struct strided_arr {
  @size(16)
  el : f32;
}

type Arr = array<strided_arr, 2u>;

struct buf0 {
  x_GLF_uniform_float_values : Arr;
}

@group(0) @binding(0) var<uniform> x_5 : buf0;

var<private> x_GLF_color : vec4<f32>;

fn main_1() {
  let x_23 : f32 = x_5.x_GLF_uniform_float_values[1].el;
  if ((inverseSqrt(x_23) < -1.0)) {
    let x_30 : f32 = x_5.x_GLF_uniform_float_values[0].el;
    x_GLF_color = vec4<f32>(x_30, x_30, x_30, x_30);
  } else {
    let x_33 : f32 = x_5.x_GLF_uniform_float_values[1].el;
    let x_35 : f32 = x_5.x_GLF_uniform_float_values[0].el;
    let x_37 : f32 = x_5.x_GLF_uniform_float_values[0].el;
    let x_39 : f32 = x_5.x_GLF_uniform_float_values[1].el;
    x_GLF_color = vec4<f32>(x_33, x_35, x_37, x_39);
  }
  return;
}

struct main_out {
  @location(0)
  x_GLF_color_1 : vec4<f32>;
}

@stage(fragment)
fn main() -> main_out {
  main_1();
  return main_out(x_GLF_color);
}
