43 double _Complex gaussian(
double x, 
int der, 
const double *param);              
 
   44 double _Complex multiquadric(
double x, 
int der, 
const double *param);          
 
   45 double _Complex inverse_multiquadric(
double x, 
int der, 
const double *param);  
 
   46 double _Complex logarithm(
double x, 
int der, 
const double *param);             
 
   47 double _Complex thinplate_spline(
double x, 
int der, 
const double *param);      
 
   48 double _Complex one_over_square(
double x, 
int der, 
const double *param);       
 
   49 double _Complex one_over_modulus(
double x, 
int der, 
const double *param);      
 
   50 double _Complex one_over_x(
double x, 
int der, 
const double *param);            
 
   51 double _Complex inverse_multiquadric3(
double x, 
int der, 
const double *param); 
 
   52 double _Complex sinc_kernel(
double x, 
int der, 
const double *param);           
 
   53 double _Complex cosc(
double x, 
int der, 
const double *param);                  
 
   54 double _Complex kcot(
double x, 
int der, 
const double *param);                   
 
   55 double _Complex one_over_cube(
double x, 
int der, 
const double *param);