user: 这段汇编代码用C语言表示是什么样的:

```asm
<main>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    D138(%rip),%rdi
  call   <puts@plt>
  mov    %rsp,%rsi
  lea    D150(%rip),%rbx
  mov    %rbx,%rdi
  call   <scanf@plt>
  lea    D112(%rip),%rdi
  call   <puts@plt>
  lea    0x4(%rsp),%rsi
  mov    %rbx,%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%esi
  mov    (%rsp),%edi
  call   <alloc_2d_double@plt>
  mov    %rax,%rbx
  mov    0x4(%rsp),%esi
  mov    (%rsp),%edi
  call   <alloc_2d_double@plt>
  mov    %rax,%r13
  mov    0x4(%rsp),%edx
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  sar    %eax
  mov    (%rsp),%edx
  cmp    %edx,%eax
  cmovl  %edx,%eax
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  addsd  D68(%rip),%xmm0
  cvttsd2si %xmm0,%edi
  call   <sqrt@plt>
  lea    0x2(%rax),%edi
  call   <alloc_1d_int@plt>
  mov    %rax,%rbp
  mov    0x4(%rsp),%eax
  mov    (%rsp),%ecx
  lea    0x3(%rax),%edi
  test   %eax,%eax
  cmovns %eax,%edi
  sar    $0x2,%edi
  mov    %ecx,%edx
  shr    $0x1f,%edx
  add    %ecx,%edx
  sar    %edx
  cmp    %edx,%edi
  cmovl  %edx,%edi
  cmp    %ecx,%eax
  cmovl  %ecx,%eax
  add    %eax,%edi
  call   <alloc_1d_double@plt>
  mov    %rax,%r12
  movl   $0x0,0x0(%rbp)
  mov    %rbx,%rdx
  mov    0x4(%rsp),%esi
  mov    (%rsp),%edi
  call   <putdata2d@plt>
  mov    %r12,%r9
  mov    %rbp,%r8
  mov    %rbx,%rcx
  mov    $0x1,%edx
  mov    0x4(%rsp),%esi
  mov    (%rsp),%edi
  call   <cdft2d@plt>
  mov    %r12,%r9
  mov    %rbp,%r8
  mov    %rbx,%rcx
  mov    $0xffffffff,%edx
  mov    0x4(%rsp),%esi
  mov    (%rsp),%edi
  call   <cdft2d@plt>
  mov    (%rsp),%edi
  mov    0x4(%rsp),%esi
  pxor   %xmm1,%xmm1
  cvtsi2sd %edi,%xmm1
  movsd  D84(%rip),%xmm0
  divsd  %xmm1,%xmm0
  pxor   %xmm1,%xmm1
  cvtsi2sd %esi,%xmm1
  divsd  %xmm1,%xmm0
  mov    %rbx,%rdx
  call   <errorcheck2d@plt>
  lea    D27(%rip),%rdi
  mov    $0x1,%eax
  call   <printf@plt>
  mov    %rbx,%rdx
  mov    0x4(%rsp),%esi
  mov    (%rsp),%edi
  call   <putdata2d@plt>
  mov    %r12,%r9
  mov    %rbp,%r8
  mov    %rbx,%rcx
  mov    $0x1,%edx
  mov    0x4(%rsp),%esi
  mov    (%rsp),%edi
  call   <rdft2d@plt>
  mov    %r12,%r9
  mov    %rbp,%r8
  mov    %rbx,%rcx
  mov    $0xffffffff,%edx
  mov    0x4(%rsp),%esi
  mov    (%rsp),%edi
  call   <rdft2d@plt>
  mov    (%rsp),%edi
  mov    0x4(%rsp),%esi
  pxor   %xmm1,%xmm1
  cvtsi2sd %edi,%xmm1
  movsd  D84(%rip),%xmm0
  divsd  %xmm1,%xmm0
  pxor   %xmm1,%xmm1
  cvtsi2sd %esi,%xmm1
  divsd  %xmm1,%xmm0
  mov    %rbx,%rdx
  call   <errorcheck2d@plt>
  lea    D30(%rip),%rdi
  mov    $0x1,%eax
  call   <printf@plt>
  mov    %rbx,%rdx
  mov    0x4(%rsp),%esi
  mov    (%rsp),%edi
  call   <putdata2d@plt>
  sub    $0x8,%rsp
  push   %r12
  mov    %rbp,%r9
  mov    %r13,%r8
  mov    %rbx,%rcx
  mov    $0x1,%edx
  mov    0x14(%rsp),%esi
  mov    0x10(%rsp),%edi
  call   <ddct2d@plt>
  mov    %r12,(%rsp)
  mov    %rbp,%r9
  mov    %r13,%r8
  mov    %rbx,%rcx
  mov    $0xffffffff,%edx
  mov    0x14(%rsp),%esi
  mov    0x10(%rsp),%edi
  call   <ddct2d@plt>
  add    $0x10,%rsp
  cmpl   $0x0,(%rsp)
  jle    L14
  mov    $0x0,%eax
  movsd  D68(%rip),%xmm1
L8:
  mov    (%rbx,%rax,8),%rdx
  movapd %xmm1,%xmm0
  mulsd  (%rdx),%xmm0
  movsd  %xmm0,(%rdx)
  add    $0x1,%rax
  cmp    %eax,(%rsp)
  jg     L8
L14:
  mov    0x4(%rsp),%esi
  test   %esi,%esi
  jle    L40
  mov    $0x0,%eax
  movsd  D68(%rip),%xmm1
L66:
  mov    (%rbx),%rdx
  lea    (%rdx,%rax,8),%rdx
  movapd %xmm1,%xmm0
  mulsd  (%rdx),%xmm0
  movsd  %xmm0,(%rdx)
  mov    0x4(%rsp),%esi
  add    $0x1,%rax
  cmp    %eax,%esi
  jg     L66
L40:
  mov    (%rsp),%edi
  pxor   %xmm1,%xmm1
  cvtsi2sd %edi,%xmm1
  movsd  D109(%rip),%xmm0
  divsd  %xmm1,%xmm0
  pxor   %xmm1,%xmm1
  cvtsi2sd %esi,%xmm1
  divsd  %xmm1,%xmm0
  mov    %rbx,%rdx
  call   <errorcheck2d@plt>
  lea    D78(%rip),%rdi
  mov    $0x1,%eax
  call   <printf@plt>
  mov    %rbx,%rdx
  mov    0x4(%rsp),%esi
  mov    (%rsp),%edi
  call   <putdata2d@plt>
  sub    $0x8,%rsp
  push   %r12
  mov    %rbp,%r9
  mov    %r13,%r8
  mov    %rbx,%rcx
  mov    $0x1,%edx
  mov    0x14(%rsp),%esi
  mov    0x10(%rsp),%edi
  call   <ddst2d@plt>
  mov    %r12,(%rsp)
  mov    %rbp,%r9
  mov    %r13,%r8
  mov    %rbx,%rcx
  mov    $0xffffffff,%edx
  mov    0x14(%rsp),%esi
  mov    0x10(%rsp),%edi
  call   <ddst2d@plt>
  add    $0x10,%rsp
  cmpl   $0x0,(%rsp)
  jle    L32
  mov    $0x0,%eax
  movsd  D68(%rip),%xmm1
L63:
  mov    (%rbx,%rax,8),%rdx
  movapd %xmm1,%xmm0
  mulsd  (%rdx),%xmm0
  movsd  %xmm0,(%rdx)
  add    $0x1,%rax
  cmp    %eax,(%rsp)
  jg     L63
L32:
  mov    0x4(%rsp),%esi
  test   %esi,%esi
  jle    L58
  mov    $0x0,%eax
  movsd  D68(%rip),%xmm1
L73:
  mov    (%rbx),%rdx
  lea    (%rdx,%rax,8),%rdx
  movapd %xmm1,%xmm0
  mulsd  (%rdx),%xmm0
  movsd  %xmm0,(%rdx)
  mov    0x4(%rsp),%esi
  add    $0x1,%rax
  cmp    %eax,%esi
  jg     L73
L58:
  mov    (%rsp),%edi
  pxor   %xmm1,%xmm1
  cvtsi2sd %edi,%xmm1
  movsd  D109(%rip),%xmm0
  divsd  %xmm1,%xmm0
  pxor   %xmm1,%xmm1
  cvtsi2sd %esi,%xmm1
  divsd  %xmm1,%xmm0
  mov    %rbx,%rdx
  call   <errorcheck2d@plt>
  lea    D92(%rip),%rdi
  mov    $0x1,%eax
  call   <printf@plt>
  mov    %r12,%rdi
  call   <free_1d_double@plt>
  mov    %rbp,%rdi
  call   <free_1d_int@plt>
  mov    %r13,%rdi
  call   <free_2d_double@plt>
  mov    %rbx,%rdi
  call   <free_2d_double@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L35
  mov    $0x0,%eax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L35:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_label: D138
data_type: string
name: unpack_data
arguments: data_label: D150
data_type: string
name: unpack_data
arguments: data_label: D112
data_type: string
name: unpack_data
arguments: data_label: D68
data_type: f64
name: unpack_data
arguments: data_label: D84
data_type: f64
name: unpack_data
arguments: data_label: D27
data_type: string
name: unpack_data
arguments: data_label: D30
data_type: string
name: unpack_data
arguments: data_label: D109
data_type: f64
name: unpack_data
arguments: data_label: D78
data_type: string
name: unpack_data
arguments: data_label: D92
data_type: string

tool: D138: data length n1=? (n1 = power of 2) 

tool: D150: %d

tool: D112: data length n2=? (n2 = power of 2) 

tool: D68: 0.5

tool: D84: 2

tool: D27: cdft2d err= %g 


tool: D30: rdft2d err= %g 


tool: D109: 4

tool: D78: ddct2d err= %g 


tool: D92: ddst2d err= %g 


assistant: ```c
int main() {
  void cdft2d(int, int, int, double **, int *, double *);
  void rdft2d(int, int, int, double **, int *, double *);
  void ddct2d(int, int, int, double **, double **, int *, double *);
  void ddst2d(int, int, int, double **, double **, int *, double *);
  void putdata2d(int n1, int n2, double **a);
  double errorcheck2d(int n1, int n2, double scale, double **a);
  int *ip, n1, n2, n, i;
  double **a, **t, *w, err;
  printf("data length n1=? (n1 = power of 2) \n");
  scanf("%d", &n1);
  printf("data length n2=? (n2 = power of 2) \n");
  scanf("%d", &n2);
  a = alloc_2d_double(n1, n2);
  t = alloc_2d_double(n1, n2);
  n = ((n1) > (n2 / 2) ? (n1) : (n2 / 2));
  ip = alloc_1d_int(2 + (int)sqrt(n + 0.5));
  n = ((n1 / 2) > (n2 / 4) ? (n1 / 2) : (n2 / 4)) + ((n1) > (n2) ? (n1) : (n2));
  w = alloc_1d_double(n);
  ip[0] = 0;
  putdata2d(n1, n2, a);
  cdft2d(n1, n2, 1, a, ip, w);
  cdft2d(n1, n2, -1, a, ip, w);
  err = errorcheck2d(n1, n2, 2.0 / n1 / n2, a);
  printf("cdft2d err= %g \n", err);
  putdata2d(n1, n2, a);
  rdft2d(n1, n2, 1, a, ip, w);
  rdft2d(n1, n2, -1, a, ip, w);
  err = errorcheck2d(n1, n2, 2.0 / n1 / n2, a);
  printf("rdft2d err= %g \n", err);
  putdata2d(n1, n2, a);
  ddct2d(n1, n2, 1, a, t, ip, w);
  ddct2d(n1, n2, -1, a, t, ip, w);
  for (i = 0; i <= n1 - 1; i++) {
    a[i][0] *= 0.5;
  }
  for (i = 0; i <= n2 - 1; i++) {
    a[0][i] *= 0.5;
  }
  err = errorcheck2d(n1, n2, 4.0 / n1 / n2, a);
  printf("ddct2d err= %g \n", err);
  putdata2d(n1, n2, a);
  ddst2d(n1, n2, 1, a, t, ip, w);
  ddst2d(n1, n2, -1, a, t, ip, w);
  for (i = 0; i <= n1 - 1; i++) {
    a[i][0] *= 0.5;
  }
  for (i = 0; i <= n2 - 1; i++) {
    a[0][i] *= 0.5;
  }
  err = errorcheck2d(n1, n2, 4.0 / n1 / n2, a);
  printf("ddst2d err= %g \n", err);
  free_1d_double(w);
  free_1d_int(ip);
  free_2d_double(t);
  free_2d_double(a);
  return 0;
}
```