yc_solution_api.hpp

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/*****************************************************************************
 
YASK: Yet Another Stencil Kit
Copyright (c) 2014-2023, Intel Corporation
 
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* The above copyright notice and this permission notice shall be included in
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// This file contains a base class and macros to create
// stencils to be included in the YASK compiler binary utility.
 
// This file uses Doxygen markup for API documentation-generation.
// See https://www.doxygen.nl/manual/index.html.
#pragma once
 
// Standard headers.
#include <cassert>
#include <map>
 
namespace yask {
 
 
    class yc_solution_base {
 
    public:
 
        typedef std::map<std::string, yc_solution_base*> soln_map;
        
    private:
 
        yc_solution_ptr _soln;
 
        yc_factory _yc_factory;
 
        yc_node_factory _node_factory;
 
    public:
 
 
        yc_solution_base(const std::string& name);
 
 
        yc_solution_base(yc_solution_base& base);
 
        virtual ~yc_solution_base() { }
 
 
        static soln_map& get_registry();
 
 
        virtual void
        define();
 
        inline yc_solution_ptr
        get_soln() {
            return _soln;
        }
 
        inline yc_index_node_ptr
        new_step_index(const std::string& name) {
            return _node_factory.new_step_index(name);
        }
 
        inline yc_index_node_ptr
        new_domain_index(const std::string& name) {
            return _node_factory.new_domain_index(name);
        }
 
        inline yc_index_node_ptr
        new_misc_index(const std::string& name) {
            return _node_factory.new_misc_index(name);
        }
 
        inline yc_number_node_ptr
        new_number_node(yc_number_any_arg arg) {
            return _node_factory.new_number_node(arg);
        }
 
        inline yc_number_node_ptr
        first_domain_index(yc_index_node_ptr dim) {
            return _node_factory.new_first_domain_index(dim);
        }
 
        inline yc_number_node_ptr
        last_domain_index(yc_index_node_ptr dim) {
            return _node_factory.new_last_domain_index(dim);
        }
    };
 
 
    class yc_solution_with_radius_base : public yc_solution_base {
    private:
 
        int _radius;
 
    public:
        yc_solution_with_radius_base(const std::string& name, int radius) :
            yc_solution_base(name) {
            set_radius(radius);
        }
 
 
        virtual void
        define() override;
 
 
        virtual bool
        set_radius(int radius) {
            _radius = radius;
            auto soln = get_soln();
            soln->set_description(soln->get_name() + " radius " + std::to_string(radius));
            return radius >= 0;  // support only non-neg. radius.
        }
 
 
        virtual int
        get_radius() const {
            return _radius;
        }
    };
 
    /*** Example: `MAKE_STEP_INDEX(t)` */
    #define MAKE_STEP_INDEX(dim_name)   yc_index_node_ptr dim_name = new_step_index(#dim_name)
    
    /*** Example: `MAKE_DOMAIN_INDEX(x)` */
    #define MAKE_DOMAIN_INDEX(dim_name) yc_index_node_ptr dim_name = new_domain_index(#dim_name)
 
    /*** Example: `MAKE_MISC_INDEX(a)` */
    #define MAKE_MISC_INDEX(dim_name)   yc_index_node_ptr dim_name = new_misc_index(#dim_name)
 
    /*** Example: `MAKE_VAR(pressure, t, x, y, z)` */
    #define MAKE_VAR(var_name, ...)                                     \
        yc_var_proxy var_name = yc_var_proxy(#var_name, get_soln(), { __VA_ARGS__ }, false)
    
    #define MAKE_SCRATCH_VAR(var_name, ...)                             \
        yc_var_proxy var_name = yc_var_proxy(#var_name, get_soln(), { __VA_ARGS__ }, true)
    
    #define MAKE_SCALAR_VAR(var_name) MAKE_VAR(var_name)
 
    // and registering it in the list used by the YASK compiler binary.
    #define REGISTER_SOLUTION(class_name)               \
        static class_name class_name ## _instance
    
} // namespace yask.