static float4 x_GLF_color = float4(0.0f, 0.0f, 0.0f, 0.0f);

void main_1() {
  float f = 0.0f;
  f = atan2(1.0f, tanh(1.0f));
  bool tint_tmp = (f > 0.910000026f);
  if (tint_tmp) {
    tint_tmp = (f < 0.930000007f);
  }
  if ((tint_tmp)) {
    x_GLF_color = float4(1.0f, 0.0f, 0.0f, 1.0f);
  } else {
    x_GLF_color = float4(0.0f, 0.0f, 0.0f, 0.0f);
  }
  return;
}

struct main_out {
  float4 x_GLF_color_1;
};
struct tint_symbol {
  float4 x_GLF_color_1 : SV_Target0;
};

tint_symbol main() {
  main_1();
  const main_out tint_symbol_1 = {x_GLF_color};
  const tint_symbol tint_symbol_2 = {tint_symbol_1.x_GLF_color_1};
  return tint_symbol_2;
}
