user: 请从给定的汇编指令推导出C源代码:

```asm
<Lab3LoadInput>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  lea    D52(%rip),%rax
  mov    %rax,%rsi
  lea    D53(%rip),%rax
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L35
  lea    D15(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x1,%eax
  jmp    L4
L35:
  mov    -0x20(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  lea    D1(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fscanf@plt>
  mov    -0x20(%rbp),%rax
  mov    (%rax),%eax
  lea    0x1(%rax),%edx
  mov    -0x20(%rbp),%rax
  mov    (%rax),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <CreateMat@plt>
  mov    -0x18(%rbp),%rdx
  mov    %rax,(%rdx)
  movl   $0x0,-0x10(%rbp)
  jmp    L76
L25:
  movl   $0x0,-0xc(%rbp)
  jmp    L7
L63:
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0x10(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0xc(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rax,%rdx
  mov    -0x8(%rbp),%rax
  lea    D61(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fscanf@plt>
  addl   $0x1,-0xc(%rbp)
L7:
  mov    -0x20(%rbp),%rax
  mov    (%rax),%eax
  cmp    %eax,-0xc(%rbp)
  jl     L63
  mov    -0x8(%rbp),%rax
  lea    D25(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fscanf@plt>
  addl   $0x1,-0x10(%rbp)
L76:
  mov    -0x20(%rbp),%rax
  mov    (%rax),%eax
  cmp    %eax,-0x10(%rbp)
  jl     L25
  mov    -0x8(%rbp),%rax
  lea    D25(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fscanf@plt>
  movl   $0x0,-0x10(%rbp)
  jmp    L28
L42:
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0x10(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x20(%rbp),%rax
  mov    (%rax),%eax
  sub    $0x1,%eax
  cltq
  add    $0x1,%rax
  shl    $0x3,%rax
  add    %rax,%rdx
  mov    -0x8(%rbp),%rax
  lea    D70(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fscanf@plt>
  addl   $0x1,-0x10(%rbp)
L28:
  mov    -0x20(%rbp),%rax
  mov    (%rax),%eax
  cmp    %eax,-0x10(%rbp)
  jl     L42
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  mov    $0x0,%eax
L4:
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D52
type_infered: string
name: retrieve_data
arguments: tag: D53
type_infered: string
name: retrieve_data
arguments: tag: D15
type_infered: string
name: retrieve_data
arguments: tag: D1
type_infered: string
name: retrieve_data
arguments: tag: D61
type_infered: string
name: retrieve_data
arguments: tag: D25
type_infered: string
name: retrieve_data
arguments: tag: D70
type_infered: string

tool: D52: r

tool: D53: data_input

tool: D15: error opening the input data.


tool: D1: %d



tool: D61: %lf	

tool: D25: 


tool: D70: %lf


assistant: ```c
int Lab3LoadInput(double ***A, int *size) {
  FILE *ip;
  int i, j;
  if ((ip = fopen("data_input", "r")) == NULL) {
    printf("error opening the input data.\n");
    return 1;
  }
  fscanf(ip, "%d\n\n", size);
  (*A) = CreateMat(*size, (*size) + 1);
  for (i = 0; i < *size; ++i) {
    for (j = 0; j < *size; ++j)
      fscanf(ip, "%lf\t", &(*A)[i][j]);
    fscanf(ip, "\n");
  }
  fscanf(ip, "\n");
  for (i = 0; i < *size; ++i)
    fscanf(ip, "%lf\n", &(*A)[i][(*size - 1) + 1]);
  fclose(ip);
  return 0;
}
```