIndices = nodes[nowNodeIdx].polyIntersectIndices;
if (polyIntersectIndices.size() == 1) {
// TODO 相交很少时
}
buildOctree(scene, nodes, nowNodeMin, nowNodeMax);
nodes.resize(nodes.size() + 8);
for (int i = 0; i < polyIntersectIndices.size(); ++i) {
for (int faceAxis = 0; faceAxis < 3; ++faceAxis) { restrictToFace }
}
}
}; // namespace algoim::Organizer