user: What would the C source look like for the assembly code provided here?

```asm
<quaddobl_Littlewood_Richardson_homotopies>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x88,%rsp
  mov    %edi,-0x64(%rbp)
  mov    %esi,-0x68(%rbp)
  mov    %edx,-0x6c(%rbp)
  mov    %rcx,-0x78(%rbp)
  mov    %r8d,-0x70(%rbp)
  mov    %r9d,-0x7c(%rbp)
  mov    0x18(%rbp),%rax
  mov    %rax,-0x88(%rbp)
  mov    0x20(%rbp),%rax
  mov    %rax,-0x90(%rbp)
  mov    0x28(%rbp),%rax
  mov    %rax,-0x98(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x28(%rbp)
  xor    %eax,%eax
  mov    %rsp,%rax
  mov    %rax,%rbx
  mov    -0x6c(%rbp),%eax
  sub    $0x2,%eax
  imul   -0x64(%rbp),%eax
  imul   -0x64(%rbp),%eax
  shl    $0x3,%eax
  add    $0x1,%eax
  mov    %eax,-0x58(%rbp)
  mov    -0x58(%rbp),%eax
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x50(%rbp)
  movslq %eax,%rdx
  mov    %rdx,%r12
  mov    $0x0,%r13d
  movslq %eax,%rdx
  mov    %rdx,%r10
  mov    $0x0,%r11d
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    $0x10,%eax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    $0x10,%esi
  mov    $0x0,%edx
  div    %rsi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L41:
  cmp    %rdx,%rsp
  je     L22
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L41
L22:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L60
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L60:
  mov    %rsp,%rax
  add    $0x7,%rax
  shr    $0x3,%rax
  shl    $0x3,%rax
  mov    %rax,-0x48(%rbp)
  mov    -0x64(%rbp),%eax
  mov    %eax,-0x40(%rbp)
  mov    -0x68(%rbp),%eax
  mov    %eax,-0x3c(%rbp)
  mov    -0x6c(%rbp),%eax
  mov    %eax,-0x38(%rbp)
  mov    -0x70(%rbp),%eax
  mov    %eax,-0x34(%rbp)
  mov    -0x7c(%rbp),%eax
  mov    %eax,-0x30(%rbp)
  mov    0x10(%rbp),%eax
  mov    %eax,-0x2c(%rbp)
  movl   $0x0,-0x5c(%rbp)
  jmp    L61
L17:
  mov    -0x5c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x88(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  mov    -0x48(%rbp),%rax
  mov    -0x5c(%rbp),%edx
  movslq %edx,%rdx
  movsd  %xmm0,(%rax,%rdx,8)
  addl   $0x1,-0x5c(%rbp)
L61:
  mov    -0x5c(%rbp),%eax
  cmp    0x10(%rbp),%eax
  jl     L17
  mov    -0x48(%rbp),%rcx
  mov    -0x78(%rbp),%rdx
  lea    -0x40(%rbp),%rax
  mov    %rax,%rsi
  mov    $0xb5,%edi
  call   <_ada_use_c2phc@plt>
  mov    %eax,-0x54(%rbp)
  mov    -0x48(%rbp),%rax
  movsd  (%rax),%xmm0
  cvttsd2si %xmm0,%edx
  mov    -0x90(%rbp),%rax
  mov    %edx,(%rax)
  movl   $0x1,-0x5c(%rbp)
  jmp    L11
L42:
  mov    -0x5c(%rbp),%eax
  cltq
  shl    $0x3,%rax
  lea    -0x8(%rax),%rdx
  mov    -0x98(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x48(%rbp),%rax
  mov    -0x5c(%rbp),%edx
  movslq %edx,%rdx
  movsd  (%rax,%rdx,8),%xmm0
  movsd  %xmm0,(%rcx)
  addl   $0x1,-0x5c(%rbp)
L11:
  mov    -0x5c(%rbp),%eax
  cmp    -0x58(%rbp),%eax
  jl     L42
  mov    -0x54(%rbp),%eax
  mov    %rbx,%rsp
  mov    -0x28(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L28
  call   <__stack_chk_fail@plt>
L28:
  lea    -0x18(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %rbp
  ret
```

assistant: ```c
int quaddobl_Littlewood_Richardson_homotopies(int n, int k, int c, int *brackets, int verbose, int verify, int nbchar, char *filename, int *r, double *flags) {
  int fail, i;
  int size = 8 * (c - 2) * n * n + 1;
  double rc[size];
  int dim[6];
  dim[0] = n;
  dim[1] = k;
  dim[2] = c;
  dim[3] = verbose;
  dim[4] = verify;
  dim[5] = nbchar;
  for (i = 0; i < nbchar; i++)
    rc[i] = (double)filename[i];
  fail = _ada_use_c2phc(181, dim, brackets, rc);
  (*r) = (int)rc[0];
  for (i = 1; i < size; i++)
    flags[i - 1] = rc[i];
  return fail;
}
```