#include <metal_stdlib>
#include <simd/simd.h>

using namespace metal;

struct myBlock
{
    int a;
    float b;
};

// Support GLSL mod(), which is slightly different than Metal fmod()
template<typename Tx, typename Ty>
Tx mod(Tx x, Ty y)
{
    return x - y * floor(x / y);
}

kernel void main0(device myBlock& myStorage [[buffer(0)]])
{
    myStorage.a = (myStorage.a + 1) % 256;
    myStorage.b = mod(myStorage.b + 0.0199999995529651641845703125, 1.0);
}