user: 下面的汇编指令对应的C源代码是什么：

```asm
<prob2>:
  endbr64
  sub    $0x78,%rsp
  lea    D16(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x68(%rsp)
  xor    %eax,%eax
  call   <system@plt>
  mov    D63(%rip),%rax
  mov    %rsp,%rdx
  movsd  D56(%rip),%xmm0
  pxor   %xmm1,%xmm1
  movsd  D31(%rip),%xmm2
  lea    0x60(%rsp),%rcx
  movsd  D0(%rip),%xmm3
  mov    %rax,0x30(%rsp)
  mov    D8(%rip),%rax
  movsd  %xmm0,0x20(%rsp)
  mov    %rax,0x38(%rsp)
  mov    D101(%rip),%rax
  movsd  %xmm0,0x58(%rsp)
  movapd %xmm1,%xmm0
  mov    %rax,0x40(%rsp)
  mov    D85(%rip),%rax
  mov    %rax,0x48(%rsp)
  mov    D45(%rip),%rax
  mov    %rax,0x50(%rsp)
  mov    D73(%rip),%rax
  mov    %rax,0x8(%rsp)
  mov    D36(%rip),%rax
  mov    %rax,0x10(%rsp)
  mov    D51(%rip),%rax
  mov    %rax,0x18(%rsp)
  lea    0x20(%rsp),%rax
L13:
  movsd  (%rax),%xmm4
  mulsd  %xmm3,%xmm2
  add    $0x10,%rax
  add    $0x8,%rdx
  mulsd  %xmm3,%xmm4
  addsd  %xmm2,%xmm1
  addsd  %xmm4,%xmm0
  cmp    %rcx,%rax
  je     L4
  movsd  (%rdx),%xmm3
  movsd  0x8(%rax),%xmm2
  jmp    L13
  nopl   0x0(%rax)
L4:
  movsd  D102(%rip),%xmm2
  lea    D113(%rip),%rdi
  divsd  %xmm2,%xmm0
  divsd  %xmm2,%xmm1
  call   <printf@plt>
  mov    0x68(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L24
  xor    %eax,%eax
  add    $0x78,%rsp
  jmp    10b0 <pause@plt>
L24:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D16
data_type: string
name: retrieve_data
arguments: tag: D63
data_type: f64
name: retrieve_data
arguments: tag: D56
data_type: f64
name: retrieve_data
arguments: tag: D31
data_type: f32[2]
name: retrieve_data
arguments: tag: D0
data_type: f32[2]
name: retrieve_data
arguments: tag: D8
data_type: f64
name: retrieve_data
arguments: tag: D101
data_type: f32[2]
name: retrieve_data
arguments: tag: D85
data_type: f64
name: retrieve_data
arguments: tag: D45
data_type: f32[2]
name: retrieve_data
arguments: tag: D73
data_type: byte[8]
name: retrieve_data
arguments: tag: D36
data_type: byte[8]
name: retrieve_data
arguments: tag: D51
data_type: byte[8]
name: retrieve_data
arguments: tag: D102
data_type: byte[8]
name: retrieve_data
arguments: tag: D113
data_type: string

tool: D16: clear

tool: D63: 4

tool: D56: 5

tool: {"D31": [0.0,-2.25]}

tool: {"D0": [0.0,1.625]}

tool: D8: 3

tool: {"D101": [0.0,-1.875]}

tool: D85: 6

tool: {"D45": [0.0,-2.53125]}

tool: {"D73": [0x3d,0x0a,0xd7,0xa3,0x70,0x3d,0xe2,0x3f]}

tool: {"D36": [0x29,0x5c,0x8f,0xc2,0xf5,0x28,0xe4,0x3f]}

tool: {"D51": [0x9a,0x99,0x99,0x99,0x99,0x99,0xb9,0x3f]}

tool: {"D102": [0xcd,0xcc,0xcc,0xcc,0xcc,0xcc,0xf8,0x3f]}

tool: D113: Centroid = %.2lf, %.2lf

assistant: ```c
void prob2(void) {
  system("clear");
  int loop;
  double centroidx = 0;
  double centroidy = 0;
  double intensitytotal = 0;
  double pixel[][2] = {5.0, -4.0, 4.0, 3.0, -1.0, 6.0, -9.0, 5.0};
  double intensity[] = {.25, .57, .63, .1};
  for (loop = 0; loop <= 3; loop++) {
    centroidx += (pixel[loop][0] * intensity[loop]);
    centroidy += (pixel[loop][1] * intensity[loop]);
  }
  for (loop = 0; loop <= 3; loop++) {
    intensitytotal += intensity[loop];
  }
  centroidx /= intensitytotal;
  centroidy /= intensitytotal;
  printf("Centroid = %.2lf, %.2lf", centroidx, centroidy);
  pause();
}
```