user: 这段汇编代码用C语言表示是什么样的：

```asm
<ln_comb>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %esi,-0x8(%rbp)
  mov    -0x8(%rbp),%eax
  cmp    -0x4(%rbp),%eax
  je     L142
  cmpl   $0x0,-0x8(%rbp)
  jne    L202
L142:
  pxor   %xmm0,%xmm0
  jmp    L105
L202:
  mov    -0x4(%rbp),%eax
  sub    -0x8(%rbp),%eax
  mov    %eax,%eax
  test   %rax,%rax
  js     L103
  pxor   %xmm4,%xmm4
  cvtsi2sd %rax,%xmm4
  movsd  %xmm4,-0x10(%rbp)
  jmp    L39
L103:
  mov    %rax,%rdx
  shr    %rdx
  and    $0x1,%eax
  or     %rax,%rdx
  pxor   %xmm0,%xmm0
  cvtsi2sd %rdx,%xmm0
  addsd  %xmm0,%xmm0
  movsd  %xmm0,-0x10(%rbp)
L39:
  mov    -0x4(%rbp),%eax
  test   %rax,%rax
  js     L19
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  jmp    L186
L19:
  mov    %rax,%rdx
  shr    %rdx
  and    $0x1,%eax
  or     %rax,%rdx
  pxor   %xmm0,%xmm0
  cvtsi2sd %rdx,%xmm0
  addsd  %xmm0,%xmm0
L186:
  mov    -0x4(%rbp),%eax
  sub    -0x8(%rbp),%eax
  mov    %eax,%eax
  test   %rax,%rax
  js     L117
  pxor   %xmm1,%xmm1
  cvtsi2sd %rax,%xmm1
  jmp    L141
L117:
  mov    %rax,%rdx
  shr    %rdx
  and    $0x1,%eax
  or     %rax,%rdx
  pxor   %xmm1,%xmm1
  cvtsi2sd %rdx,%xmm1
  addsd  %xmm1,%xmm1
L141:
  divsd  %xmm1,%xmm0
  cvttsd2si %xmm0,%eax
  mov    %eax,%edi
  call   <log@plt>
  mulsd  -0x10(%rbp),%xmm0
  movsd  %xmm0,-0x18(%rbp)
  mov    -0x8(%rbp),%eax
  test   %rax,%rax
  js     L1
  pxor   %xmm6,%xmm6
  cvtsi2sd %rax,%xmm6
  movsd  %xmm6,-0x10(%rbp)
  jmp    L122
L1:
  mov    %rax,%rdx
  shr    %rdx
  and    $0x1,%eax
  or     %rax,%rdx
  pxor   %xmm0,%xmm0
  cvtsi2sd %rdx,%xmm0
  addsd  %xmm0,%xmm0
  movsd  %xmm0,-0x10(%rbp)
L122:
  mov    -0x4(%rbp),%eax
  test   %rax,%rax
  js     L170
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  jmp    L258
L170:
  mov    %rax,%rdx
  shr    %rdx
  and    $0x1,%eax
  or     %rax,%rdx
  pxor   %xmm0,%xmm0
  cvtsi2sd %rdx,%xmm0
  addsd  %xmm0,%xmm0
L258:
  mov    -0x8(%rbp),%eax
  test   %rax,%rax
  js     L92
  pxor   %xmm1,%xmm1
  cvtsi2sd %rax,%xmm1
  jmp    L102
L92:
  mov    %rax,%rdx
  shr    %rdx
  and    $0x1,%eax
  or     %rax,%rdx
  pxor   %xmm1,%xmm1
  cvtsi2sd %rdx,%xmm1
  addsd  %xmm1,%xmm1
L102:
  divsd  %xmm1,%xmm0
  cvttsd2si %xmm0,%eax
  mov    %eax,%edi
  call   <log@plt>
  mulsd  -0x10(%rbp),%xmm0
  addsd  -0x18(%rbp),%xmm0
  movsd  %xmm0,-0x10(%rbp)
  mov    -0x8(%rbp),%eax
  test   %rax,%rax
  js     L28
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  jmp    L76
L28:
  mov    %rax,%rdx
  shr    %rdx
  and    $0x1,%eax
  or     %rax,%rdx
  pxor   %xmm0,%xmm0
  cvtsi2sd %rdx,%xmm0
  addsd  %xmm0,%xmm0
L76:
  movsd  D4(%rip),%xmm1
  mulsd  %xmm0,%xmm1
  mov    -0x4(%rbp),%eax
  sub    -0x8(%rbp),%eax
  mov    %eax,%eax
  test   %rax,%rax
  js     L44
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  jmp    L49
L44:
  mov    %rax,%rdx
  shr    %rdx
  and    $0x1,%eax
  or     %rax,%rdx
  pxor   %xmm0,%xmm0
  cvtsi2sd %rdx,%xmm0
  addsd  %xmm0,%xmm0
L49:
  mulsd  %xmm0,%xmm1
  mov    -0x4(%rbp),%eax
  test   %rax,%rax
  js     L104
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  jmp    L204
L104:
  mov    %rax,%rdx
  shr    %rdx
  and    $0x1,%eax
  or     %rax,%rdx
  pxor   %xmm0,%xmm0
  cvtsi2sd %rdx,%xmm0
  addsd  %xmm0,%xmm0
L204:
  divsd  %xmm0,%xmm1
  cvttsd2si %xmm1,%eax
  mov    %eax,%edi
  call   <log@plt>
  movsd  D7(%rip),%xmm1
  mulsd  %xmm1,%xmm0
  movsd  -0x10(%rbp),%xmm3
  subsd  %xmm0,%xmm3
  mov    -0x4(%rbp),%eax
  test   %rax,%rax
  js     L227
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  jmp    L79
L227:
  mov    %rax,%rdx
  shr    %rdx
  and    $0x1,%eax
  or     %rax,%rdx
  pxor   %xmm0,%xmm0
  cvtsi2sd %rdx,%xmm0
  addsd  %xmm0,%xmm0
L79:
  movsd  D17(%rip),%xmm1
  divsd  %xmm0,%xmm1
  mov    -0x4(%rbp),%eax
  sub    -0x8(%rbp),%eax
  mov    %eax,%eax
  test   %rax,%rax
  js     L26
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  jmp    L95
L26:
  mov    %rax,%rdx
  shr    %rdx
  and    $0x1,%eax
  or     %rax,%rdx
  pxor   %xmm0,%xmm0
  cvtsi2sd %rdx,%xmm0
  addsd  %xmm0,%xmm0
L95:
  movsd  D17(%rip),%xmm2
  divsd  %xmm0,%xmm2
  subsd  %xmm2,%xmm1
  mov    -0x8(%rbp),%eax
  test   %rax,%rax
  js     L27
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  jmp    L112
L27:
  mov    %rax,%rdx
  shr    %rdx
  and    $0x1,%eax
  or     %rax,%rdx
  pxor   %xmm0,%xmm0
  cvtsi2sd %rdx,%xmm0
  addsd  %xmm0,%xmm0
L112:
  movsd  D17(%rip),%xmm2
  divsd  %xmm0,%xmm2
  subsd  %xmm2,%xmm1
  movsd  D49(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  addsd  %xmm3,%xmm0
L105:
  movq   %xmm0,%rax
  movq   %rax,%xmm0
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: data_tag: D4
type_infered: byte[8]
name: retrieve_data
arguments: data_tag: D7
type_infered: f64
name: retrieve_data
arguments: data_tag: D17
type_infered: f64
name: retrieve_data
arguments: data_tag: D49
type_infered: byte[8]

tool: {"D4": [0x4a,0xd8,0x12,0x4d,0xfb,0x21,0x19,0x40]}

tool: D7: 0.5

tool: D17: 1

tool: {"D49": [0x55,0x55,0x55,0x55,0x55,0x55,0xb5,0x3f]}

assistant: ```c
double ln_comb(unsigned int n, unsigned int r) {
  if (r == n || r == 0)
    return 0;
  return (n - r) * log((double)n / (n - r)) + r * log((double)n / r) - 0.5 * log(2 * 3.1415926 * r * (n - r) / n) + 1.0 / 12 * (1.0 / n - 1.0 / (n - r) - 1.0 / r);
}
```