text: #ifndef _LOBATTO_H_
  #define _LOBATTO_H_ 1
  
  #ifdef __cplusplus
  #  define BEGIN_C_DECLS         extern "C" {
  #  define END_C_DECLS           }
  #else
  #  define BEGIN_C_DECLS
  #  define END_C_DECLS
  #endif
  
  #include "types.h"
  #include "version.h"
  
  #include "fmfield.h"
  
  extern const int32 max_order;
  
  typedef float64 (*fun)(float64 x);
  
  extern fun lobatto[];
  extern fun d_lobatto[];
  extern fun kernel[];
  extern fun d_kernel[];
  extern fun legendre[];
  extern fun d_legendre[];
  
  int32 eval_lobatto1d(FMField *out, FMField *coors, int32 order);
  
  int32 eval_lobatto_tensor_product(FMField *out, FMField *coors,
                                    int32 *nodes,
                                    float64 cmin, float64 cmax,
                                    int32 diff);
  
  #endif /* !LOBATTO_H */
  