user: 请从给定的汇编指令推导出C源代码:

```asm
<cyclic>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x70,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %rdx,-0x48(%rbp)
  movss  %xmm0,-0x4c(%rbp)
  movss  %xmm1,-0x50(%rbp)
  mov    %rcx,-0x58(%rbp)
  mov    %r8,-0x60(%rbp)
  mov    %r9,-0x68(%rbp)
  cmpq   $0x2,-0x68(%rbp)
  ja     L60
  lea    D9(%rip),%rax
  mov    %rax,%rdi
  call   <nrerror@plt>
L60:
  mov    -0x68(%rbp),%rax
  mov    %rax,%rsi
  mov    $0x1,%edi
  call   <vector@plt>
  mov    %rax,-0x18(%rbp)
  mov    -0x68(%rbp),%rax
  mov    %rax,%rsi
  mov    $0x1,%edi
  call   <vector@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x68(%rbp),%rax
  mov    %rax,%rsi
  mov    $0x1,%edi
  call   <vector@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x40(%rbp),%rax
  add    $0x4,%rax
  movss  (%rax),%xmm0
  movss  D18(%rip),%xmm1
  xorps  %xmm1,%xmm0
  movss  %xmm0,-0x28(%rbp)
  mov    -0x40(%rbp),%rax
  add    $0x4,%rax
  movss  (%rax),%xmm0
  mov    -0x18(%rbp),%rax
  add    $0x4,%rax
  subss  -0x28(%rbp),%xmm0
  movss  %xmm0,(%rax)
  mov    -0x68(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  movss  -0x4c(%rbp),%xmm1
  mulss  -0x50(%rbp),%xmm1
  divss  -0x28(%rbp),%xmm1
  mov    -0x68(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  subss  %xmm1,%xmm0
  movss  %xmm0,(%rax)
  movq   $0x2,-0x20(%rbp)
  jmp    L19
L33:
  mov    -0x20(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x40(%rbp),%rax
  add    %rax,%rdx
  mov    -0x20(%rbp),%rax
  lea    0x0(,%rax,4),%rcx
  mov    -0x18(%rbp),%rax
  add    %rcx,%rax
  movss  (%rdx),%xmm0
  movss  %xmm0,(%rax)
  addq   $0x1,-0x20(%rbp)
L19:
  mov    -0x20(%rbp),%rax
  cmp    -0x68(%rbp),%rax
  jb     L33
  mov    -0x68(%rbp),%r8
  mov    -0x60(%rbp),%rdi
  mov    -0x58(%rbp),%rcx
  mov    -0x48(%rbp),%rdx
  mov    -0x18(%rbp),%rsi
  mov    -0x38(%rbp),%rax
  mov    %r8,%r9
  mov    %rdi,%r8
  mov    %rax,%rdi
  call   <tridag@plt>
  mov    -0x10(%rbp),%rax
  add    $0x4,%rax
  movss  -0x28(%rbp),%xmm0
  movss  %xmm0,(%rax)
  mov    -0x68(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movss  -0x4c(%rbp),%xmm0
  movss  %xmm0,(%rax)
  movq   $0x2,-0x20(%rbp)
  jmp    L45
L54:
  mov    -0x20(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  pxor   %xmm0,%xmm0
  movss  %xmm0,(%rax)
  addq   $0x1,-0x20(%rbp)
L45:
  mov    -0x20(%rbp),%rax
  cmp    -0x68(%rbp),%rax
  jb     L54
  mov    -0x68(%rbp),%r8
  mov    -0x8(%rbp),%rdi
  mov    -0x10(%rbp),%rcx
  mov    -0x48(%rbp),%rdx
  mov    -0x18(%rbp),%rsi
  mov    -0x38(%rbp),%rax
  mov    %r8,%r9
  mov    %rdi,%r8
  mov    %rax,%rdi
  call   <tridag@plt>
  mov    -0x60(%rbp),%rax
  add    $0x4,%rax
  movss  (%rax),%xmm1
  mov    -0x68(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x60(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  mulss  -0x50(%rbp),%xmm0
  divss  -0x28(%rbp),%xmm0
  addss  %xmm1,%xmm0
  cvtss2sd %xmm0,%xmm0
  mov    -0x8(%rbp),%rax
  add    $0x4,%rax
  movss  (%rax),%xmm1
  pxor   %xmm2,%xmm2
  cvtss2sd %xmm1,%xmm2
  movsd  D24(%rip),%xmm1
  addsd  %xmm1,%xmm2
  mov    -0x68(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm1
  mulss  -0x50(%rbp),%xmm1
  divss  -0x28(%rbp),%xmm1
  cvtss2sd %xmm1,%xmm1
  addsd  %xmm2,%xmm1
  divsd  %xmm1,%xmm0
  cvtsd2ss %xmm0,%xmm0
  movss  %xmm0,-0x24(%rbp)
  movq   $0x1,-0x20(%rbp)
  jmp    L57
L31:
  mov    -0x20(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x60(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  mov    -0x20(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm1
  mulss  -0x24(%rbp),%xmm1
  mov    -0x20(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x60(%rbp),%rax
  add    %rdx,%rax
  subss  %xmm1,%xmm0
  movss  %xmm0,(%rax)
  addq   $0x1,-0x20(%rbp)
L57:
  mov    -0x20(%rbp),%rax
  cmp    -0x68(%rbp),%rax
  jbe    L31
  mov    -0x68(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  mov    $0x1,%esi
  mov    %rax,%rdi
  call   <free_vector@plt>
  mov    -0x68(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  mov    $0x1,%esi
  mov    %rax,%rdi
  call   <free_vector@plt>
  mov    -0x68(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    $0x1,%esi
  mov    %rax,%rdi
  call   <free_vector@plt>
  nop
  leave
  ret
```

tool_calls: name: read_data
arguments: tag: D9
data_type: string
name: read_data
arguments: tag: D18
data_type: byte[4]
name: read_data
arguments: tag: D24
data_type: f64

tool: D9: n too small in cyclic

tool: {"D18": [0x00,0x00,0x00,0x80]}

tool: D24: 1

assistant: ```c
void cyclic(float a[], float b[], float c[], float alpha, float beta, float r[], float x[], unsigned long n) {
  void tridag(float a[], float b[], float c[], float r[], float u[], unsigned long n);
  unsigned long i;
  float fact, gamma, *bb, *u, *z;
  if (n <= 2)
    nrerror("n too small in cyclic");
  bb = vector(1, n);
  u = vector(1, n);
  z = vector(1, n);
  gamma = -b[1];
  bb[1] = b[1] - gamma;
  bb[n] = b[n] - alpha * beta / gamma;
  for (i = 2; i < n; i++)
    bb[i] = b[i];
  tridag(a, bb, c, r, x, n);
  u[1] = gamma;
  u[n] = alpha;
  for (i = 2; i < n; i++)
    u[i] = 0.0;
  tridag(a, bb, c, u, z, n);
  fact = (x[1] + beta * x[n] / gamma) / (1.0 + z[1] + beta * z[n] / gamma);
  for (i = 1; i <= n; i++)
    x[i] -= fact * z[i];
  free_vector(z, 1, n);
  free_vector(u, 1, n);
  free_vector(bb, 1, n);
}
```