diffeq.h

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#ifndef AA_DIFFEQ_H
#define AA_DIFFEQ_H
 
#include "mat.h"
 
typedef double aa_de_scalar_field_fun(void *cx, const struct aa_dvec *x);
 
typedef void aa_de_vector_field_fun(void *cx, const struct aa_dvec *x, struct aa_dvec *y);
 
 
AA_API void aa_de_grad_fd( aa_de_scalar_field_fun *fun, void *cx,
                           const struct aa_dvec *x, double eps, struct aa_dvec *y );
 
 
AA_API void aa_de_jac_fd( aa_de_vector_field_fun *fun, void *cx,
                          const struct aa_dvec *x, double eps, struct aa_dmat *J );
 
#endif //AA_DIFFEQ_H