user: 这段汇编代码用C语言表示是什么样的:

```asm
<pca>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x60,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %rdx,-0x48(%rbp)
  mov    %rcx,-0x50(%rbp)
  mov    %r8,-0x58(%rbp)
  mov    %r9,-0x60(%rbp)
  mov    -0x38(%rbp),%rax
  mov    %rax,%rdi
  call   <nb_cols_lfmm@plt>
  mov    %eax,-0x28(%rbp)
  mov    -0x28(%rbp),%edx
  mov    -0x38(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <nb_lines@plt>
  mov    %eax,-0x24(%rbp)
  mov    0x10(%rbp),%rax
  mov    -0x28(%rbp),%edx
  mov    %edx,(%rax)
  mov    -0x60(%rbp),%rax
  mov    -0x24(%rbp),%edx
  mov    %edx,(%rax)
  mov    -0x24(%rbp),%eax
  cmp    -0x28(%rbp),%eax
  jge    L18
  mov    -0x24(%rbp),%eax
  mov    %eax,-0x2c(%rbp)
  jmp    L9
L18:
  mov    -0x28(%rbp),%eax
  mov    %eax,-0x2c(%rbp)
L9:
  mov    0x18(%rbp),%rax
  mov    (%rax),%eax
  test   %eax,%eax
  je     L12
  mov    0x18(%rbp),%rax
  mov    (%rax),%eax
  cmp    %eax,-0x2c(%rbp)
  jge    L65
L12:
  mov    0x18(%rbp),%rax
  mov    -0x2c(%rbp),%edx
  mov    %edx,(%rax)
L65:
  mov    0x18(%rbp),%rax
  mov    (%rax),%edx
  mov    -0x38(%rbp),%r8
  mov    0x28(%rbp),%edi
  mov    0x20(%rbp),%ecx
  mov    -0x28(%rbp),%esi
  mov    -0x24(%rbp),%eax
  push   -0x58(%rbp)
  push   -0x50(%rbp)
  push   -0x48(%rbp)
  push   -0x40(%rbp)
  mov    %r8,%r9
  mov    %edi,%r8d
  mov    %eax,%edi
  call   <print_summary_pca@plt>
  add    $0x20,%rsp
  mov    -0x24(%rbp),%eax
  imul   -0x28(%rbp),%eax
  cltq
  shl    $0x3,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x20(%rbp)
  mov    -0x24(%rbp),%eax
  imul   %eax,%eax
  cltq
  shl    $0x3,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x18(%rbp)
  mov    -0x24(%rbp),%eax
  cltq
  shl    $0x3,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x10(%rbp)
  mov    0x18(%rbp),%rax
  mov    (%rax),%eax
  imul   -0x24(%rbp),%eax
  cltq
  shl    $0x3,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x20(%rbp),%rcx
  mov    -0x28(%rbp),%edx
  mov    -0x24(%rbp),%esi
  mov    -0x38(%rbp),%rax
  mov    %rax,%rdi
  call   <read_data_double@plt>
  cmpl   $0x0,0x28(%rbp)
  je     L54
  mov    -0x28(%rbp),%edx
  mov    -0x24(%rbp),%ecx
  mov    -0x20(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <normalize_cov_I@plt>
  jmp    L24
L54:
  cmpl   $0x0,0x20(%rbp)
  je     L24
  mov    -0x28(%rbp),%edx
  mov    -0x24(%rbp),%ecx
  mov    -0x20(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <normalize_mean_I@plt>
L24:
  mov    -0x18(%rbp),%rcx
  mov    -0x28(%rbp),%edx
  mov    -0x24(%rbp),%esi
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <calc_cov@plt>
  mov    0x18(%rbp),%rax
  mov    (%rax),%edx
  mov    -0x8(%rbp),%rdi
  mov    -0x10(%rbp),%rcx
  mov    -0x24(%rbp),%esi
  mov    -0x18(%rbp),%rax
  mov    %rdi,%r8
  mov    %rax,%rdi
  call   <diagonalize@plt>
  mov    -0x10(%rbp),%rdx
  mov    -0x24(%rbp),%esi
  mov    -0x40(%rbp),%rax
  mov    %rdx,%rcx
  mov    $0x1,%edx
  mov    %rax,%rdi
  call   <write_data_double@plt>
  mov    0x18(%rbp),%rax
  mov    (%rax),%edx
  mov    -0x8(%rbp),%rcx
  mov    -0x24(%rbp),%esi
  mov    -0x48(%rbp),%rax
  mov    %rax,%rdi
  call   <write_data_double@plt>
  mov    -0x24(%rbp),%edx
  mov    -0x10(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <calc_sdev@plt>
  mov    -0x10(%rbp),%rdx
  mov    -0x24(%rbp),%esi
  mov    -0x50(%rbp),%rax
  mov    %rdx,%rcx
  mov    $0x1,%edx
  mov    %rax,%rdi
  call   <write_data_double@plt>
  mov    0x18(%rbp),%rax
  mov    (%rax),%ecx
  mov    -0x24(%rbp),%edx
  mov    -0x10(%rbp),%rsi
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <calc_x@plt>
  mov    0x18(%rbp),%rax
  mov    (%rax),%edx
  mov    -0x8(%rbp),%rcx
  mov    -0x24(%rbp),%esi
  mov    -0x58(%rbp),%rax
  mov    %rax,%rdi
  call   <write_data_double@plt>
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  nop
  leave
  ret
```

assistant: ```c
void pca(char *input_file, char *output_eva_file, char *output_eve_file, char *output_sdev_file, char *output_x_file, int *n, int *L, int *K, int c, int s) {
  double *data;
  double *cov, *val, *vect;
  int N, M, tmp;
  M = nb_cols_lfmm(input_file);
  N = nb_lines(input_file, M);
  *L = M;
  *n = N;
  if (N < M)
    tmp = N;
  else
    tmp = M;
  if (!(*K) || *K > tmp)
    *K = tmp;
  print_summary_pca(N, M, *K, c, s, input_file, output_eva_file, output_eve_file, output_sdev_file, output_x_file);
  data = (double *)malloc(N * M * sizeof(double));
  cov = (double *)malloc(N * N * sizeof(double));
  val = (double *)malloc(N * sizeof(double));
  vect = (double *)malloc(N * (*K) * sizeof(double));
  read_data_double(input_file, N, M, data);
  if (s)
    normalize_cov_I(data, N, M);
  else if (c)
    normalize_mean_I(data, N, M);
  calc_cov(data, N, M, cov);
  diagonalize(cov, N, *K, val, vect);
  write_data_double(output_eva_file, N, 1, val);
  write_data_double(output_eve_file, N, *K, vect);
  calc_sdev(val, N);
  write_data_double(output_sdev_file, N, 1, val);
  calc_x(vect, val, N, *K);
  write_data_double(output_x_file, N, *K, vect);
  free(data);
  free(cov);
  free(val);
  free(vect);
}
```