user: Demonstrate the C code that generates the assembly output below:

```asm
<DFT1048576>:
  endbr64
  mov    %rdi,%rcx
  lea    0x400000(%rdi),%rdx
  mov    %rdi,%rax
L131:
  movss  (%rax),%xmm0
  movss  0x4(%rax),%xmm3
  movss  0x8(%rax),%xmm1
  movss  0xc(%rax),%xmm4
  movaps %xmm0,%xmm2
  addss  %xmm3,%xmm2
  subss  %xmm3,%xmm0
  movaps %xmm1,%xmm3
  addss  %xmm4,%xmm3
  subss  %xmm4,%xmm1
  movaps %xmm2,%xmm4
  addss  %xmm3,%xmm4
  movss  %xmm4,(%rax)
  subss  %xmm3,%xmm2
  movss  %xmm2,0x8(%rax)
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,0x4(%rax)
  subss  %xmm1,%xmm0
  movss  %xmm0,0xc(%rax)
  add    $0x10,%rax
  cmp    %rdx,%rax
  jne    L131
  mov    %rcx,%rax
  movss  D9(%rip),%xmm4
L358:
  movss  (%rax),%xmm0
  movss  0x10(%rax),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,(%rax)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x10(%rax)
  movss  0x8(%rax),%xmm0
  movss  0x18(%rax),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,0x8(%rax)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x18(%rax)
  movss  0x4(%rax),%xmm1
  movss  0x14(%rax),%xmm0
  movss  0x1c(%rax),%xmm3
  movaps %xmm0,%xmm2
  addss  %xmm3,%xmm2
  mulss  %xmm4,%xmm2
  subss  %xmm3,%xmm0
  mulss  %xmm4,%xmm0
  movaps %xmm1,%xmm3
  addss  %xmm2,%xmm3
  movss  %xmm3,0x4(%rax)
  subss  %xmm2,%xmm1
  movss  %xmm1,0x14(%rax)
  movss  0xc(%rax),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,0xc(%rax)
  subss  %xmm0,%xmm1
  movss  %xmm1,0x1c(%rax)
  add    $0x20,%rax
  cmp    %rdx,%rax
  jne    L358
  mov    %rcx,%r9
  mov    $0x0,%r10d
  lea    0x200000(%rsi),%r8
  jmp    L151
L209:
  add    $0x10,%r10d
  add    $0x40,%r9
  cmp    $0x100000,%r10d
  je     L386
L151:
  movss  (%r9),%xmm0
  movss  0x20(%r9),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,(%r9)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x20(%r9)
  movss  0x10(%r9),%xmm0
  movss  0x30(%r9),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,0x10(%r9)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x30(%r9)
  lea    0x140000(%rsi),%rdi
  mov    %r9,%rdx
  mov    %r9,%rax
L54:
  movss  -0x100000(%rdi),%xmm6
  movss  (%rdi),%xmm5
  movss  0x4(%rax),%xmm2
  movss  0x1c(%rdx),%xmm1
  movss  0x24(%rax),%xmm0
  movss  0x3c(%rdx),%xmm4
  movaps %xmm0,%xmm3
  mulss  %xmm5,%xmm3
  movaps %xmm4,%xmm7
  mulss  %xmm6,%xmm7
  addss  %xmm7,%xmm3
  mulss  %xmm6,%xmm0
  mulss  %xmm5,%xmm4
  subss  %xmm4,%xmm0
  movaps %xmm2,%xmm4
  addss  %xmm3,%xmm4
  movss  %xmm4,0x4(%rax)
  subss  %xmm3,%xmm2
  movss  %xmm2,0x24(%rax)
  movaps %xmm1,%xmm2
  addss  %xmm0,%xmm2
  movss  %xmm2,0x1c(%rdx)
  subss  %xmm0,%xmm1
  movss  %xmm1,0x3c(%rdx)
  add    $0x4,%rax
  sub    $0x4,%rdx
  add    $0x40000,%rdi
  cmp    %r8,%rdi
  jne    L54
  jmp    L209
L386:
  mov    %rcx,%r9
  mov    $0x0,%r10d
  jmp    L334
L30:
  add    $0x20,%r10d
  sub    $0xffffffffffffff80,%r9
  cmp    $0x100000,%r10d
  je     L338
L334:
  movss  (%r9),%xmm0
  movss  0x40(%r9),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,(%r9)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x40(%r9)
  movss  0x20(%r9),%xmm0
  movss  0x60(%r9),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,0x20(%r9)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x60(%r9)
  lea    0x120000(%rsi),%rdi
  mov    %r9,%rdx
  mov    %r9,%rax
L429:
  movss  -0x100000(%rdi),%xmm6
  movss  (%rdi),%xmm5
  movss  0x4(%rax),%xmm2
  movss  0x3c(%rdx),%xmm1
  movss  0x44(%rax),%xmm0
  movss  0x7c(%rdx),%xmm4
  movaps %xmm0,%xmm3
  mulss  %xmm5,%xmm3
  movaps %xmm4,%xmm7
  mulss  %xmm6,%xmm7
  addss  %xmm7,%xmm3
  mulss  %xmm6,%xmm0
  mulss  %xmm5,%xmm4
  subss  %xmm4,%xmm0
  movaps %xmm2,%xmm4
  addss  %xmm3,%xmm4
  movss  %xmm4,0x4(%rax)
  subss  %xmm3,%xmm2
  movss  %xmm2,0x44(%rax)
  movaps %xmm1,%xmm2
  addss  %xmm0,%xmm2
  movss  %xmm2,0x3c(%rdx)
  subss  %xmm0,%xmm1
  movss  %xmm1,0x7c(%rdx)
  add    $0x4,%rax
  sub    $0x4,%rdx
  add    $0x20000,%rdi
  cmp    %r8,%rdi
  jne    L429
  jmp    L30
L338:
  lea    0x40(%rcx),%r8
  mov    $0x0,%r9d
  jmp    L72
L449:
  add    $0x40,%r9d
  add    $0x100,%r8
  cmp    $0x100000,%r9d
  je     L141
L72:
  movss  -0x40(%r8),%xmm0
  movss  0x40(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,-0x40(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x40(%r8)
  movss  (%r8),%xmm0
  movss  0x80(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x80(%r8)
  lea    0x10000(%rsi),%rdi
  lea    -0x3c(%r8),%rax
  lea    0x3c(%r8),%rdx
L238:
  movss  (%rdi),%xmm6
  movss  0x100000(%rdi),%xmm5
  movss  (%rax),%xmm2
  movss  (%rdx),%xmm1
  movss  0x80(%rax),%xmm0
  movss  0x80(%rdx),%xmm4
  movaps %xmm0,%xmm3
  mulss  %xmm5,%xmm3
  movaps %xmm4,%xmm7
  mulss  %xmm6,%xmm7
  addss  %xmm7,%xmm3
  mulss  %xmm6,%xmm0
  mulss  %xmm5,%xmm4
  subss  %xmm4,%xmm0
  movaps %xmm2,%xmm4
  addss  %xmm3,%xmm4
  movss  %xmm4,(%rax)
  subss  %xmm3,%xmm2
  movss  %xmm2,0x80(%rax)
  movaps %xmm1,%xmm2
  addss  %xmm0,%xmm2
  movss  %xmm2,(%rdx)
  subss  %xmm0,%xmm1
  movss  %xmm1,0x80(%rdx)
  add    $0x10000,%rdi
  add    $0x4,%rax
  sub    $0x4,%rdx
  cmp    %r8,%rax
  jne    L238
  jmp    L449
L141:
  lea    0x80(%rcx),%r8
  mov    $0x0,%r9d
  jmp    L268
L189:
  sub    $0xffffff80,%r9d
  add    $0x200,%r8
  cmp    $0x100000,%r9d
  je     L194
L268:
  movss  -0x80(%r8),%xmm0
  movss  0x80(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,-0x80(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x80(%r8)
  movss  (%r8),%xmm0
  movss  0x100(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x100(%r8)
  lea    0x8000(%rsi),%rdi
  lea    -0x7c(%r8),%rax
  lea    0x7c(%r8),%rdx
L199:
  movss  (%rdi),%xmm6
  movss  0x100000(%rdi),%xmm5
  movss  (%rax),%xmm2
  movss  (%rdx),%xmm1
  movss  0x100(%rax),%xmm0
  movss  0x100(%rdx),%xmm4
  movaps %xmm0,%xmm3
  mulss  %xmm5,%xmm3
  movaps %xmm4,%xmm7
  mulss  %xmm6,%xmm7
  addss  %xmm7,%xmm3
  mulss  %xmm6,%xmm0
  mulss  %xmm5,%xmm4
  subss  %xmm4,%xmm0
  movaps %xmm2,%xmm4
  addss  %xmm3,%xmm4
  movss  %xmm4,(%rax)
  subss  %xmm3,%xmm2
  movss  %xmm2,0x100(%rax)
  movaps %xmm1,%xmm2
  addss  %xmm0,%xmm2
  movss  %xmm2,(%rdx)
  subss  %xmm0,%xmm1
  movss  %xmm1,0x100(%rdx)
  add    $0x8000,%rdi
  add    $0x4,%rax
  sub    $0x4,%rdx
  cmp    %r8,%rax
  jne    L199
  jmp    L189
L194:
  lea    0x100(%rcx),%r8
  mov    $0x0,%r9d
  jmp    L197
L445:
  add    $0x100,%r9d
  add    $0x400,%r8
  cmp    $0x100000,%r9d
  je     L85
L197:
  movss  -0x100(%r8),%xmm0
  movss  0x100(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,-0x100(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x100(%r8)
  movss  (%r8),%xmm0
  movss  0x200(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x200(%r8)
  lea    0x4000(%rsi),%rdi
  lea    -0xfc(%r8),%rax
  lea    0xfc(%r8),%rdx
L74:
  movss  (%rdi),%xmm6
  movss  0x100000(%rdi),%xmm5
  movss  (%rax),%xmm2
  movss  (%rdx),%xmm1
  movss  0x200(%rax),%xmm0
  movss  0x200(%rdx),%xmm4
  movaps %xmm0,%xmm3
  mulss  %xmm5,%xmm3
  movaps %xmm4,%xmm7
  mulss  %xmm6,%xmm7
  addss  %xmm7,%xmm3
  mulss  %xmm6,%xmm0
  mulss  %xmm5,%xmm4
  subss  %xmm4,%xmm0
  movaps %xmm2,%xmm4
  addss  %xmm3,%xmm4
  movss  %xmm4,(%rax)
  subss  %xmm3,%xmm2
  movss  %xmm2,0x200(%rax)
  movaps %xmm1,%xmm2
  addss  %xmm0,%xmm2
  movss  %xmm2,(%rdx)
  subss  %xmm0,%xmm1
  movss  %xmm1,0x200(%rdx)
  add    $0x4000,%rdi
  add    $0x4,%rax
  sub    $0x4,%rdx
  cmp    %r8,%rax
  jne    L74
  jmp    L445
L85:
  lea    0x200(%rcx),%r8
  mov    $0x0,%r9d
L165:
  movss  -0x200(%r8),%xmm0
  movss  0x200(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,-0x200(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x200(%r8)
  movss  (%r8),%xmm0
  movss  0x400(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x400(%r8)
  lea    0x2000(%rsi),%rdi
  lea    -0x1fc(%r8),%rax
  lea    0x1fc(%r8),%rdx
L369:
  movss  (%rdi),%xmm6
  movss  0x100000(%rdi),%xmm5
  movss  (%rax),%xmm2
  movss  (%rdx),%xmm1
  movss  0x400(%rax),%xmm0
  movss  0x400(%rdx),%xmm4
  movaps %xmm0,%xmm3
  mulss  %xmm5,%xmm3
  movaps %xmm4,%xmm7
  mulss  %xmm6,%xmm7
  addss  %xmm7,%xmm3
  mulss  %xmm6,%xmm0
  mulss  %xmm5,%xmm4
  subss  %xmm4,%xmm0
  movaps %xmm2,%xmm4
  addss  %xmm3,%xmm4
  movss  %xmm4,(%rax)
  subss  %xmm3,%xmm2
  movss  %xmm2,0x400(%rax)
  movaps %xmm1,%xmm2
  addss  %xmm0,%xmm2
  movss  %xmm2,(%rdx)
  subss  %xmm0,%xmm1
  movss  %xmm1,0x400(%rdx)
  add    $0x2000,%rdi
  add    $0x4,%rax
  sub    $0x4,%rdx
  cmp    %r8,%rax
  jne    L369
  add    $0x200,%r9d
  add    $0x800,%r8
  cmp    $0x100000,%r9d
  jne    L165
  lea    0x400(%rcx),%r8
  mov    $0x0,%r9d
L375:
  movss  -0x400(%r8),%xmm0
  movss  0x400(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,-0x400(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x400(%r8)
  movss  (%r8),%xmm0
  movss  0x800(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x800(%r8)
  lea    0x1000(%rsi),%rdi
  lea    -0x3fc(%r8),%rax
  lea    0x3fc(%r8),%rdx
L56:
  movss  (%rdi),%xmm6
  movss  0x100000(%rdi),%xmm5
  movss  (%rax),%xmm2
  movss  (%rdx),%xmm1
  movss  0x800(%rax),%xmm0
  movss  0x800(%rdx),%xmm4
  movaps %xmm0,%xmm3
  mulss  %xmm5,%xmm3
  movaps %xmm4,%xmm7
  mulss  %xmm6,%xmm7
  addss  %xmm7,%xmm3
  mulss  %xmm6,%xmm0
  mulss  %xmm5,%xmm4
  subss  %xmm4,%xmm0
  movaps %xmm2,%xmm4
  addss  %xmm3,%xmm4
  movss  %xmm4,(%rax)
  subss  %xmm3,%xmm2
  movss  %xmm2,0x800(%rax)
  movaps %xmm1,%xmm2
  addss  %xmm0,%xmm2
  movss  %xmm2,(%rdx)
  subss  %xmm0,%xmm1
  movss  %xmm1,0x800(%rdx)
  add    $0x1000,%rdi
  add    $0x4,%rax
  sub    $0x4,%rdx
  cmp    %r8,%rax
  jne    L56
  add    $0x400,%r9d
  add    $0x1000,%r8
  cmp    $0x100000,%r9d
  jne    L375
  lea    0x800(%rcx),%r8
  mov    $0x0,%r9d
L414:
  movss  -0x800(%r8),%xmm0
  movss  0x800(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,-0x800(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x800(%r8)
  movss  (%r8),%xmm0
  movss  0x1000(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x1000(%r8)
  lea    0x800(%rsi),%rdi
  lea    -0x7fc(%r8),%rax
  lea    0x7fc(%r8),%rdx
L281:
  movss  (%rdi),%xmm6
  movss  0x100000(%rdi),%xmm5
  movss  (%rax),%xmm2
  movss  (%rdx),%xmm1
  movss  0x1000(%rax),%xmm0
  movss  0x1000(%rdx),%xmm4
  movaps %xmm0,%xmm3
  mulss  %xmm5,%xmm3
  movaps %xmm4,%xmm7
  mulss  %xmm6,%xmm7
  addss  %xmm7,%xmm3
  mulss  %xmm6,%xmm0
  mulss  %xmm5,%xmm4
  subss  %xmm4,%xmm0
  movaps %xmm2,%xmm4
  addss  %xmm3,%xmm4
  movss  %xmm4,(%rax)
  subss  %xmm3,%xmm2
  movss  %xmm2,0x1000(%rax)
  movaps %xmm1,%xmm2
  addss  %xmm0,%xmm2
  movss  %xmm2,(%rdx)
  subss  %xmm0,%xmm1
  movss  %xmm1,0x1000(%rdx)
  add    $0x800,%rdi
  add    $0x4,%rax
  sub    $0x4,%rdx
  cmp    %r8,%rax
  jne    L281
  add    $0x800,%r9d
  add    $0x2000,%r8
  cmp    $0x100000,%r9d
  jne    L414
  lea    0x1000(%rcx),%r8
  mov    $0x0,%r9d
L219:
  movss  -0x1000(%r8),%xmm0
  movss  0x1000(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,-0x1000(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x1000(%r8)
  movss  (%r8),%xmm0
  movss  0x2000(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x2000(%r8)
  lea    0x400(%rsi),%rdi
  lea    -0xffc(%r8),%rax
  lea    0xffc(%r8),%rdx
L318:
  movss  (%rdi),%xmm6
  movss  0x100000(%rdi),%xmm5
  movss  (%rax),%xmm2
  movss  (%rdx),%xmm1
  movss  0x2000(%rax),%xmm0
  movss  0x2000(%rdx),%xmm4
  movaps %xmm0,%xmm3
  mulss  %xmm5,%xmm3
  movaps %xmm4,%xmm7
  mulss  %xmm6,%xmm7
  addss  %xmm7,%xmm3
  mulss  %xmm6,%xmm0
  mulss  %xmm5,%xmm4
  subss  %xmm4,%xmm0
  movaps %xmm2,%xmm4
  addss  %xmm3,%xmm4
  movss  %xmm4,(%rax)
  subss  %xmm3,%xmm2
  movss  %xmm2,0x2000(%rax)
  movaps %xmm1,%xmm2
  addss  %xmm0,%xmm2
  movss  %xmm2,(%rdx)
  subss  %xmm0,%xmm1
  movss  %xmm1,0x2000(%rdx)
  add    $0x400,%rdi
  add    $0x4,%rax
  sub    $0x4,%rdx
  cmp    %r8,%rax
  jne    L318
  add    $0x1000,%r9d
  add    $0x4000,%r8
  cmp    $0x100000,%r9d
  jne    L219
  lea    0x2000(%rcx),%r8
  mov    $0x0,%r9d
L402:
  movss  -0x2000(%r8),%xmm0
  movss  0x2000(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,-0x2000(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x2000(%r8)
  movss  (%r8),%xmm0
  movss  0x4000(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x4000(%r8)
  lea    0x200(%rsi),%rdi
  lea    -0x1ffc(%r8),%rax
  lea    0x1ffc(%r8),%rdx
L261:
  movss  (%rdi),%xmm6
  movss  0x100000(%rdi),%xmm5
  movss  (%rax),%xmm2
  movss  (%rdx),%xmm1
  movss  0x4000(%rax),%xmm0
  movss  0x4000(%rdx),%xmm4
  movaps %xmm0,%xmm3
  mulss  %xmm5,%xmm3
  movaps %xmm4,%xmm7
  mulss  %xmm6,%xmm7
  addss  %xmm7,%xmm3
  mulss  %xmm6,%xmm0
  mulss  %xmm5,%xmm4
  subss  %xmm4,%xmm0
  movaps %xmm2,%xmm4
  addss  %xmm3,%xmm4
  movss  %xmm4,(%rax)
  subss  %xmm3,%xmm2
  movss  %xmm2,0x4000(%rax)
  movaps %xmm1,%xmm2
  addss  %xmm0,%xmm2
  movss  %xmm2,(%rdx)
  subss  %xmm0,%xmm1
  movss  %xmm1,0x4000(%rdx)
  add    $0x200,%rdi
  add    $0x4,%rax
  sub    $0x4,%rdx
  cmp    %r8,%rax
  jne    L261
  add    $0x2000,%r9d
  add    $0x8000,%r8
  cmp    $0x100000,%r9d
  jne    L402
  lea    0x4000(%rcx),%r8
  mov    $0x0,%r9d
L274:
  movss  -0x4000(%r8),%xmm0
  movss  0x4000(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,-0x4000(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x4000(%r8)
  movss  (%r8),%xmm0
  movss  0x8000(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x8000(%r8)
  lea    0x100(%rsi),%rdi
  lea    -0x3ffc(%r8),%rax
  lea    0x3ffc(%r8),%rdx
L244:
  movss  (%rdi),%xmm6
  movss  0x100000(%rdi),%xmm5
  movss  (%rax),%xmm2
  movss  (%rdx),%xmm1
  movss  0x8000(%rax),%xmm0
  movss  0x8000(%rdx),%xmm4
  movaps %xmm0,%xmm3
  mulss  %xmm5,%xmm3
  movaps %xmm4,%xmm7
  mulss  %xmm6,%xmm7
  addss  %xmm7,%xmm3
  mulss  %xmm6,%xmm0
  mulss  %xmm5,%xmm4
  subss  %xmm4,%xmm0
  movaps %xmm2,%xmm4
  addss  %xmm3,%xmm4
  movss  %xmm4,(%rax)
  subss  %xmm3,%xmm2
  movss  %xmm2,0x8000(%rax)
  movaps %xmm1,%xmm2
  addss  %xmm0,%xmm2
  movss  %xmm2,(%rdx)
  subss  %xmm0,%xmm1
  movss  %xmm1,0x8000(%rdx)
  add    $0x100,%rdi
  add    $0x4,%rax
  sub    $0x4,%rdx
  cmp    %r8,%rax
  jne    L244
  add    $0x4000,%r9d
  add    $0x10000,%r8
  cmp    $0x100000,%r9d
  jne    L274
  lea    0x8000(%rcx),%r8
  mov    $0x0,%r9d
L384:
  movss  -0x8000(%r8),%xmm0
  movss  0x8000(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,-0x8000(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x8000(%r8)
  movss  (%r8),%xmm0
  movss  0x10000(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x10000(%r8)
  lea    0x80(%rsi),%rdi
  lea    -0x7ffc(%r8),%rax
  lea    0x7ffc(%r8),%rdx
L353:
  movss  (%rdi),%xmm6
  movss  0x100000(%rdi),%xmm5
  movss  (%rax),%xmm2
  movss  (%rdx),%xmm1
  movss  0x10000(%rax),%xmm0
  movss  0x10000(%rdx),%xmm4
  movaps %xmm0,%xmm3
  mulss  %xmm5,%xmm3
  movaps %xmm4,%xmm7
  mulss  %xmm6,%xmm7
  addss  %xmm7,%xmm3
  mulss  %xmm6,%xmm0
  mulss  %xmm5,%xmm4
  subss  %xmm4,%xmm0
  movaps %xmm2,%xmm4
  addss  %xmm3,%xmm4
  movss  %xmm4,(%rax)
  subss  %xmm3,%xmm2
  movss  %xmm2,0x10000(%rax)
  movaps %xmm1,%xmm2
  addss  %xmm0,%xmm2
  movss  %xmm2,(%rdx)
  subss  %xmm0,%xmm1
  movss  %xmm1,0x10000(%rdx)
  sub    $0xffffffffffffff80,%rdi
  add    $0x4,%rax
  sub    $0x4,%rdx
  cmp    %r8,%rax
  jne    L353
  add    $0x8000,%r9d
  add    $0x20000,%r8
  cmp    $0x100000,%r9d
  jne    L384
  lea    0x10000(%rcx),%r8
  mov    $0x0,%r9d
L250:
  movss  -0x10000(%r8),%xmm0
  movss  0x10000(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,-0x10000(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x10000(%r8)
  movss  (%r8),%xmm0
  movss  0x20000(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x20000(%r8)
  lea    0x40(%rsi),%rdi
  lea    -0xfffc(%r8),%rax
  lea    0xfffc(%r8),%rdx
L43:
  movss  (%rdi),%xmm6
  movss  0x100000(%rdi),%xmm5
  movss  (%rax),%xmm2
  movss  (%rdx),%xmm1
  movss  0x20000(%rax),%xmm0
  movss  0x20000(%rdx),%xmm4
  movaps %xmm0,%xmm3
  mulss  %xmm5,%xmm3
  movaps %xmm4,%xmm7
  mulss  %xmm6,%xmm7
  addss  %xmm7,%xmm3
  mulss  %xmm6,%xmm0
  mulss  %xmm5,%xmm4
  subss  %xmm4,%xmm0
  movaps %xmm2,%xmm4
  addss  %xmm3,%xmm4
  movss  %xmm4,(%rax)
  subss  %xmm3,%xmm2
  movss  %xmm2,0x20000(%rax)
  movaps %xmm1,%xmm2
  addss  %xmm0,%xmm2
  movss  %xmm2,(%rdx)
  subss  %xmm0,%xmm1
  movss  %xmm1,0x20000(%rdx)
  add    $0x40,%rdi
  add    $0x4,%rax
  sub    $0x4,%rdx
  cmp    %r8,%rax
  jne    L43
  add    $0x10000,%r9d
  add    $0x40000,%r8
  cmp    $0x100000,%r9d
  jne    L250
  lea    0x20000(%rcx),%r8
  mov    $0x0,%r9d
L8:
  movss  -0x20000(%r8),%xmm0
  movss  0x20000(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,-0x20000(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x20000(%r8)
  movss  (%r8),%xmm0
  movss  0x40000(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x40000(%r8)
  lea    0x20(%rsi),%rdi
  lea    -0x1fffc(%r8),%rax
  lea    0x1fffc(%r8),%rdx
L121:
  movss  (%rdi),%xmm6
  movss  0x100000(%rdi),%xmm5
  movss  (%rax),%xmm2
  movss  (%rdx),%xmm1
  movss  0x40000(%rax),%xmm0
  movss  0x40000(%rdx),%xmm4
  movaps %xmm0,%xmm3
  mulss  %xmm5,%xmm3
  movaps %xmm4,%xmm7
  mulss  %xmm6,%xmm7
  addss  %xmm7,%xmm3
  mulss  %xmm6,%xmm0
  mulss  %xmm5,%xmm4
  subss  %xmm4,%xmm0
  movaps %xmm2,%xmm4
  addss  %xmm3,%xmm4
  movss  %xmm4,(%rax)
  subss  %xmm3,%xmm2
  movss  %xmm2,0x40000(%rax)
  movaps %xmm1,%xmm2
  addss  %xmm0,%xmm2
  movss  %xmm2,(%rdx)
  subss  %xmm0,%xmm1
  movss  %xmm1,0x40000(%rdx)
  add    $0x20,%rdi
  add    $0x4,%rax
  sub    $0x4,%rdx
  cmp    %r8,%rax
  jne    L121
  add    $0x20000,%r9d
  add    $0x80000,%r8
  cmp    $0x100000,%r9d
  jne    L8
  lea    0x40000(%rcx),%r8
  mov    $0x0,%r9d
L233:
  movss  -0x40000(%r8),%xmm0
  movss  0x40000(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,-0x40000(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x40000(%r8)
  movss  (%r8),%xmm0
  movss  0x80000(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x80000(%r8)
  lea    0x10(%rsi),%rdi
  lea    -0x3fffc(%r8),%rax
  lea    0x3fffc(%r8),%rdx
L247:
  movss  (%rdi),%xmm6
  movss  0x100000(%rdi),%xmm5
  movss  (%rax),%xmm2
  movss  (%rdx),%xmm1
  movss  0x80000(%rax),%xmm0
  movss  0x80000(%rdx),%xmm4
  movaps %xmm0,%xmm3
  mulss  %xmm5,%xmm3
  movaps %xmm4,%xmm7
  mulss  %xmm6,%xmm7
  addss  %xmm7,%xmm3
  mulss  %xmm6,%xmm0
  mulss  %xmm5,%xmm4
  subss  %xmm4,%xmm0
  movaps %xmm2,%xmm4
  addss  %xmm3,%xmm4
  movss  %xmm4,(%rax)
  subss  %xmm3,%xmm2
  movss  %xmm2,0x80000(%rax)
  movaps %xmm1,%xmm2
  addss  %xmm0,%xmm2
  movss  %xmm2,(%rdx)
  subss  %xmm0,%xmm1
  movss  %xmm1,0x80000(%rdx)
  add    $0x10,%rdi
  add    $0x4,%rax
  sub    $0x4,%rdx
  cmp    %r8,%rax
  jne    L247
  add    $0x40000,%r9d
  add    $0x100000,%r8
  cmp    $0x100000,%r9d
  jne    L233
  lea    0x80000(%rcx),%r8
  mov    $0x0,%r9d
L88:
  movss  -0x80000(%r8),%xmm0
  movss  0x80000(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,-0x80000(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x80000(%r8)
  movss  (%r8),%xmm0
  movss  0x100000(%r8),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,(%r8)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x100000(%r8)
  lea    0x8(%rsi),%rdi
  lea    -0x7fffc(%r8),%rax
  lea    0x7fffc(%r8),%rdx
L119:
  movss  (%rdi),%xmm6
  movss  0x100000(%rdi),%xmm5
  movss  (%rax),%xmm2
  movss  (%rdx),%xmm1
  movss  0x100000(%rax),%xmm0
  movss  0x100000(%rdx),%xmm4
  movaps %xmm0,%xmm3
  mulss  %xmm5,%xmm3
  movaps %xmm4,%xmm7
  mulss  %xmm6,%xmm7
  addss  %xmm7,%xmm3
  mulss  %xmm6,%xmm0
  mulss  %xmm5,%xmm4
  subss  %xmm4,%xmm0
  movaps %xmm2,%xmm4
  addss  %xmm3,%xmm4
  movss  %xmm4,(%rax)
  subss  %xmm3,%xmm2
  movss  %xmm2,0x100000(%rax)
  movaps %xmm1,%xmm2
  addss  %xmm0,%xmm2
  movss  %xmm2,(%rdx)
  subss  %xmm0,%xmm1
  movss  %xmm1,0x100000(%rdx)
  add    $0x8,%rdi
  add    $0x4,%rax
  sub    $0x4,%rdx
  cmp    %r8,%rax
  jne    L119
  add    $0x80000,%r9d
  add    $0x200000,%r8
  cmp    $0x100000,%r9d
  jne    L88
  movss  (%rcx),%xmm0
  movss  0x200000(%rcx),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,(%rcx)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x200000(%rcx)
  movss  0x100000(%rcx),%xmm0
  movss  0x300000(%rcx),%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,0x100000(%rcx)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x300000(%rcx)
  lea    0x1ffffc(%rcx),%rax
  add    $0x100004,%rsi
  lea    0x200004(%rcx),%rdx
  add    $0x100000,%rcx
L309:
  movss  -0x100000(%rsi),%xmm6
  movss  (%rsi),%xmm5
  movss  -0x200000(%rdx),%xmm2
  movss  (%rax),%xmm1
  movss  (%rdx),%xmm0
  movss  0x200000(%rax),%xmm4
  movaps %xmm0,%xmm3
  mulss  %xmm5,%xmm3
  movaps %xmm4,%xmm7
  mulss  %xmm6,%xmm7
  addss  %xmm7,%xmm3
  mulss  %xmm6,%xmm0
  mulss  %xmm5,%xmm4
  subss  %xmm4,%xmm0
  movaps %xmm2,%xmm4
  addss  %xmm3,%xmm4
  movss  %xmm4,-0x200000(%rdx)
  subss  %xmm3,%xmm2
  movss  %xmm2,(%rdx)
  movaps %xmm1,%xmm2
  addss  %xmm0,%xmm2
  movss  %xmm2,(%rax)
  subss  %xmm0,%xmm1
  movss  %xmm1,0x200000(%rax)
  sub    $0x4,%rax
  add    $0x4,%rsi
  add    $0x4,%rdx
  cmp    %rcx,%rax
  jne    L309
  ret
```

tool_calls: name: retrieve_data
arguments: data_label: D9
type_infered: byte[4]

tool: {"D9": [0xf3,0x04,0x35,0x3f]}

assistant: ```c
void DFT1048576(float *A, const float *sinTab) {
  int i, j, theta;
  float alpha, beta, beta1, beta2, y0, y1, y2, y3;
  for (i = 0; i < 1048576; i += 4) {
    alpha = A[i];
    beta = A[i + 1];
    beta1 = A[i + 2];
    beta2 = A[i + 3];
    y0 = alpha + beta;
    y1 = alpha - beta;
    y2 = beta1 + beta2;
    y3 = beta1 - beta2;
    A[i] = y0 + y2;
    A[i + 2] = y0 - y2;
    A[i + 1] = y1 + y3;
    A[i + 3] = y1 - y3;
  }
  for (i = 0; i < 1048576; i += 8) {
    alpha = A[i];
    beta = A[i + 4];
    A[i] = alpha + beta;
    A[i + 4] = alpha - beta;
    alpha = A[i + 2];
    beta = A[i + 6];
    A[i + 2] = alpha + beta;
    A[i + 6] = alpha - beta;
    alpha = A[i + 1];
    beta1 = 0.70710678118654752440084436210485f * (A[i + 5] + A[i + 7]);
    beta2 = 0.70710678118654752440084436210485f * (A[i + 5] - A[i + 7]);
    A[i + 1] = alpha + beta1;
    A[i + 5] = alpha - beta1;
    alpha = A[i + 3];
    A[i + 3] = alpha + beta2;
    A[i + 7] = alpha - beta2;
  }
  for (i = 0; i < 1048576; i += 16) {
    theta = 65536;
    alpha = A[i];
    beta = A[i + 8];
    A[i] = alpha + beta;
    A[i + 8] = alpha - beta;
    alpha = A[i + 4];
    beta = A[i + 12];
    A[i + 4] = alpha + beta;
    A[i + 12] = alpha - beta;
    for (j = 1; j < 4; j++) {
      y0 = sinTab[theta];
      y1 = sinTab[theta + 262144];
      alpha = A[i + j];
      beta = A[i - j + 8];
      beta1 = A[i + j + 8] * y1 + A[i - j + 16] * y0;
      beta2 = A[i + j + 8] * y0 - A[i - j + 16] * y1;
      theta += 65536;
      A[i + j] = alpha + beta1;
      A[i + j + 8] = alpha - beta1;
      A[i - j + 8] = beta + beta2;
      A[i - j + 16] = beta - beta2;
    }
  }
  for (i = 0; i < 1048576; i += 32) {
    theta = 32768;
    alpha = A[i];
    beta = A[i + 16];
    A[i] = alpha + beta;
    A[i + 16] = alpha - beta;
    alpha = A[i + 8];
    beta = A[i + 24];
    A[i + 8] = alpha + beta;
    A[i + 24] = alpha - beta;
    for (j = 1; j < 8; j++) {
      y0 = sinTab[theta];
      y1 = sinTab[theta + 262144];
      alpha = A[i + j];
      beta = A[i - j + 16];
      beta1 = A[i + j + 16] * y1 + A[i - j + 32] * y0;
      beta2 = A[i + j + 16] * y0 - A[i - j + 32] * y1;
      theta += 32768;
      A[i + j] = alpha + beta1;
      A[i + j + 16] = alpha - beta1;
      A[i - j + 16] = beta + beta2;
      A[i - j + 32] = beta - beta2;
    }
  }
  for (i = 0; i < 1048576; i += 64) {
    theta = 16384;
    alpha = A[i];
    beta = A[i + 32];
    A[i] = alpha + beta;
    A[i + 32] = alpha - beta;
    alpha = A[i + 16];
    beta = A[i + 48];
    A[i + 16] = alpha + beta;
    A[i + 48] = alpha - beta;
    for (j = 1; j < 16; j++) {
      y0 = sinTab[theta];
      y1 = sinTab[theta + 262144];
      alpha = A[i + j];
      beta = A[i - j + 32];
      beta1 = A[i + j + 32] * y1 + A[i - j + 64] * y0;
      beta2 = A[i + j + 32] * y0 - A[i - j + 64] * y1;
      theta += 16384;
      A[i + j] = alpha + beta1;
      A[i + j + 32] = alpha - beta1;
      A[i - j + 32] = beta + beta2;
      A[i - j + 64] = beta - beta2;
    }
  }
  for (i = 0; i < 1048576; i += 128) {
    theta = 8192;
    alpha = A[i];
    beta = A[i + 64];
    A[i] = alpha + beta;
    A[i + 64] = alpha - beta;
    alpha = A[i + 32];
    beta = A[i + 96];
    A[i + 32] = alpha + beta;
    A[i + 96] = alpha - beta;
    for (j = 1; j < 32; j++) {
      y0 = sinTab[theta];
      y1 = sinTab[theta + 262144];
      alpha = A[i + j];
      beta = A[i - j + 64];
      beta1 = A[i + j + 64] * y1 + A[i - j + 128] * y0;
      beta2 = A[i + j + 64] * y0 - A[i - j + 128] * y1;
      theta += 8192;
      A[i + j] = alpha + beta1;
      A[i + j + 64] = alpha - beta1;
      A[i - j + 64] = beta + beta2;
      A[i - j + 128] = beta - beta2;
    }
  }
  for (i = 0; i < 1048576; i += 256) {
    theta = 4096;
    alpha = A[i];
    beta = A[i + 128];
    A[i] = alpha + beta;
    A[i + 128] = alpha - beta;
    alpha = A[i + 64];
    beta = A[i + 192];
    A[i + 64] = alpha + beta;
    A[i + 192] = alpha - beta;
    for (j = 1; j < 64; j++) {
      y0 = sinTab[theta];
      y1 = sinTab[theta + 262144];
      alpha = A[i + j];
      beta = A[i - j + 128];
      beta1 = A[i + j + 128] * y1 + A[i - j + 256] * y0;
      beta2 = A[i + j + 128] * y0 - A[i - j + 256] * y1;
      theta += 4096;
      A[i + j] = alpha + beta1;
      A[i + j + 128] = alpha - beta1;
      A[i - j + 128] = beta + beta2;
      A[i - j + 256] = beta - beta2;
    }
  }
  for (i = 0; i < 1048576; i += 512) {
    theta = 2048;
    alpha = A[i];
    beta = A[i + 256];
    A[i] = alpha + beta;
    A[i + 256] = alpha - beta;
    alpha = A[i + 128];
    beta = A[i + 384];
    A[i + 128] = alpha + beta;
    A[i + 384] = alpha - beta;
    for (j = 1; j < 128; j++) {
      y0 = sinTab[theta];
      y1 = sinTab[theta + 262144];
      alpha = A[i + j];
      beta = A[i - j + 256];
      beta1 = A[i + j + 256] * y1 + A[i - j + 512] * y0;
      beta2 = A[i + j + 256] * y0 - A[i - j + 512] * y1;
      theta += 2048;
      A[i + j] = alpha + beta1;
      A[i + j + 256] = alpha - beta1;
      A[i - j + 256] = beta + beta2;
      A[i - j + 512] = beta - beta2;
    }
  }
  for (i = 0; i < 1048576; i += 1024) {
    theta = 1024;
    alpha = A[i];
    beta = A[i + 512];
    A[i] = alpha + beta;
    A[i + 512] = alpha - beta;
    alpha = A[i + 256];
    beta = A[i + 768];
    A[i + 256] = alpha + beta;
    A[i + 768] = alpha - beta;
    for (j = 1; j < 256; j++) {
      y0 = sinTab[theta];
      y1 = sinTab[theta + 262144];
      alpha = A[i + j];
      beta = A[i - j + 512];
      beta1 = A[i + j + 512] * y1 + A[i - j + 1024] * y0;
      beta2 = A[i + j + 512] * y0 - A[i - j + 1024] * y1;
      theta += 1024;
      A[i + j] = alpha + beta1;
      A[i + j + 512] = alpha - beta1;
      A[i - j + 512] = beta + beta2;
      A[i - j + 1024] = beta - beta2;
    }
  }
  for (i = 0; i < 1048576; i += 2048) {
    theta = 512;
    alpha = A[i];
    beta = A[i + 1024];
    A[i] = alpha + beta;
    A[i + 1024] = alpha - beta;
    alpha = A[i + 512];
    beta = A[i + 1536];
    A[i + 512] = alpha + beta;
    A[i + 1536] = alpha - beta;
    for (j = 1; j < 512; j++) {
      y0 = sinTab[theta];
      y1 = sinTab[theta + 262144];
      alpha = A[i + j];
      beta = A[i - j + 1024];
      beta1 = A[i + j + 1024] * y1 + A[i - j + 2048] * y0;
      beta2 = A[i + j + 1024] * y0 - A[i - j + 2048] * y1;
      theta += 512;
      A[i + j] = alpha + beta1;
      A[i + j + 1024] = alpha - beta1;
      A[i - j + 1024] = beta + beta2;
      A[i - j + 2048] = beta - beta2;
    }
  }
  for (i = 0; i < 1048576; i += 4096) {
    theta = 256;
    alpha = A[i];
    beta = A[i + 2048];
    A[i] = alpha + beta;
    A[i + 2048] = alpha - beta;
    alpha = A[i + 1024];
    beta = A[i + 3072];
    A[i + 1024] = alpha + beta;
    A[i + 3072] = alpha - beta;
    for (j = 1; j < 1024; j++) {
      y0 = sinTab[theta];
      y1 = sinTab[theta + 262144];
      alpha = A[i + j];
      beta = A[i - j + 2048];
      beta1 = A[i + j + 2048] * y1 + A[i - j + 4096] * y0;
      beta2 = A[i + j + 2048] * y0 - A[i - j + 4096] * y1;
      theta += 256;
      A[i + j] = alpha + beta1;
      A[i + j + 2048] = alpha - beta1;
      A[i - j + 2048] = beta + beta2;
      A[i - j + 4096] = beta - beta2;
    }
  }
  for (i = 0; i < 1048576; i += 8192) {
    theta = 128;
    alpha = A[i];
    beta = A[i + 4096];
    A[i] = alpha + beta;
    A[i + 4096] = alpha - beta;
    alpha = A[i + 2048];
    beta = A[i + 6144];
    A[i + 2048] = alpha + beta;
    A[i + 6144] = alpha - beta;
    for (j = 1; j < 2048; j++) {
      y0 = sinTab[theta];
      y1 = sinTab[theta + 262144];
      alpha = A[i + j];
      beta = A[i - j + 4096];
      beta1 = A[i + j + 4096] * y1 + A[i - j + 8192] * y0;
      beta2 = A[i + j + 4096] * y0 - A[i - j + 8192] * y1;
      theta += 128;
      A[i + j] = alpha + beta1;
      A[i + j + 4096] = alpha - beta1;
      A[i - j + 4096] = beta + beta2;
      A[i - j + 8192] = beta - beta2;
    }
  }
  for (i = 0; i < 1048576; i += 16384) {
    theta = 64;
    alpha = A[i];
    beta = A[i + 8192];
    A[i] = alpha + beta;
    A[i + 8192] = alpha - beta;
    alpha = A[i + 4096];
    beta = A[i + 12288];
    A[i + 4096] = alpha + beta;
    A[i + 12288] = alpha - beta;
    for (j = 1; j < 4096; j++) {
      y0 = sinTab[theta];
      y1 = sinTab[theta + 262144];
      alpha = A[i + j];
      beta = A[i - j + 8192];
      beta1 = A[i + j + 8192] * y1 + A[i - j + 16384] * y0;
      beta2 = A[i + j + 8192] * y0 - A[i - j + 16384] * y1;
      theta += 64;
      A[i + j] = alpha + beta1;
      A[i + j + 8192] = alpha - beta1;
      A[i - j + 8192] = beta + beta2;
      A[i - j + 16384] = beta - beta2;
    }
  }
  for (i = 0; i < 1048576; i += 32768) {
    theta = 32;
    alpha = A[i];
    beta = A[i + 16384];
    A[i] = alpha + beta;
    A[i + 16384] = alpha - beta;
    alpha = A[i + 8192];
    beta = A[i + 24576];
    A[i + 8192] = alpha + beta;
    A[i + 24576] = alpha - beta;
    for (j = 1; j < 8192; j++) {
      y0 = sinTab[theta];
      y1 = sinTab[theta + 262144];
      alpha = A[i + j];
      beta = A[i - j + 16384];
      beta1 = A[i + j + 16384] * y1 + A[i - j + 32768] * y0;
      beta2 = A[i + j + 16384] * y0 - A[i - j + 32768] * y1;
      theta += 32;
      A[i + j] = alpha + beta1;
      A[i + j + 16384] = alpha - beta1;
      A[i - j + 16384] = beta + beta2;
      A[i - j + 32768] = beta - beta2;
    }
  }
  for (i = 0; i < 1048576; i += 65536) {
    theta = 16;
    alpha = A[i];
    beta = A[i + 32768];
    A[i] = alpha + beta;
    A[i + 32768] = alpha - beta;
    alpha = A[i + 16384];
    beta = A[i + 49152];
    A[i + 16384] = alpha + beta;
    A[i + 49152] = alpha - beta;
    for (j = 1; j < 16384; j++) {
      y0 = sinTab[theta];
      y1 = sinTab[theta + 262144];
      alpha = A[i + j];
      beta = A[i - j + 32768];
      beta1 = A[i + j + 32768] * y1 + A[i - j + 65536] * y0;
      beta2 = A[i + j + 32768] * y0 - A[i - j + 65536] * y1;
      theta += 16;
      A[i + j] = alpha + beta1;
      A[i + j + 32768] = alpha - beta1;
      A[i - j + 32768] = beta + beta2;
      A[i - j + 65536] = beta - beta2;
    }
  }
  for (i = 0; i < 1048576; i += 131072) {
    theta = 8;
    alpha = A[i];
    beta = A[i + 65536];
    A[i] = alpha + beta;
    A[i + 65536] = alpha - beta;
    alpha = A[i + 32768];
    beta = A[i + 98304];
    A[i + 32768] = alpha + beta;
    A[i + 98304] = alpha - beta;
    for (j = 1; j < 32768; j++) {
      y0 = sinTab[theta];
      y1 = sinTab[theta + 262144];
      alpha = A[i + j];
      beta = A[i - j + 65536];
      beta1 = A[i + j + 65536] * y1 + A[i - j + 131072] * y0;
      beta2 = A[i + j + 65536] * y0 - A[i - j + 131072] * y1;
      theta += 8;
      A[i + j] = alpha + beta1;
      A[i + j + 65536] = alpha - beta1;
      A[i - j + 65536] = beta + beta2;
      A[i - j + 131072] = beta - beta2;
    }
  }
  for (i = 0; i < 1048576; i += 262144) {
    theta = 4;
    alpha = A[i];
    beta = A[i + 131072];
    A[i] = alpha + beta;
    A[i + 131072] = alpha - beta;
    alpha = A[i + 65536];
    beta = A[i + 196608];
    A[i + 65536] = alpha + beta;
    A[i + 196608] = alpha - beta;
    for (j = 1; j < 65536; j++) {
      y0 = sinTab[theta];
      y1 = sinTab[theta + 262144];
      alpha = A[i + j];
      beta = A[i - j + 131072];
      beta1 = A[i + j + 131072] * y1 + A[i - j + 262144] * y0;
      beta2 = A[i + j + 131072] * y0 - A[i - j + 262144] * y1;
      theta += 4;
      A[i + j] = alpha + beta1;
      A[i + j + 131072] = alpha - beta1;
      A[i - j + 131072] = beta + beta2;
      A[i - j + 262144] = beta - beta2;
    }
  }
  for (i = 0; i < 1048576; i += 524288) {
    theta = 2;
    alpha = A[i];
    beta = A[i + 262144];
    A[i] = alpha + beta;
    A[i + 262144] = alpha - beta;
    alpha = A[i + 131072];
    beta = A[i + 393216];
    A[i + 131072] = alpha + beta;
    A[i + 393216] = alpha - beta;
    for (j = 1; j < 131072; j++) {
      y0 = sinTab[theta];
      y1 = sinTab[theta + 262144];
      alpha = A[i + j];
      beta = A[i - j + 262144];
      beta1 = A[i + j + 262144] * y1 + A[i - j + 524288] * y0;
      beta2 = A[i + j + 262144] * y0 - A[i - j + 524288] * y1;
      theta += 2;
      A[i + j] = alpha + beta1;
      A[i + j + 262144] = alpha - beta1;
      A[i - j + 262144] = beta + beta2;
      A[i - j + 524288] = beta - beta2;
    }
  }
  theta = 1;
  alpha = A[0];
  beta = A[524288];
  A[0] = alpha + beta;
  A[524288] = alpha - beta;
  alpha = A[262144];
  beta = A[786432];
  A[262144] = alpha + beta;
  A[786432] = alpha - beta;
  for (j = 1; j < 262144; j++) {
    y0 = sinTab[theta];
    y1 = sinTab[theta + 262144];
    alpha = A[j];
    beta = A[-j + 524288];
    beta1 = A[j + 524288] * y1 + A[-j + 1048576] * y0;
    beta2 = A[j + 524288] * y0 - A[-j + 1048576] * y1;
    theta += 1;
    A[j] = alpha + beta1;
    A[j + 524288] = alpha - beta1;
    A[-j + 524288] = beta + beta2;
    A[-j + 1048576] = beta - beta2;
  }
}
```