varying lowp float xx;
void main ()
{
  lowp float c_1;
  if ((xx < 0.0)) {
    discard;
  };
  c_1 = (xx + xx);
  c_1 = (c_1 + xx);
  c_1 = (c_1 + xx);
  lowp vec4 tmpvar_2;
  tmpvar_2 = vec4(c_1);
  gl_FragColor = tmpvar_2;
}