source: sasview/sansmodels/src/igor_wrapper/test/test.c @ 83267f9

#include "../include/danse.h"
#include <stdio.h>

int main(){
        double output;
        double pars[11];        
        double q, phi;
        double theta_vals[17];
        double theta_w[17];
        double phi_vals[17];
        double phi_w[17];
        int i;
        
        pars[0] = 1.0;
        pars[1] = 20.0; // radius
        pars[2] = 400.0; // length
        pars[3] = 1.0;  // contrast
        pars[4] = 0.0;  // bck
        pars[5] = 1.57; //theta
        pars[6] = 0.0;  // phi
        pars[7] = 0.0;  // disp theta
        pars[8] = 0.0;  // disp phi
        pars[9] = 0.0;  // disp radius
        pars[10] = 0.0;
        
        theta_vals[0] = 0.01;
        theta_vals[1] = 0.1;
        theta_vals[2] = 0.2;
        theta_vals[3] = 0.3;
        theta_vals[4] = 0.4;
        theta_vals[5] = 0.5;
        theta_vals[6] = 0.6;
        theta_vals[7] = 0.7;
        theta_vals[8] = 0.8;
        theta_vals[9] = 0.9;
        theta_vals[10] = 1.0;
        theta_vals[11] = 1.1;
        theta_vals[12] = 1.2;
        theta_vals[13] = 1.3;
        theta_vals[14] = 1.4;
        theta_vals[15] = 1.5;
        theta_vals[16] = 1.6;
        
        for(i=0; i<17; i++) {
           theta_w[i] = 1.0;
        }
        
        q = 0.025;
        phi = 0.0;
        
        // Testing oriented cylinder
        output = oriented_cylinder_2D(pars, q, phi);
        printf("oriented output = %g\n", output);
        
        // Testing dispersed with no dispersion
        output = disperse_cylinder_analytical_2D(pars, q, phi);
        printf("disp output     = %g\n", output);

        // Testing dispersed with dispersion
        pars[10] = 100.0;
        pars[7]  = 3.0;
        output = disperse_cylinder_analytical_2D(pars, q, phi);
        printf("disp output     = %g\n", output);

        // Testing input dist
        pars[10] = 0.0;
        pars[7]  = 0.0;
        pars[1]  = 20.0;
        output = cylinder_Weights(pars, phi_vals, phi_w, 0, 
                                                                theta_vals, theta_w, 17, 
                                                                q, phi); 
        printf("weight output     = %g\n", output);

}