#include <metal_stdlib>

using namespace metal;
kernel void f(const constant half2x2* tint_symbol_1 [[buffer(0)]]) {
  thread half2x2 tint_symbol = half2x2(0.0h);
  tint_symbol = *(tint_symbol_1);
  tint_symbol[1] = (*(tint_symbol_1))[0];
  tint_symbol[1] = half2((*(tint_symbol_1))[0]).yx;
  tint_symbol[0][1] = (*(tint_symbol_1))[1][0];
  return;
}

