user: 这段汇编代码用C语言表示是什么样的：

```asm
<jacobi>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0xb0,%rsp
  mov    %rdi,-0x88(%rbp)
  mov    %rsi,-0x90(%rbp)
  mov    %rdx,-0x98(%rbp)
  mov    %rcx,-0xa0(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x90(%rbp),%rax
  mov    %rax,%rsi
  mov    $0x1,%edi
  call   <dvector@plt>
  mov    %rax,-0x38(%rbp)
  mov    -0x90(%rbp),%rax
  mov    %rax,%rsi
  mov    $0x1,%edi
  call   <dvector@plt>
  mov    %rax,-0x30(%rbp)
  mov    -0x90(%rbp),%rdx
  mov    -0xa0(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <identity_matrix@plt>
  movq   $0x1,-0x58(%rbp)
  jmp    L26
L11:
  mov    -0x58(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x88(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x58(%rbp),%rax
  shl    $0x3,%rax
  add    %rax,%rdx
  mov    -0x58(%rbp),%rax
  lea    0x0(,%rax,8),%rcx
  mov    -0x98(%rbp),%rax
  add    %rcx,%rax
  movsd  (%rdx),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x58(%rbp),%rdx
  lea    0x0(,%rdx,8),%rcx
  mov    -0x38(%rbp),%rdx
  add    %rcx,%rdx
  movsd  (%rax),%xmm0
  movsd  %xmm0,(%rdx)
  mov    -0x58(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  pxor   %xmm0,%xmm0
  movsd  %xmm0,(%rax)
  addq   $0x1,-0x58(%rbp)
L26:
  mov    -0x58(%rbp),%rax
  cmp    -0x90(%rbp),%rax
  jle    L11
  movq   $0x1,-0x70(%rbp)
  jmp    L110
L291:
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x40(%rbp)
  movq   $0x1,-0x58(%rbp)
  jmp    L348
L298:
  mov    -0x58(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x60(%rbp)
  jmp    L70
L310:
  mov    -0x58(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x88(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x60(%rbp),%rax
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movq   D196(%rip),%xmm1
  andpd  %xmm1,%xmm0
  movsd  -0x40(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x40(%rbp)
  addq   $0x1,-0x60(%rbp)
L70:
  mov    -0x60(%rbp),%rax
  cmp    -0x90(%rbp),%rax
  jle    L310
  addq   $0x1,-0x58(%rbp)
L348:
  mov    -0x90(%rbp),%rax
  cmp    -0x58(%rbp),%rax
  jg     L298
  movsd  D205(%rip),%xmm0
  comisd -0x40(%rbp),%xmm0
  jbe    L28
  mov    -0x90(%rbp),%rdx
  mov    -0x30(%rbp),%rax
  mov    $0x1,%esi
  mov    %rax,%rdi
  call   <free_dvector@plt>
  mov    -0x90(%rbp),%rdx
  mov    -0x38(%rbp),%rax
  mov    $0x1,%esi
  mov    %rax,%rdi
  call   <free_dvector@plt>
  mov    -0x90(%rbp),%rdx
  mov    -0xa0(%rbp),%rcx
  mov    -0x98(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <eigsrt@plt>
  jmp    L93
L28:
  cmpq   $0x3,-0x70(%rbp)
  jg     L37
  movsd  -0x40(%rbp),%xmm1
  movsd  D197(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  mov    -0x90(%rbp),%rax
  imul   %rax,%rax
  pxor   %xmm1,%xmm1
  cvtsi2sd %rax,%xmm1
  divsd  %xmm1,%xmm0
  movsd  %xmm0,-0x50(%rbp)
  jmp    L279
L37:
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x50(%rbp)
L279:
  movq   $0x1,-0x58(%rbp)
  jmp    L76
L280:
  mov    -0x58(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x60(%rbp)
  jmp    L207
L83:
  mov    -0x58(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x88(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x60(%rbp),%rax
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movq   D196(%rip),%xmm1
  andpd  %xmm0,%xmm1
  movsd  D89(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  movsd  %xmm0,-0x78(%rbp)
  cmpq   $0x4,-0x70(%rbp)
  jle    L136
  mov    -0x58(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x98(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movq   D196(%rip),%xmm1
  andpd  %xmm0,%xmm1
  movsd  -0x78(%rbp),%xmm0
  addsd  %xmm1,%xmm0
  mov    -0x58(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x98(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  movq   D196(%rip),%xmm2
  andpd  %xmm2,%xmm1
  ucomisd %xmm1,%xmm0
  jp     L136
  ucomisd %xmm1,%xmm0
  jne    L136
  mov    -0x60(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x98(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movq   D196(%rip),%xmm1
  andpd  %xmm0,%xmm1
  movsd  -0x78(%rbp),%xmm0
  addsd  %xmm1,%xmm0
  mov    -0x60(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x98(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  movq   D196(%rip),%xmm2
  andpd  %xmm2,%xmm1
  ucomisd %xmm1,%xmm0
  jp     L136
  ucomisd %xmm1,%xmm0
  jne    L136
  mov    -0x58(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x88(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x60(%rbp),%rax
  shl    $0x3,%rax
  add    %rdx,%rax
  pxor   %xmm0,%xmm0
  movsd  %xmm0,(%rax)
  jmp    L335
L136:
  mov    -0x58(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x88(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x60(%rbp),%rax
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movq   D196(%rip),%xmm1
  andpd  %xmm1,%xmm0
  comisd -0x50(%rbp),%xmm0
  jbe    L335
  mov    -0x60(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x98(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mov    -0x58(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x98(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  subsd  %xmm1,%xmm0
  movsd  %xmm0,-0x80(%rbp)
  movsd  -0x80(%rbp),%xmm0
  movq   D196(%rip),%xmm1
  andpd  %xmm0,%xmm1
  movsd  -0x78(%rbp),%xmm0
  addsd  %xmm1,%xmm0
  movsd  -0x80(%rbp),%xmm1
  movq   D196(%rip),%xmm2
  andpd  %xmm2,%xmm1
  ucomisd %xmm1,%xmm0
  jp     L365
  ucomisd %xmm1,%xmm0
  jne    L365
  mov    -0x58(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x88(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x60(%rbp),%rax
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  -0x80(%rbp),%xmm1
  divsd  %xmm1,%xmm0
  movsd  %xmm0,-0x48(%rbp)
  jmp    L309
L365:
  movsd  -0x80(%rbp),%xmm1
  movsd  D43(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  mov    -0x58(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x88(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x60(%rbp),%rax
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  divsd  %xmm1,%xmm0
  movsd  %xmm0,-0x28(%rbp)
  movsd  -0x28(%rbp),%xmm0
  movq   D196(%rip),%xmm1
  andpd  %xmm1,%xmm0
  movsd  %xmm0,-0xa8(%rbp)
  movsd  -0x28(%rbp),%xmm0
  movapd %xmm0,%xmm3
  mulsd  %xmm0,%xmm3
  movapd %xmm3,%xmm1
  movsd  D193(%rip),%xmm0
  addsd  %xmm1,%xmm0
  cvttsd2si %xmm0,%eax
  mov    %eax,%edi
  call   <sqrt@plt>
  movsd  -0xa8(%rbp),%xmm1
  addsd  %xmm0,%xmm1
  movsd  D193(%rip),%xmm0
  divsd  %xmm1,%xmm0
  movsd  %xmm0,-0x48(%rbp)
  pxor   %xmm0,%xmm0
  comisd -0x28(%rbp),%xmm0
  jbe    L309
  movsd  -0x48(%rbp),%xmm0
  movq   D138(%rip),%xmm1
  xorpd  %xmm1,%xmm0
  movsd  %xmm0,-0x48(%rbp)
L309:
  movsd  -0x48(%rbp),%xmm0
  movapd %xmm0,%xmm1
  mulsd  %xmm0,%xmm1
  movsd  D193(%rip),%xmm0
  addsd  %xmm1,%xmm0
  cvttsd2si %xmm0,%eax
  mov    %eax,%edi
  call   <sqrt@plt>
  movapd %xmm0,%xmm1
  movsd  D193(%rip),%xmm0
  divsd  %xmm1,%xmm0
  movsd  %xmm0,-0x20(%rbp)
  movsd  -0x48(%rbp),%xmm0
  mulsd  -0x20(%rbp),%xmm0
  movsd  %xmm0,-0x18(%rbp)
  movsd  -0x20(%rbp),%xmm1
  movsd  D193(%rip),%xmm0
  addsd  %xmm0,%xmm1
  movsd  -0x18(%rbp),%xmm0
  divsd  %xmm1,%xmm0
  movsd  %xmm0,-0x10(%rbp)
  mov    -0x58(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x88(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x60(%rbp),%rax
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mulsd  -0x48(%rbp),%xmm0
  movsd  %xmm0,-0x80(%rbp)
  mov    -0x58(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  -0x80(%rbp),%xmm1
  mov    -0x58(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  subsd  %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x60(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  movsd  -0x80(%rbp),%xmm0
  mov    -0x60(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  addsd  %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x58(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x98(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  -0x80(%rbp),%xmm1
  mov    -0x58(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x98(%rbp),%rax
  add    %rdx,%rax
  subsd  %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x60(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x98(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  movsd  -0x80(%rbp),%xmm0
  mov    -0x60(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x98(%rbp),%rax
  add    %rdx,%rax
  addsd  %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x58(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x88(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x60(%rbp),%rax
  shl    $0x3,%rax
  add    %rdx,%rax
  pxor   %xmm0,%xmm0
  movsd  %xmm0,(%rax)
  movq   $0x1,-0x68(%rbp)
  jmp    L347
L266:
  movsd  -0x10(%rbp),%xmm0
  mov    -0x18(%rbp),%rdi
  lea    -0x78(%rbp),%r9
  mov    -0x60(%rbp),%r10
  mov    -0x68(%rbp),%rcx
  mov    -0x58(%rbp),%rdx
  mov    -0x68(%rbp),%rsi
  mov    -0x88(%rbp),%rax
  sub    $0x8,%rsp
  lea    -0x80(%rbp),%r8
  push   %r8
  movapd %xmm0,%xmm1
  movq   %rdi,%xmm0
  mov    %r10,%r8
  mov    %rax,%rdi
  call   <rotate@plt>
  add    $0x10,%rsp
  addq   $0x1,-0x68(%rbp)
L347:
  mov    -0x58(%rbp),%rax
  cmp    -0x68(%rbp),%rax
  jg     L266
  mov    -0x58(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x68(%rbp)
  jmp    L144
L356:
  movsd  -0x10(%rbp),%xmm0
  mov    -0x18(%rbp),%rdi
  lea    -0x78(%rbp),%r9
  mov    -0x60(%rbp),%r10
  mov    -0x68(%rbp),%rcx
  mov    -0x68(%rbp),%rdx
  mov    -0x58(%rbp),%rsi
  mov    -0x88(%rbp),%rax
  sub    $0x8,%rsp
  lea    -0x80(%rbp),%r8
  push   %r8
  movapd %xmm0,%xmm1
  movq   %rdi,%xmm0
  mov    %r10,%r8
  mov    %rax,%rdi
  call   <rotate@plt>
  add    $0x10,%rsp
  addq   $0x1,-0x68(%rbp)
L144:
  mov    -0x60(%rbp),%rax
  cmp    -0x68(%rbp),%rax
  jg     L356
  mov    -0x60(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x68(%rbp)
  jmp    L42
L41:
  movsd  -0x10(%rbp),%xmm0
  mov    -0x18(%rbp),%rdi
  lea    -0x78(%rbp),%r9
  mov    -0x68(%rbp),%r10
  mov    -0x60(%rbp),%rcx
  mov    -0x68(%rbp),%rdx
  mov    -0x58(%rbp),%rsi
  mov    -0x88(%rbp),%rax
  sub    $0x8,%rsp
  lea    -0x80(%rbp),%r8
  push   %r8
  movapd %xmm0,%xmm1
  movq   %rdi,%xmm0
  mov    %r10,%r8
  mov    %rax,%rdi
  call   <rotate@plt>
  add    $0x10,%rsp
  addq   $0x1,-0x68(%rbp)
L42:
  mov    -0x68(%rbp),%rax
  cmp    -0x90(%rbp),%rax
  jle    L41
  movq   $0x1,-0x68(%rbp)
  jmp    L141
L167:
  movsd  -0x10(%rbp),%xmm0
  mov    -0x18(%rbp),%rdi
  lea    -0x78(%rbp),%r9
  mov    -0x60(%rbp),%r10
  mov    -0x68(%rbp),%rcx
  mov    -0x58(%rbp),%rdx
  mov    -0x68(%rbp),%rsi
  mov    -0xa0(%rbp),%rax
  sub    $0x8,%rsp
  lea    -0x80(%rbp),%r8
  push   %r8
  movapd %xmm0,%xmm1
  movq   %rdi,%xmm0
  mov    %r10,%r8
  mov    %rax,%rdi
  call   <rotate@plt>
  add    $0x10,%rsp
  addq   $0x1,-0x68(%rbp)
L141:
  mov    -0x68(%rbp),%rax
  cmp    -0x90(%rbp),%rax
  jle    L167
L335:
  addq   $0x1,-0x60(%rbp)
L207:
  mov    -0x60(%rbp),%rax
  cmp    -0x90(%rbp),%rax
  jle    L83
  addq   $0x1,-0x58(%rbp)
L76:
  mov    -0x90(%rbp),%rax
  cmp    -0x58(%rbp),%rax
  jg     L280
  movq   $0x1,-0x58(%rbp)
  jmp    L362
L293:
  mov    -0x58(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mov    -0x58(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mov    -0x58(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  addsd  %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x58(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rax,%rdx
  mov    -0x58(%rbp),%rax
  lea    0x0(,%rax,8),%rcx
  mov    -0x98(%rbp),%rax
  add    %rcx,%rax
  movsd  (%rdx),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x58(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  pxor   %xmm0,%xmm0
  movsd  %xmm0,(%rax)
  addq   $0x1,-0x58(%rbp)
L362:
  mov    -0x58(%rbp),%rax
  cmp    -0x90(%rbp),%rax
  jle    L293
  addq   $0x1,-0x70(%rbp)
L110:
  cmpq   $0x64,-0x70(%rbp)
  jle    L291
  lea    D77(%rip),%rax
  mov    %rax,%rdi
  call   <nrerror@plt>
L93:
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L306
  call   <__stack_chk_fail@plt>
L306:
  leave
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D196
datatype: qword
name: unpack_data
arguments: data_tag: D205
datatype: byte[8]
name: unpack_data
arguments: data_tag: D197
datatype: f64
name: unpack_data
arguments: data_tag: D89
datatype: f64
name: unpack_data
arguments: data_tag: D43
datatype: f64
name: unpack_data
arguments: data_tag: D193
datatype: f64
name: unpack_data
arguments: data_tag: D138
datatype: f32[2]
name: unpack_data
arguments: data_tag: D77
datatype: string

tool: D196: 9223372036854775807

tool: {"D205": [0x48,0xaf,0xbc,0x9a,0xf2,0xd7,0x7a,0x3e]}

tool: D197: 0.2

tool: D89: 100

tool: D43: 0.5

tool: D193: 1

tool: {"D138": [0.0,-0.0]}

tool: D77: too many iterations

assistant: ```c
void jacobi(double **a, long n, double *d, double **v) {
  long i, j, iq, ip;
  double tresh, theta, tau, t, sm, s, h, g, c, *b, *z;
  b = dvector(1, n);
  z = dvector(1, n);
  identity_matrix(v, n);
  for (ip = 1; ip <= n; ip++) {
    b[ip] = d[ip] = a[ip][ip];
    z[ip] = 0.0;
  }
  for (i = 1; i <= 100; i++) {
    sm = 0.0;
    for (ip = 1; ip <= n - 1; ip++) {
      for (iq = ip + 1; iq <= n; iq++)
        sm += fabs(a[ip][iq]);
    }
    if (sm < 1.0e-7) {
      free_dvector(z, 1, n);
      free_dvector(b, 1, n);
      eigsrt(d, v, n);
      return;
    }
    if (i < 4)
      tresh = 0.2 * sm / (n * n);
    else
      tresh = 0.0;
    for (ip = 1; ip <= n - 1; ip++) {
      for (iq = ip + 1; iq <= n; iq++) {
        g = 100.0 * fabs(a[ip][iq]);
        if (i > 4 && (fabs(d[ip]) + g) == fabs(d[ip]) && (fabs(d[iq]) + g) == fabs(d[iq]))
          a[ip][iq] = 0.0;
        else if (fabs(a[ip][iq]) > tresh) {
          h = d[iq] - d[ip];
          if ((fabs(h) + g) == fabs(h))
            t = a[ip][iq] / h;
          else {
            theta = 0.5 * h / a[ip][iq];
            t = 1.0 / (fabs(theta) + sqrt(1.0 + theta * theta));
            if (theta < 0.0)
              t = -t;
          }
          c = 1.0 / sqrt(1 + t * t);
          s = t * c;
          tau = s / (1.0 + c);
          h = t * a[ip][iq];
          z[ip] -= h;
          z[iq] += h;
          d[ip] -= h;
          d[iq] += h;
          a[ip][iq] = 0.0;
          for (j = 1; j <= ip - 1; j++)
            rotate(a, j, ip, j, iq, &g, &h, s, tau);
          for (j = ip + 1; j <= iq - 1; j++)
            rotate(a, ip, j, j, iq, &g, &h, s, tau);
          for (j = iq + 1; j <= n; j++)
            rotate(a, ip, j, iq, j, &g, &h, s, tau);
          for (j = 1; j <= n; j++)
            rotate(v, j, ip, j, iq, &g, &h, s, tau);
        }
      }
    }
    for (ip = 1; ip <= n; ip++) {
      b[ip] += z[ip];
      d[ip] = b[ip];
      z[ip] = 0.0;
    }
  }
  nrerror("too many iterations");
}
```