#include <metal_stdlib>

using namespace metal;
kernel void f(device half4x2* tint_symbol [[buffer(1)]], const constant half4x2* tint_symbol_1 [[buffer(0)]]) {
  *(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;
}

