user: 这段汇编代码用C语言表示是什么样的:

```asm
<Branch_lengthMVR>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x60,%rsp
  mov    %edi,-0x34(%rbp)
  mov    %esi,-0x38(%rbp)
  mov    %rdx,-0x40(%rbp)
  mov    %rcx,-0x48(%rbp)
  mov    %r8,-0x50(%rbp)
  mov    %r9d,-0x54(%rbp)
  mov    -0x54(%rbp),%ecx
  mov    -0x50(%rbp),%rdx
  mov    -0x38(%rbp),%esi
  mov    -0x34(%rbp),%eax
  mov    %eax,%edi
  call   <mu@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x10(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x18(%rbp)
  movsd  -0x18(%rbp),%xmm0
  movsd  %xmm0,-0x20(%rbp)
  movl   $0x1,-0x24(%rbp)
  jmp    L30
L29:
  mov    -0x50(%rbp),%rdx
  mov    -0x24(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <Emptied@plt>
  test   %eax,%eax
  jne    L38
  mov    -0x24(%rbp),%eax
  cmp    -0x34(%rbp),%eax
  je     L38
  mov    -0x24(%rbp),%eax
  cmp    -0x38(%rbp),%eax
  je     L38
  mov    -0x10(%rbp),%rdi
  mov    -0x50(%rbp),%rcx
  mov    -0x24(%rbp),%edx
  mov    -0x38(%rbp),%esi
  mov    -0x34(%rbp),%eax
  movq   %rdi,%xmm0
  mov    %eax,%edi
  call   <WeightMVR@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x50(%rbp),%rdx
  mov    -0x38(%rbp),%ecx
  mov    -0x34(%rbp),%eax
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <Distance@plt>
  movsd  %xmm0,-0x60(%rbp)
  mov    -0x50(%rbp),%rdx
  mov    -0x24(%rbp),%ecx
  mov    -0x34(%rbp),%eax
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <Distance@plt>
  movapd %xmm0,%xmm2
  addsd  -0x60(%rbp),%xmm2
  movsd  %xmm2,-0x60(%rbp)
  mov    -0x50(%rbp),%rdx
  mov    -0x24(%rbp),%ecx
  mov    -0x38(%rbp),%eax
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <Distance@plt>
  movapd %xmm0,%xmm1
  movsd  -0x60(%rbp),%xmm0
  subsd  %xmm1,%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x20(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x20(%rbp)
  mov    -0x50(%rbp),%rdx
  mov    -0x38(%rbp),%ecx
  mov    -0x34(%rbp),%eax
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <Distance@plt>
  movsd  %xmm0,-0x60(%rbp)
  mov    -0x50(%rbp),%rdx
  mov    -0x24(%rbp),%ecx
  mov    -0x38(%rbp),%eax
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <Distance@plt>
  movapd %xmm0,%xmm3
  addsd  -0x60(%rbp),%xmm3
  movsd  %xmm3,-0x60(%rbp)
  mov    -0x50(%rbp),%rdx
  mov    -0x24(%rbp),%ecx
  mov    -0x34(%rbp),%eax
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <Distance@plt>
  movapd %xmm0,%xmm1
  movsd  -0x60(%rbp),%xmm0
  subsd  %xmm1,%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x18(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x18(%rbp)
L38:
  addl   $0x1,-0x24(%rbp)
L30:
  mov    -0x24(%rbp),%eax
  cmp    -0x54(%rbp),%eax
  jle    L29
  mov    -0x40(%rbp),%rax
  movsd  -0x20(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x48(%rbp),%rax
  movsd  -0x18(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  nop
  leave
  ret
```

assistant: ```c
void Branch_lengthMVR(int a, int b, double *la, double *lb, double **delta, int n) {
  int i;
  double Dxu, Dyu, Wi, u;
  u = mu(a, b, delta, n);
  Dxu = Dyu = 0;
  for (i = 1; i <= n; i++) {
    if (!Emptied(i, delta) && (i != a) && (i != b)) {
      Wi = WeightMVR(a, b, i, delta, u);
      Dxu = Dxu + (Wi * (Distance(a, b, delta) + Distance(a, i, delta) - Distance(b, i, delta)));
      Dyu = Dyu + (Wi * (Distance(a, b, delta) + Distance(b, i, delta) - Distance(a, i, delta)));
    }
  }
  *la = Dxu;
  *lb = Dyu;
  return;
}
```