include/pops/runtime/context/wall_predicate.hpp Source File

adc_cpp 0.3.0 Model-free C++23 core for coupled hyperbolic-elliptic systems on adaptive (AMR) meshes, with MPI and GPU (Kokkos) backends

• include
• pops
• runtime
• context

wall_predicate.hpp

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1#pragma once

2

3#include <pops/core/foundation/types.hpp> // Real

4#include <pops/numerics/spatial/embedded_boundary/domain.hpp> // detail::DiscDomain (the level-set domain it lives in since ADC-327)

5

6#include <cmath> // std::hypot

7#include <functional> // std::function

8#include <stdexcept> // std::runtime_error

9#include <string>

10

20

21namespace pops {

22namespace detail {

23

30inline std::function<bool(Real, Real)> wall_predicate(const std::string& wall, double wall_radius,

31 double L, const std::string& err_context) {

32 if (wall == "none")

33 return {};

34 if (wall == "circle") {

35 const double cx = 0.5 * L, cy = 0.5 * L, R = wall_radius;

36 return [cx, cy, R](Real x, Real y) { return std::hypot(x - cx, y - cy) < R; };

37 }

38 throw std::runtime_error(err_context + ": unknown wall '" + wall + "'");

39}

40

41} // namespace detail

42} // namespace pops

domain.hpp

Generic EMBEDDED-BOUNDARY / LEVEL-SET DOMAIN contract (ADC-327).

pops::detail::wall_predicate

std::function< bool(Real, Real)> wall_predicate(const std::string &wall, double wall_radius, double L, const std::string &err_context)

Builds the "inside the conductor" predicate (embedded wall for the Poisson solver) from the wall mode...

Definition wall_predicate.hpp:30

pops

Definition amr_hierarchy.hpp:29

pops::Real

double Real

Definition types.hpp:30

types.hpp

Base scalar types and the POPS_HD macro (host+device portability).

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