#pragma clang diagnostic ignored "-Wmissing-prototypes"

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

using namespace metal;

struct SSBOCol
{
    float2x4 col_major0;
    float2x4 col_major1;
};

struct SSBORow
{
    float4x4 row_major0;
    float4x4 row_major1;
};

constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(1u);

static inline __attribute__((always_inline))
void load_store_to_variable_col_major(device SSBOCol& _29)
{
    float2x4 loaded = _29.col_major0;
    _29.col_major1 = loaded;
}

static inline __attribute__((always_inline))
void load_store_to_variable_row_major(device SSBORow& _41)
{
    float2x4 loaded = transpose(float4x2(_41.row_major0[0].xy, _41.row_major0[1].xy, _41.row_major0[2].xy, _41.row_major0[3].xy));
    (device float2&)_41.row_major0[0] = float2(loaded[0][0], loaded[1][0]);
    (device float2&)_41.row_major0[1] = float2(loaded[0][1], loaded[1][1]);
    (device float2&)_41.row_major0[2] = float2(loaded[0][2], loaded[1][2]);
    (device float2&)_41.row_major0[3] = float2(loaded[0][3], loaded[1][3]);
}

static inline __attribute__((always_inline))
void copy_col_major_to_col_major(device SSBOCol& _29)
{
    _29.col_major0 = _29.col_major1;
}

static inline __attribute__((always_inline))
void copy_col_major_to_row_major(device SSBOCol& _29, device SSBORow& _41)
{
    (device float2&)_41.row_major0[0] = float2(_29.col_major0[0][0], _29.col_major0[1][0]);
    (device float2&)_41.row_major0[1] = float2(_29.col_major0[0][1], _29.col_major0[1][1]);
    (device float2&)_41.row_major0[2] = float2(_29.col_major0[0][2], _29.col_major0[1][2]);
    (device float2&)_41.row_major0[3] = float2(_29.col_major0[0][3], _29.col_major0[1][3]);
}

static inline __attribute__((always_inline))
void copy_row_major_to_col_major(device SSBOCol& _29, device SSBORow& _41)
{
    _29.col_major0 = transpose(float4x2(_41.row_major0[0].xy, _41.row_major0[1].xy, _41.row_major0[2].xy, _41.row_major0[3].xy));
}

static inline __attribute__((always_inline))
void copy_row_major_to_row_major(device SSBORow& _41)
{
    (device float2&)_41.row_major0[0] = float4x2(_41.row_major1[0].xy, _41.row_major1[1].xy, _41.row_major1[2].xy, _41.row_major1[3].xy)[0];
    (device float2&)_41.row_major0[1] = float4x2(_41.row_major1[0].xy, _41.row_major1[1].xy, _41.row_major1[2].xy, _41.row_major1[3].xy)[1];
    (device float2&)_41.row_major0[2] = float4x2(_41.row_major1[0].xy, _41.row_major1[1].xy, _41.row_major1[2].xy, _41.row_major1[3].xy)[2];
    (device float2&)_41.row_major0[3] = float4x2(_41.row_major1[0].xy, _41.row_major1[1].xy, _41.row_major1[2].xy, _41.row_major1[3].xy)[3];
}

static inline __attribute__((always_inline))
void copy_columns(device SSBOCol& _29, device SSBORow& _41)
{
    _29.col_major0[1] = float4(_41.row_major0[0][1], _41.row_major0[1][1], _41.row_major0[2][1], _41.row_major0[3][1]);
    ((device float*)&_41.row_major0[0])[1] = _29.col_major0[1].x;
    ((device float*)&_41.row_major0[1])[1] = _29.col_major0[1].y;
    ((device float*)&_41.row_major0[2])[1] = _29.col_major0[1].z;
    ((device float*)&_41.row_major0[3])[1] = _29.col_major0[1].w;
}

static inline __attribute__((always_inline))
void copy_elements(device SSBOCol& _29, device SSBORow& _41)
{
    ((device float*)&_29.col_major0[0])[1u] = ((device float*)&_41.row_major0[1u])[0];
    ((device float*)&_41.row_major0[1u])[0] = ((device float*)&_29.col_major0[0])[1u];
}

kernel void main0(device SSBOCol& _29 [[buffer(0)]], device SSBORow& _41 [[buffer(1)]])
{
    load_store_to_variable_col_major(_29);
    load_store_to_variable_row_major(_41);
    copy_col_major_to_col_major(_29);
    copy_col_major_to_row_major(_29, _41);
    copy_row_major_to_col_major(_29, _41);
    copy_row_major_to_row_major(_41);
    copy_columns(_29, _41);
    copy_elements(_29, _41);
}

