user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<u2Fit>:
  endbr64
  push   %r15
  movapd %xmm1,%xmm2
  lea    -0x1(%r8),%eax
  mov    %rdx,%r15
  push   %r14
  subsd  %xmm0,%xmm2
  mov    %esi,%r14d
  push   %r13
  push   %r12
  push   %rbp
  mov    %r14,%rbp
  push   %rbx
  mov    %rcx,%rbx
  sub    $0x48,%rsp
  movsd  %xmm0,0x38(%rsp)
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  mov    %rdi,(%rsp)
  lea    0x0(,%r14,4),%rdi
  mov    %r8d,0x24(%rsp)
  movsd  %xmm1,0x10(%rsp)
  divsd  %xmm0,%xmm2
  movsd  %xmm2,0x28(%rsp)
  call   <malloc@plt>
  lea    0x0(,%r14,8),%rdi
  mov    %rax,%r13
  call   <malloc@plt>
  lea    (%r14,%r14,8),%edi
  shl    $0x3,%rdi
  mov    %rax,%r12
  call   <malloc@plt>
  mov    %rax,0x18(%rsp)
  mov    0x24(%rsp),%eax
  test   %eax,%eax
  je     L938
  lea    -0x1(%r14),%eax
  movsd  0x10(%rsp),%xmm1
  mov    %r15,0x8(%rsp)
  mov    %eax,0x30(%rsp)
  mov    %r14d,%eax
  shr    $0x4,%eax
  movl   $0x0,0x20(%rsp)
  lea    -0x1(%rax),%r10d
  mov    %r14d,%eax
  mov    %r13,%r14
  mov    %rbp,%r13
  add    $0x1,%r10
  and    $0xfffffff0,%eax
  shl    $0x7,%r10
  mov    %eax,0x34(%rsp)
  add    %r12,%r10
  mov    %r10,%r15
  nopl   0x0(%rax,%rax,1)
L934:
  mov    0x8(%rsp),%rsi
  mov    (%rsp),%rdi
  xor    %eax,%eax
  mov    %ebp,%ecx
  mov    %r12,%rdx
  movsd  %xmm1,0x10(%rsp)
  call   <FDs@plt>
  test   %ebp,%ebp
  je     L258
  cmpl   $0xe,0x30(%rsp)
  movdqa D7(%rip),%xmm5
  movdqa D20(%rip),%xmm8
  movsd  0x10(%rsp),%xmm1
  jbe    L5
  movapd %xmm1,%xmm4
  mov    %rbx,%rdx
  pxor   %xmm7,%xmm7
  mov    %r12,%rax
  unpcklpd %xmm4,%xmm4
  nop
L870:
  movupd (%rax),%xmm0
  movupd 0x10(%rax),%xmm12
  sub    $0xffffffffffffff80,%rax
  add    $0x10,%rdx
  movupd -0x40(%rax),%xmm2
  movupd -0x30(%rax),%xmm10
  movupd -0x20(%rax),%xmm3
  movupd -0x10(%rax),%xmm6
  cmpltpd %xmm4,%xmm0
  cmpltpd %xmm4,%xmm12
  movupd -0x60(%rax),%xmm9
  movupd -0x50(%rax),%xmm11
  cmpltpd %xmm4,%xmm2
  cmpltpd %xmm4,%xmm10
  cmpltpd %xmm4,%xmm3
  cmpltpd %xmm4,%xmm6
  cmpltpd %xmm4,%xmm9
  cmpltpd %xmm4,%xmm11
  pand   %xmm5,%xmm0
  pand   %xmm5,%xmm10
  pand   %xmm5,%xmm12
  pand   %xmm5,%xmm2
  pand   %xmm5,%xmm6
  pand   %xmm5,%xmm3
  shufps $0x88,%xmm12,%xmm0
  shufps $0x88,%xmm10,%xmm2
  shufps $0x88,%xmm6,%xmm3
  movdqa %xmm2,%xmm10
  movdqa %xmm0,%xmm6
  pand   %xmm5,%xmm9
  pand   %xmm5,%xmm11
  paddd  %xmm3,%xmm10
  shufps $0x88,%xmm11,%xmm9
  paddd  %xmm9,%xmm6
  paddd  %xmm10,%xmm6
  paddd  %xmm6,%xmm7
  movdqa %xmm0,%xmm6
  punpcklwd %xmm9,%xmm0
  punpckhwd %xmm9,%xmm6
  movdqa %xmm0,%xmm9
  punpckhwd %xmm6,%xmm9
  punpcklwd %xmm6,%xmm0
  movdqa %xmm2,%xmm6
  punpcklwd %xmm3,%xmm2
  punpckhwd %xmm3,%xmm6
  punpcklwd %xmm9,%xmm0
  movdqa %xmm2,%xmm3
  punpcklwd %xmm6,%xmm2
  pand   %xmm8,%xmm0
  punpckhwd %xmm6,%xmm3
  punpcklwd %xmm3,%xmm2
  pand   %xmm8,%xmm2
  packuswb %xmm2,%xmm0
  movups %xmm0,-0x10(%rdx)
  cmp    %r15,%rax
  jne    L870
  movdqa %xmm7,%xmm0
  mov    0x34(%rsp),%edi
  psrldq $0x8,%xmm0
  paddd  %xmm0,%xmm7
  movdqa %xmm7,%xmm0
  psrldq $0x4,%xmm0
  paddd  %xmm0,%xmm7
  movd   %xmm7,%eax
  cmp    %edi,%ebp
  je     L403
  mov    %edi,%edx
L926:
  mov    %edx,%ecx
  comisd (%r12,%rcx,8),%xmm1
  lea    (%rbx,%rcx,1),%rsi
  jbe    L176
  add    $0x1,%eax
  mov    $0x1,%ecx
L919:
  mov    %cl,(%rsi)
  lea    0x1(%rdx),%ecx
  cmp    %ecx,%ebp
  jbe    L403
  comisd (%r12,%rcx,8),%xmm1
  lea    (%rbx,%rcx,1),%rsi
  jbe    L377
  add    $0x1,%eax
  mov    $0x1,%ecx
L1006:
  mov    %cl,(%rsi)
  lea    0x2(%rdx),%ecx
  cmp    %ecx,%ebp
  jbe    L403
  comisd (%r12,%rcx,8),%xmm1
  lea    (%rbx,%rcx,1),%rsi
  jbe    L99
  add    $0x1,%eax
  mov    $0x1,%ecx
L407:
  mov    %cl,(%rsi)
  lea    0x3(%rdx),%ecx
  cmp    %ecx,%ebp
  jbe    L403
  comisd (%r12,%rcx,8),%xmm1
  lea    (%rbx,%rcx,1),%rsi
  jbe    L355
  add    $0x1,%eax
  mov    $0x1,%ecx
L849:
  mov    %cl,(%rsi)
  lea    0x4(%rdx),%ecx
  cmp    %ecx,%ebp
  jbe    L403
  comisd (%r12,%rcx,8),%xmm1
  lea    (%rbx,%rcx,1),%rsi
  jbe    L835
  add    $0x1,%eax
  mov    $0x1,%ecx
L871:
  mov    %cl,(%rsi)
  lea    0x5(%rdx),%ecx
  cmp    %ecx,%ebp
  jbe    L403
  comisd (%r12,%rcx,8),%xmm1
  lea    (%rbx,%rcx,1),%rsi
  jbe    L693
  add    $0x1,%eax
  mov    $0x1,%ecx
L967:
  mov    %cl,(%rsi)
  lea    0x6(%rdx),%ecx
  cmp    %ecx,%ebp
  jbe    L403
  comisd (%r12,%rcx,8),%xmm1
  lea    (%rbx,%rcx,1),%rsi
  jbe    L469
  add    $0x1,%eax
  mov    $0x1,%ecx
L699:
  mov    %cl,(%rsi)
  lea    0x7(%rdx),%ecx
  cmp    %ecx,%ebp
  jbe    L403
  comisd (%r12,%rcx,8),%xmm1
  lea    (%rbx,%rcx,1),%rsi
  jbe    L1011
  add    $0x1,%eax
  mov    $0x1,%ecx
L506:
  mov    %cl,(%rsi)
  lea    0x8(%rdx),%ecx
  cmp    %ecx,%ebp
  jbe    L403
  comisd (%r12,%rcx,8),%xmm1
  lea    (%rbx,%rcx,1),%rsi
  jbe    L25
  add    $0x1,%eax
  mov    $0x1,%ecx
L212:
  mov    %cl,(%rsi)
  lea    0x9(%rdx),%ecx
  cmp    %ecx,%ebp
  jbe    L403
  comisd (%r12,%rcx,8),%xmm1
  lea    (%rbx,%rcx,1),%rsi
  jbe    L482
  add    $0x1,%eax
  mov    $0x1,%ecx
L945:
  mov    %cl,(%rsi)
  lea    0xa(%rdx),%ecx
  cmp    %ecx,%ebp
  jbe    L403
  comisd (%r12,%rcx,8),%xmm1
  lea    (%rbx,%rcx,1),%rsi
  jbe    L345
  add    $0x1,%eax
  mov    $0x1,%ecx
L465:
  mov    %cl,(%rsi)
  lea    0xb(%rdx),%ecx
  cmp    %ecx,%ebp
  jbe    L403
  comisd (%r12,%rcx,8),%xmm1
  lea    (%rbx,%rcx,1),%rsi
  jbe    L330
  add    $0x1,%eax
  mov    $0x1,%ecx
L364:
  mov    %cl,(%rsi)
  lea    0xc(%rdx),%ecx
  cmp    %ecx,%ebp
  jbe    L403
  comisd (%r12,%rcx,8),%xmm1
  lea    (%rbx,%rcx,1),%rsi
  jbe    L883
  add    $0x1,%eax
  mov    $0x1,%ecx
L1057:
  mov    %cl,(%rsi)
  lea    0xd(%rdx),%ecx
  cmp    %ecx,%ebp
  jbe    L403
  comisd (%r12,%rcx,8),%xmm1
  lea    (%rbx,%rcx,1),%rsi
  jbe    L73
  add    $0x1,%eax
  mov    $0x1,%ecx
L781:
  add    $0xe,%edx
  mov    %cl,(%rsi)
  cmp    %edx,%ebp
  jbe    L403
  comisd (%r12,%rdx,8),%xmm1
  lea    (%rbx,%rdx,1),%rcx
  ja     L484
  xor    %edx,%edx
L647:
  mov    %dl,(%rcx)
  nopw   0x0(%rax,%rax,1)
L403:
  cmp    $0x7,%eax
  jbe    L51
  xor    %eax,%eax
  xor    %edx,%edx
  nopl   (%rax)
L955:
  cmpb   $0x0,(%rbx,%rax,1)
  je     L1003
  mov    %edx,%ecx
  add    $0x1,%edx
  mov    %eax,(%r14,%rcx,4)
L1003:
  add    $0x1,%rax
  cmp    %rax,%r13
  jne    L955
  mov    0x18(%rsp),%r8
  mov    0x8(%rsp),%rcx
  mov    %r14,%rsi
  xor    %eax,%eax
  mov    (%rsp),%rdi
  movsd  %xmm1,0x10(%rsp)
  call   <u2f@plt>
  addl   $0x1,0x20(%rsp)
  movsd  0x10(%rsp),%xmm1
  mov    0x20(%rsp),%eax
  subsd  0x28(%rsp),%xmm1
  cmp    %eax,0x24(%rsp)
  jne    L934
  mov    0x8(%rsp),%r15
  mov    (%rsp),%rdi
  mov    %ebp,%ecx
  mov    %r12,%rdx
  xor    %eax,%eax
  mov    %r14,%r13
  mov    %r15,%rsi
  call   <FDs@plt>
L802:
  test   %ebp,%ebp
  mov    $0x1,%esi
  cmovne %ebp,%esi
  cmp    $0xf,%ebp
  jbe    L378
  mov    %esi,%ecx
  movsd  0x38(%rsp),%xmm4
  mov    %r12,%rax
  mov    %rbx,%rdx
  shr    $0x4,%ecx
  movdqa D7(%rip),%xmm3
  movdqa D20(%rip),%xmm7
  pxor   %xmm6,%xmm6
  shl    $0x7,%rcx
  unpcklpd %xmm4,%xmm4
  add    %r12,%rcx
  nopl   0x0(%rax,%rax,1)
L65:
  movupd (%rax),%xmm0
  movupd 0x10(%rax),%xmm11
  sub    $0xffffffffffffff80,%rax
  add    $0x10,%rdx
  movupd -0x40(%rax),%xmm1
  movupd -0x30(%rax),%xmm9
  movupd -0x20(%rax),%xmm2
  movupd -0x10(%rax),%xmm5
  cmpltpd %xmm4,%xmm0
  cmpltpd %xmm4,%xmm11
  movupd -0x60(%rax),%xmm8
  movupd -0x50(%rax),%xmm10
  cmpltpd %xmm4,%xmm1
  cmpltpd %xmm4,%xmm9
  cmpltpd %xmm4,%xmm2
  cmpltpd %xmm4,%xmm5
  cmpltpd %xmm4,%xmm8
  cmpltpd %xmm4,%xmm10
  pand   %xmm3,%xmm0
  pand   %xmm3,%xmm9
  pand   %xmm3,%xmm11
  pand   %xmm3,%xmm1
  pand   %xmm3,%xmm5
  pand   %xmm3,%xmm2
  shufps $0x88,%xmm9,%xmm1
  shufps $0x88,%xmm11,%xmm0
  shufps $0x88,%xmm5,%xmm2
  movdqa %xmm0,%xmm9
  movdqa %xmm1,%xmm5
  pand   %xmm3,%xmm8
  pand   %xmm3,%xmm10
  paddd  %xmm2,%xmm5
  shufps $0x88,%xmm10,%xmm8
  paddd  %xmm8,%xmm9
  paddd  %xmm9,%xmm5
  paddd  %xmm5,%xmm6
  movdqa %xmm0,%xmm5
  punpcklwd %xmm8,%xmm0
  punpckhwd %xmm8,%xmm5
  movdqa %xmm0,%xmm8
  punpckhwd %xmm5,%xmm8
  punpcklwd %xmm5,%xmm0
  movdqa %xmm1,%xmm5
  punpcklwd %xmm2,%xmm1
  punpckhwd %xmm2,%xmm5
  punpcklwd %xmm8,%xmm0
  movdqa %xmm1,%xmm2
  punpcklwd %xmm5,%xmm1
  pand   %xmm7,%xmm0
  punpckhwd %xmm5,%xmm2
  punpcklwd %xmm2,%xmm1
  pand   %xmm7,%xmm1
  packuswb %xmm1,%xmm0
  movups %xmm0,-0x10(%rdx)
  cmp    %rcx,%rax
  jne    L65
  movdqa %xmm6,%xmm0
  mov    %esi,%eax
  psrldq $0x8,%xmm0
  and    $0xfffffff0,%eax
  and    $0xf,%esi
  paddd  %xmm0,%xmm6
  movdqa %xmm6,%xmm0
  psrldq $0x4,%xmm0
  paddd  %xmm0,%xmm6
  movd   %xmm6,%r14d
  je     L130
L55:
  mov    %eax,%edx
  movsd  0x38(%rsp),%xmm7
  comisd (%r12,%rdx,8),%xmm7
  lea    (%rbx,%rdx,1),%rcx
  jbe    L589
  add    $0x1,%r14d
  mov    $0x1,%edx
L534:
  mov    %dl,(%rcx)
  lea    0x1(%rax),%edx
  cmp    %edx,%ebp
  jbe    L130
  movsd  0x38(%rsp),%xmm7
  comisd (%r12,%rdx,8),%xmm7
  lea    (%rbx,%rdx,1),%rcx
  ja     L827
  xor    %edx,%edx
L734:
  mov    %dl,(%rcx)
  lea    0x2(%rax),%edx
  cmp    %edx,%ebp
  jbe    L130
  movsd  0x38(%rsp),%xmm7
  comisd (%r12,%rdx,8),%xmm7
  lea    (%rbx,%rdx,1),%rcx
  jbe    L134
  add    $0x1,%r14d
  mov    $0x1,%edx
L321:
  mov    %dl,(%rcx)
  lea    0x3(%rax),%edx
  cmp    %edx,%ebp
  jbe    L130
  movsd  0x38(%rsp),%xmm7
  comisd (%r12,%rdx,8),%xmm7
  lea    (%rbx,%rdx,1),%rcx
  jbe    L1001
  add    $0x1,%r14d
  mov    $0x1,%edx
L1021:
  mov    %dl,(%rcx)
  lea    0x4(%rax),%edx
  cmp    %edx,%ebp
  jbe    L130
  movsd  0x38(%rsp),%xmm7
  comisd (%r12,%rdx,8),%xmm7
  lea    (%rbx,%rdx,1),%rcx
  jbe    L341
  add    $0x1,%r14d
  mov    $0x1,%edx
L773:
  mov    %dl,(%rcx)
  lea    0x5(%rax),%edx
  cmp    %ebp,%edx
  jae    L130
  movsd  0x38(%rsp),%xmm7
  comisd (%r12,%rdx,8),%xmm7
  lea    (%rbx,%rdx,1),%rcx
  jbe    L131
  add    $0x1,%r14d
  mov    $0x1,%edx
L369:
  mov    %dl,(%rcx)
  lea    0x6(%rax),%edx
  cmp    %ebp,%edx
  jae    L130
  movsd  0x38(%rsp),%xmm7
  comisd (%r12,%rdx,8),%xmm7
  lea    (%rbx,%rdx,1),%rcx
  jbe    L425
  add    $0x1,%r14d
  mov    $0x1,%edx
L245:
  mov    %dl,(%rcx)
  lea    0x7(%rax),%edx
  cmp    %edx,%ebp
  jbe    L130
  movsd  0x38(%rsp),%xmm7
  comisd (%r12,%rdx,8),%xmm7
  lea    (%rbx,%rdx,1),%rcx
  jbe    L363
  add    $0x1,%r14d
  mov    $0x1,%edx
L142:
  mov    %dl,(%rcx)
  lea    0x8(%rax),%edx
  cmp    %edx,%ebp
  jbe    L130
  movsd  0x38(%rsp),%xmm7
  comisd (%r12,%rdx,8),%xmm7
  lea    (%rbx,%rdx,1),%rcx
  jbe    L798
  add    $0x1,%r14d
  mov    $0x1,%edx
L1059:
  mov    %dl,(%rcx)
  lea    0x9(%rax),%edx
  cmp    %edx,%ebp
  jbe    L130
  movsd  0x38(%rsp),%xmm7
  comisd (%r12,%rdx,8),%xmm7
  lea    (%rbx,%rdx,1),%rcx
  jbe    L298
  add    $0x1,%r14d
  mov    $0x1,%edx
L0:
  mov    %dl,(%rcx)
  lea    0xa(%rax),%edx
  cmp    %edx,%ebp
  jbe    L130
  movsd  0x38(%rsp),%xmm7
  comisd (%r12,%rdx,8),%xmm7
  lea    (%rbx,%rdx,1),%rcx
  jbe    L141
  add    $0x1,%r14d
  mov    $0x1,%edx
L517:
  mov    %dl,(%rcx)
  lea    0xb(%rax),%edx
  cmp    %edx,%ebp
  jbe    L130
  movsd  0x38(%rsp),%xmm7
  comisd (%r12,%rdx,8),%xmm7
  lea    (%rbx,%rdx,1),%rcx
  jbe    L820
  add    $0x1,%r14d
  mov    $0x1,%edx
L464:
  mov    %dl,(%rcx)
  lea    0xc(%rax),%edx
  cmp    %edx,%ebp
  jbe    L130
  movsd  0x38(%rsp),%xmm7
  comisd (%r12,%rdx,8),%xmm7
  lea    (%rbx,%rdx,1),%rcx
  jbe    L216
  add    $0x1,%r14d
  mov    $0x1,%edx
L472:
  mov    %dl,(%rcx)
  lea    0xd(%rax),%edx
  cmp    %edx,%ebp
  jbe    L130
  movsd  0x38(%rsp),%xmm7
  comisd (%r12,%rdx,8),%xmm7
  lea    (%rbx,%rdx,1),%rcx
  ja     L213
  xor    %edx,%edx
L812:
  add    $0xe,%eax
  mov    %dl,(%rcx)
  cmp    %eax,%ebp
  jbe    L130
  movsd  0x38(%rsp),%xmm7
  add    %rax,%rbx
  comisd (%r12,%rax,8),%xmm7
  ja     L58
  xor    %eax,%eax
  mov    %al,(%rbx)
L130:
  mov    %r13,%rdi
  call   <free@plt>
  mov    %r12,%rdi
  call   <free@plt>
  mov    0x18(%rsp),%rdi
  call   <free@plt>
L444:
  add    $0x48,%rsp
  mov    %r14d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L176:
  xor    %ecx,%ecx
  jmp    L919
  nopw   0x0(%rax,%rax,1)
L377:
  xor    %ecx,%ecx
  jmp    L1006
  nopw   0x0(%rax,%rax,1)
L99:
  xor    %ecx,%ecx
  jmp    L407
  nopw   0x0(%rax,%rax,1)
L355:
  xor    %ecx,%ecx
  jmp    L849
  nopw   0x0(%rax,%rax,1)
L835:
  xor    %ecx,%ecx
  jmp    L871
  nopw   0x0(%rax,%rax,1)
L693:
  xor    %ecx,%ecx
  jmp    L967
  nopw   0x0(%rax,%rax,1)
L469:
  xor    %ecx,%ecx
  jmp    L699
  nopw   0x0(%rax,%rax,1)
L1011:
  xor    %ecx,%ecx
  jmp    L506
  nopw   0x0(%rax,%rax,1)
L25:
  xor    %ecx,%ecx
  jmp    L212
  nopw   0x0(%rax,%rax,1)
L482:
  xor    %ecx,%ecx
  jmp    L945
  nopw   0x0(%rax,%rax,1)
L345:
  xor    %ecx,%ecx
  jmp    L465
  nopw   0x0(%rax,%rax,1)
L330:
  xor    %ecx,%ecx
  jmp    L364
  nopw   0x0(%rax,%rax,1)
L258:
  mov    %r14,%r13
L249:
  mov    %r13,%rdi
  mov    %ebp,%r14d
  call   <free@plt>
  mov    %r12,%rdi
  call   <free@plt>
  mov    0x18(%rsp),%rdi
  call   <free@plt>
  jmp    L444
  nopl   (%rax)
L883:
  xor    %ecx,%ecx
  jmp    L1057
  nop
L73:
  xor    %ecx,%ecx
  jmp    L781
L5:
  xor    %eax,%eax
  xor    %edx,%edx
  jmp    L926
L484:
  add    $0x1,%eax
  mov    $0x1,%edx
  jmp    L647
L589:
  xor    %edx,%edx
  jmp    L534
L827:
  add    $0x1,%r14d
  mov    $0x1,%edx
  jmp    L734
L134:
  xor    %edx,%edx
  jmp    L321
L1001:
  xor    %edx,%edx
  jmp    L1021
L341:
  xor    %edx,%edx
  jmp    L773
L51:
  mov    %r14,%r13
  mov    %eax,%ebp
  jmp    L249
L131:
  xor    %edx,%edx
  jmp    L369
L425:
  xor    %edx,%edx
  jmp    L245
L363:
  xor    %edx,%edx
  jmp    L142
L798:
  xor    %edx,%edx
  jmp    L1059
L298:
  xor    %edx,%edx
  jmp    L0
L141:
  xor    %edx,%edx
  jmp    L517
L938:
  mov    (%rsp),%rdi
  xor    %eax,%eax
  mov    %r14d,%ecx
  mov    %r12,%rdx
  mov    %r15,%rsi
  call   <FDs@plt>
  test   %r14d,%r14d
  jne    L802
  xor    %r14d,%r14d
  jmp    L130
L820:
  xor    %edx,%edx
  jmp    L464
L216:
  xor    %edx,%edx
  jmp    L472
L213:
  add    $0x1,%r14d
  mov    $0x1,%edx
  jmp    L812
L378:
  xor    %r14d,%r14d
  xor    %eax,%eax
  jmp    L55
L58:
  mov    $0x1,%eax
  add    $0x1,%r14d
  mov    %al,(%rbx)
  jmp    L130
```

tool_calls: name: retrieve_data
arguments: data_tag: D7
datatype: byte[16]
name: retrieve_data
arguments: data_tag: D20
datatype: byte[16]

tool: {"D7": [0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00]}

tool: {"D20": [0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00]}

assistant: ```c
unsigned u2Fit(double *u, unsigned len, double *F, unsigned char *inl, double th, double ths, unsigned iters) {
  double dth = (ths - th) / (iters - 1);
  unsigned iter, i, no_i;
  int *inlI = (int *)malloc(len * sizeof(int));
  double *Ds = (double *)malloc(len * sizeof(double));
  double *buffer = (double *)malloc(9 * len * sizeof(double));
  for (iter = 0; iter < iters; ++iter) {
    FDs(u, F, Ds, len);
    no_i = 0;
    for (i = 0; i < len; ++i) {
      if (Ds[i] < ths) {
        inl[i] = 1;
        ++no_i;
      } else {
        inl[i] = 0;
      }
    }
    if (no_i < 8) {
      free(inlI);
      free(Ds);
      free(buffer);
      return no_i;
    }
    no_i = 0;
    for (i = 0; i < len; ++i) {
      if (inl[i]) {
        inlI[no_i++] = i;
      }
    }
    u2f(u, inlI, no_i, F, buffer);
    ths -= dth;
  }
  FDs(u, F, Ds, len);
  no_i = 0;
  for (i = 0; i < len; ++i) {
    if (Ds[i] < th) {
      inl[i] = 1;
      ++no_i;
    } else {
      inl[i] = 0;
    }
  }
  free(inlI);
  free(Ds);
  free(buffer);
  return no_i;
}
```