/* ef_c.c  elementary functions in C */
#include <stdio.h>
#include <math.h>

int main(int argc, char *argv[])
{
  double x, y, z; /* any other input numeric type converted to double */
                  /* any other numeric LHS converted from double */

  printf("elementary functions in C from math.h \n");

  y = pow(x, z);
  y = sqrt(x);
  y = log(x);
  y = exp(x);
  y = sin(x);
  y = cos(x);
  y = tan(x);
  /* y = cot(x); not available  1.0/tan(x) */
  /* y = csc(x); not available  1.0/sin(x) */
  /* y = sec(x); not available  1.0/cos(x) */
  y = asin(x);
  y = acos(x);
  y = atan(x);
  y = atan2(x, z);
  y = sinh(x);
  y = cosh(x);
  y = tanh(x);
  y = asinh(x);
  y = acosh(x);
  y = atanh(x);  

  printf("end ef_c.c, no output expected. \n");
  return 0;
}