curl.h

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#ifndef OAKFIELD_CURL_H
#define OAKFIELD_CURL_H
 
#include "oakfield/operator_split.h"
 
#include <stdbool.h>
#include <stddef.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct SimContext;
 
#define SIM_CURL_AXIS_AUTO ((size_t)SIZE_MAX)
 
typedef enum SimCurlStencil {
    SIM_CURL_STENCIL_CENTRAL_2 = 0, 
    SIM_CURL_STENCIL_CENTRAL_4,     
    SIM_CURL_STENCIL_FORWARD_1,     
    SIM_CURL_STENCIL_BACKWARD_1,    
    SIM_CURL_STENCIL_FORWARD_2,     
    SIM_CURL_STENCIL_BACKWARD_2     
} SimCurlStencil;
 
typedef struct SimCurlOperatorConfig {
    size_t input_field_x;         
    size_t input_field_y;         
    size_t output_field;          
    double spacing_x;             
    double spacing_y;             
    size_t axis_x;                
    size_t axis_y;                
    SimCurlStencil stencil;       
    SimIRBoundaryPolicy boundary; 
    bool accumulate;              
    bool scale_by_dt;             
} SimCurlOperatorConfig;
 
SimResult sim_add_curl_operator(struct SimContext *context, const SimCurlOperatorConfig *config,
                                size_t *out_index);
 
SimResult sim_curl_config(struct SimContext *context, size_t operator_index,
                          SimCurlOperatorConfig *out_config);
 
SimResult sim_curl_update(struct SimContext *context, size_t operator_index,
                          const SimCurlOperatorConfig *config);
 
#ifdef __cplusplus
}
#endif
 
#endif /* OAKFIELD_CURL_H */