#include <metal_stdlib>

using namespace metal;

struct modf_result_vec3 {
  float3 fract;
  float3 whole;
};
modf_result_vec3 tint_modf(float3 param_0) {
  float3 whole;
  float3 fract = modf(param_0, whole);
  return {fract, whole};
}

struct tint_symbol {
  float4 value [[position]];
};

void modf_2199f1() {
  modf_result_vec3 res = tint_modf(float3());
}

vertex tint_symbol vertex_main() {
  modf_2199f1();
  tint_symbol const tint_symbol_1 = {.value=float4()};
  return tint_symbol_1;
}

fragment void fragment_main() {
  modf_2199f1();
  return;
}

kernel void compute_main() {
  modf_2199f1();
  return;
}

