// begin of file mandel_d1.d
/*
DMD: dmd -inline -release -O mandel_d1.d
GCD: gdc -O3 --fast-math -inline -lgphobos --expensive-optimizations mandel_d1.d
*/

import std.stdio;

int main()
{
 cdouble a, b, c, z;
 double mand_re = 0, mand_im = 0;

 for (double y = -2; y < 2; y += 0.01) {
  for (double x = -2; x < 2; x += 0.01) {
   z = (x + mand_re) + (y + mand_im) * 1i;
   c = z;
   for (int i = 0; i < 10000; i++) {
    z = z * z + c;
    if(z.re * z.re + z.im * z.im > 4.0) {
     break;
    }
   }
  }
 }
 return 0;
}
// end of file mandel_d1.d