cbuffer cbuffer_x_5 : register(b0, space0) {
  uint4 x_5[1];
};
static float4 x_GLF_color = float4(0.0f, 0.0f, 0.0f, 0.0f);

void main_1() {
  bool x_31 = false;
  bool x_32_phi = false;
  const bool x_26 = (sign(cosh(709.0f)) == 1.0f);
  x_32_phi = x_26;
  if (!(x_26)) {
    const int x_6 = asint(x_5[0].x);
    x_31 = (x_6 == 1);
    x_32_phi = x_31;
  }
  if (x_32_phi) {
    x_GLF_color = float4(1.0f, 0.0f, 0.0f, 1.0f);
  } else {
    x_GLF_color = float4(1.0f, 1.0f, 1.0f, 1.0f);
  }
  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_3 = {tint_symbol_1.x_GLF_color_1};
  return tint_symbol_3;
}
