user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<cyclic>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %rdi,(%rsp)
  mov    %rsi,%r14
  mov    %rdx,0x8(%rsp)
  movss  %xmm0,0x14(%rsp)
  movss  %xmm1,0x10(%rsp)
  mov    %rcx,0x20(%rsp)
  mov    %r8,%rbp
  mov    %r9,%rbx
  cmp    $0x2,%r9
  jbe    L57
L34:
  mov    %rbx,%rsi
  mov    $0x1,%edi
  call   <vector@plt>
  mov    %rax,%r12
  mov    %rbx,%rsi
  mov    $0x1,%edi
  call   <vector@plt>
  mov    %rax,%r15
  mov    %rbx,%rsi
  mov    $0x1,%edi
  call   <vector@plt>
  mov    %rax,%r13
  movss  0x4(%r14),%xmm3
  movss  %xmm3,0x18(%rsp)
  movss  D1(%rip),%xmm1
  movaps %xmm3,%xmm0
  xorps  %xmm1,%xmm0
  movss  %xmm0,0x1c(%rsp)
  movaps %xmm3,%xmm0
  addss  %xmm3,%xmm0
  movss  %xmm0,0x4(%r12)
  lea    0x0(,%rbx,4),%rax
  mov    %rax,0x28(%rsp)
  movss  0x14(%rsp),%xmm0
  mulss  0x10(%rsp),%xmm0
  xorps  %xmm1,%xmm0
  divss  %xmm3,%xmm0
  movss  (%r14,%rbx,4),%xmm1
  subss  %xmm0,%xmm1
  movss  %xmm1,(%r12,%rbx,4)
  cmp    $0x2,%rbx
  jbe    L11
  mov    $0x2,%r9d
L64:
  movss  (%r14,%r9,4),%xmm0
  movss  %xmm0,(%r12,%r9,4)
  add    $0x1,%r9
  cmp    %r9,%rbx
  jne    L64
  mov    %rbp,%r8
  mov    0x20(%rsp),%rcx
  mov    0x8(%rsp),%rdx
  mov    %r12,%rsi
  mov    (%rsp),%rdi
  call   <tridag@plt>
  movss  0x1c(%rsp),%xmm7
  movss  %xmm7,0x4(%r15)
  movss  0x14(%rsp),%xmm7
  movss  %xmm7,(%r15,%rbx,4)
  lea    0x8(%r15),%rax
  mov    0x28(%rsp),%rdx
  add    %r15,%rdx
L72:
  movl   $0x0,(%rax)
  add    $0x4,%rax
  cmp    %rax,%rdx
  jne    L72
L25:
  mov    %rbx,%r9
  mov    %r13,%r8
  mov    %r15,%rcx
  mov    0x8(%rsp),%rdx
  mov    %r12,%rsi
  mov    (%rsp),%rdi
  call   <tridag@plt>
  movss  0x10(%rsp),%xmm4
  movaps %xmm4,%xmm1
  mulss  0x0(%rbp,%rbx,4),%xmm1
  movss  D1(%rip),%xmm2
  xorps  %xmm2,%xmm1
  movss  0x18(%rsp),%xmm5
  divss  %xmm5,%xmm1
  addss  0x4(%rbp),%xmm1
  cvtss2sd %xmm1,%xmm1
  mulss  0x0(%r13,%rbx,4),%xmm4
  movaps %xmm4,%xmm0
  xorps  %xmm2,%xmm0
  divss  %xmm5,%xmm0
  cvtss2sd %xmm0,%xmm0
  pxor   %xmm2,%xmm2
  cvtss2sd 0x4(%r13),%xmm2
  addsd  D32(%rip),%xmm2
  addsd  %xmm2,%xmm0
  divsd  %xmm0,%xmm1
  cvtsd2ss %xmm1,%xmm1
  test   %rbx,%rbx
  je     L23
  mov    $0x1,%eax
L76:
  movaps %xmm1,%xmm2
  mulss  0x0(%r13,%rax,4),%xmm2
  movss  0x0(%rbp,%rax,4),%xmm0
  subss  %xmm2,%xmm0
  movss  %xmm0,0x0(%rbp,%rax,4)
  mov    %rax,%rdx
  add    $0x1,%rax
  cmp    %rdx,%rbx
  jne    L76
L23:
  mov    %rbx,%rdx
  mov    $0x1,%esi
  mov    %r13,%rdi
  call   <free_vector@plt>
  mov    %rbx,%rdx
  mov    $0x1,%esi
  mov    %r15,%rdi
  call   <free_vector@plt>
  mov    %rbx,%rdx
  mov    $0x1,%esi
  mov    %r12,%rdi
  call   <free_vector@plt>
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L57:
  lea    D11(%rip),%rdi
  call   <nrerror@plt>
  jmp    L34
L11:
  mov    %rbx,%r9
  mov    %rbp,%r8
  mov    0x20(%rsp),%rcx
  mov    0x8(%rsp),%rdx
  mov    %r12,%rsi
  mov    (%rsp),%rdi
  call   <tridag@plt>
  movss  0x1c(%rsp),%xmm6
  movss  %xmm6,0x4(%r15)
  movss  0x14(%rsp),%xmm6
  movss  %xmm6,(%r15,%rbx,4)
  jmp    L25
```

tool_calls: name: parse_data
arguments: data_tag: D1
datatype: byte[4]
name: parse_data
arguments: data_tag: D32
datatype: f64
name: parse_data
arguments: data_tag: D11
datatype: string

tool: {"D1": [0x00,0x00,0x00,0x80]}

tool: D32: 1

tool: D11: n too small in cyclic

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);
}
```