user: Please show me the C implementation that matches the assembly code listed below:

```asm
<cpu2norm_dd_in_c>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x70,%rsp
  mov    %edi,-0x54(%rbp)
  mov    %rsi,-0x60(%rbp)
  mov    %rdx,-0x68(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x54(%rbp),%eax
  mov    %eax,%esi
  lea    D7(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    D16(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x40(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x38(%rbp)
  movl   $0x0,-0x44(%rbp)
  jmp    L1
L2:
  mov    -0x44(%rbp),%eax
  shl    $0x2,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x60(%rbp),%rax
  add    %rdx,%rax
  mov    $0x20,%esi
  mov    %rax,%rdi
  call   <dd_write@plt>
  lea    D18(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    -0x44(%rbp),%eax
  shl    $0x2,%eax
  cltq
  add    $0x2,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x60(%rbp),%rax
  add    %rdx,%rax
  mov    $0x20,%esi
  mov    %rax,%rdi
  call   <dd_write@plt>
  mov    $0xa,%edi
  call   <putchar@plt>
  mov    -0x44(%rbp),%eax
  shl    $0x2,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x60(%rbp),%rax
  add    %rax,%rdx
  lea    -0x30(%rbp),%rax
  mov    %rax,%rsi
  mov    %rdx,%rdi
  call   <dd_copy@plt>
  lea    -0x30(%rbp),%rdx
  lea    -0x30(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <dd_sqr@plt>
  mov    -0x44(%rbp),%eax
  shl    $0x2,%eax
  cltq
  add    $0x2,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x60(%rbp),%rax
  add    %rax,%rdx
  lea    -0x20(%rbp),%rax
  mov    %rax,%rsi
  mov    %rdx,%rdi
  call   <dd_copy@plt>
  lea    -0x20(%rbp),%rdx
  lea    -0x20(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <dd_sqr@plt>
  lea    -0x20(%rbp),%rdx
  lea    -0x30(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <dd_inc@plt>
  lea    -0x30(%rbp),%rdx
  lea    -0x40(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <dd_inc@plt>
  addl   $0x1,-0x44(%rbp)
L1:
  mov    -0x44(%rbp),%eax
  cmp    -0x54(%rbp),%eax
  jl     L2
  lea    D36(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0x40(%rbp),%rax
  mov    $0x20,%esi
  mov    %rax,%rdi
  call   <dd_write@plt>
  mov    $0xa,%edi
  call   <putchar@plt>
  movsd  -0x40(%rbp),%xmm0
  mov    -0x68(%rbp),%rax
  movsd  %xmm0,(%rax)
  mov    -0x68(%rbp),%rax
  add    $0x8,%rax
  movsd  -0x38(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L16
  call   <__stack_chk_fail@plt>
L16:
  leave
  ret
```

tool_calls: name: read_data
arguments: data_tag: D7
type_infered: string
name: read_data
arguments: data_tag: D16
type_infered: string
name: read_data
arguments: data_tag: D18
type_infered: string
name: read_data
arguments: data_tag: D36
type_infered: string

tool: D7: The C function received as dimension %d


tool: D16: The components of the vector :

tool: D18:   

tool: D36: The square of the 2-norm is 

assistant: ```c
int cpu2norm_dd_in_c(int n, double *x, double *nrm) {
  int i;
  double dd_nrm[2], re_acc[2], im_acc[2];
  printf("The C function received as dimension %d\n", n);
  printf("The components of the vector :\n");
  dd_nrm[0] = 0.0;
  dd_nrm[1] = 0.0;
  for (i = 0; i < n; i++) {
    dd_write(&x[4 * i], 32);
    printf("  ");
    dd_write(&x[4 * i + 2], 32);
    printf("\n");
    dd_copy(&x[4 * i], re_acc);
    dd_sqr(re_acc, re_acc);
    dd_copy(&x[4 * i + 2], im_acc);
    dd_sqr(im_acc, im_acc);
    dd_inc(re_acc, im_acc);
    dd_inc(dd_nrm, re_acc);
  }
  printf("The square of the 2-norm is ");
  dd_write(dd_nrm, 32);
  printf("\n");
  nrm[0] = dd_nrm[0];
  nrm[1] = dd_nrm[1];
  return 0;
}
```