/* ---------------------------------- */
/* save as c18b.c                     */
/* ---------------------------------- */
#include "x_hfile.h"
#include       "fb.h"
/* ---------------------------------- */
int main(void)
{
double az =  0;
double bz =  3.;
int    nz = 2*50;

int    nx = 2*50;

double m =   0;

 clrscrn();

 m = surface_dxdz(  g,h,
                            u,v,
                            nx,   
                            az,bz,nz,
                            H);
                            
 printf(" Evaluate this surface integrals equation.\n\n");
 printf("     //                  \n");
 printf("    ||                   \n");
 printf("    || g(x,h(x,z),z)* sqrt[ h_x(x,z)^2 + h_y(x,z)^2 + 1 ] dA = %.3f\n",m);
 printf("    ||                   \n");
 printf("   //                    \n");
 printf("   Rxz               \n\n\n");
 printf(" With.\n\n\n");
 printf(" g : (x,y,z)-> %s\n\n", geq);
 printf(" f :   (x,z)-> %s\n\n", feq);
 printf(" u :     (z)-> %s  \n", ueq);
 printf(" v :     (z)-> %s\n\n", veq);
 printf(" a = %+.1f   b = %+.1f \n",az,bz);
 stop();

 return 0;
}
/* ---------------------------------- */
/* ---------------------------------- */