user: Translate the below assembly code into C programming language:

```asm
<mp_squ>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %edi,%ebp
  mov    %esi,0x18(%rsp)
  mov    %rdx,%r13
  mov    %rcx,0x10(%rsp)
  mov    %r8,0x8(%rsp)
  mov    %r9d,%r12d
  mov    0x60(%rsp),%r15
  mov    %r9d,%ebx
  sar    %ebx
  add    $0x1,%ebx
  cmp    %edi,%ebx
  jge    L25
  movslq %ebx,%rax
L18:
  mov    %eax,%ebx
  cmpw   $0x0,0x8(%r13,%rax,2)
  jne    L25
  lea    0x1(%rax),%ebx
  add    $0x1,%rax
  cmp    %eax,%ebp
  jg     L18
L25:
  mov    %ebp,%r14d
  shr    $0x1f,%r14d
  add    %ebp,%r14d
  sar    %r14d
  add    $0x1,%r14d
  mov    %ebp,%eax
  sub    %ebx,%eax
  cmp    %eax,%r14d
  cmovge %r14d,%eax
  mov    %eax,0x1c(%rsp)
  mov    %r15,%r9
  mov    %r13,%r8
  mov    $0x0,%ecx
  mov    %r12d,%edx
  mov    0x18(%rsp),%esi
  mov    %ebp,%edi
  call   <mp_mul_i2d@plt>
  lea    0x8(%r15),%r14
  mov    %r14,%rdx
  mov    $0x1,%esi
  mov    %r12d,%edi
  call   <rdft@plt>
  lea    0x10(,%r12,8),%edi
  mov    %r15,%rdx
  lea    D22(%rip),%rsi
  call   <f_swap_out@plt>
  mov    %r15,%rsi
  mov    %r12d,%edi
  call   <mp_mul_csqu@plt>
  mov    %r14,%rdx
  mov    $0xffffffff,%esi
  mov    %r12d,%edi
  call   <rdft@plt>
  mov    0x8(%rsp),%r8
  mov    %r15,%rcx
  mov    %r12d,%edx
  mov    0x18(%rsp),%esi
  mov    %ebp,%edi
  call   <mp_mul_d2i@plt>
  mov    %r15,%r9
  mov    %r13,%r8
  mov    %ebx,%ecx
  mov    %r12d,%edx
  mov    0x18(%rsp),%ebx
  mov    %ebx,%esi
  mov    %ebp,%edi
  call   <mp_mul_i2d@plt>
  mov    %r14,%rdx
  mov    $0x1,%esi
  mov    %r12d,%edi
  call   <rdft@plt>
  mov    %r15,%rdx
  lea    D22(%rip),%rsi
  mov    %r12d,%edi
  call   <mp_mul_f_cmul@plt>
  mov    %r14,%rdx
  mov    $0xffffffff,%esi
  mov    %r12d,%edi
  call   <rdft@plt>
  mov    0x10(%rsp),%r14
  mov    %r14,%r8
  mov    %r15,%rcx
  mov    %r12d,%edx
  mov    %ebx,%esi
  mov    0x1c(%rsp),%r15d
  mov    %r15d,%edi
  call   <mp_mul_d2i@plt>
  cmpl   $0x0,(%r14)
  je     L13
  mov    %r14,%r8
  mov    %r14,%rcx
  mov    %r14,%rdx
  mov    %ebx,%esi
  mov    %r15d,%edi
  call   <mp_add@plt>
  mov    %r14,%r8
  mov    0x8(%rsp),%rcx
  mov    %r14,%rdx
  mov    %ebx,%esi
  mov    %ebp,%edi
  call   <mp_add@plt>
L38:
  lea    D22(%rip),%rdi
  call   <remove@plt>
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L13:
  mov    0x10(%rsp),%rcx
  mov    0x8(%rsp),%rdx
  mov    0x18(%rsp),%esi
  mov    %ebp,%edi
  call   <mp_copy@plt>
  jmp    L38
```

tool_calls: name: retrieve_data
arguments: data_label: D22
type_infered: string

tool: D22: tmp1fft.swp

assistant: ```c
void mp_squ(int n, int radix, int in[], int out[], int tmp[], int nfft, double tmpfft[]) {
  void f_swap_out(int bytesize, char *f_name, char *out);
  void mp_copy(int n, int radix, int in[], int out[]);
  void mp_add(int n, int radix, int in1[], int in2[], int out[]);
  void rdft(int n, int isgn, double *a);
  void mp_mul_i2d(int n, int radix, int nfft, int shift, int in[], double dout[]);
  void mp_mul_f_cmul(int nfft, char *f_name_in, double dinout[]);
  void mp_mul_csqu(int nfft, double dinout[]);
  void mp_mul_d2i(int n, int radix, int nfft, double din[], int out[]);
  int n_h, shift;
  char *f_name_tmp1fft = "tmp1fft.swp";
  short int *indgt;
  indgt = (short int *)&in[2];
  shift = (nfft >> 1) + 1;
  while (n > shift) {
    if (indgt[shift] != 0) {
      break;
    }
    shift++;
  }
  n_h = n / 2 + 1;
  if (n_h < n - shift) {
    n_h = n - shift;
  }
  mp_mul_i2d(n, radix, nfft, 0, in, tmpfft);
  rdft(nfft, 1, &tmpfft[1]);
  f_swap_out((nfft + 2) * sizeof(double), f_name_tmp1fft, (char *)tmpfft);
  mp_mul_csqu(nfft, tmpfft);
  rdft(nfft, -1, &tmpfft[1]);
  mp_mul_d2i(n, radix, nfft, tmpfft, tmp);
  mp_mul_i2d(n, radix, nfft, shift, in, tmpfft);
  rdft(nfft, 1, &tmpfft[1]);
  mp_mul_f_cmul(nfft, f_name_tmp1fft, tmpfft);
  rdft(nfft, -1, &tmpfft[1]);
  mp_mul_d2i(n_h, radix, nfft, tmpfft, out);
  if (out[0] != 0) {
    mp_add(n_h, radix, out, out, out);
    mp_add(n, radix, out, tmp, out);
  } else {
    mp_copy(n, radix, tmp, out);
  }
  remove(f_name_tmp1fft);
}
```