user: 这段汇编代码用C语言表示是什么样的?

```asm
<detect_endpoints>:
  endbr64
  push   %r13
  pxor   %xmm3,%xmm3
  mov    %esi,%r13d
  push   %r12
  lea    -0x1(%rsi),%r12d
  push   %rbp
  cvtsi2ss %r12d,%xmm3
  mov    %rdx,%rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x8,%rsp
  cmp    $0x1,%esi
  jle    L131
  lea    -0x2(%rsi),%esi
  cmp    $0x2,%esi
  jbe    L229
  mov    %r12d,%edx
  lea    0x10(%rdi),%rcx
  pxor   %xmm1,%xmm1
  mov    %rdi,%rax
  shr    $0x2,%edx
  movaps %xmm1,%xmm2
  sub    $0x1,%edx
  shl    $0x4,%rdx
  add    %rcx,%rdx
  nopw   0x0(%rax,%rax,1)
L6:
  movups 0x4(%rax),%xmm0
  movups (%rax),%xmm6
  add    $0x10,%rax
  subps  %xmm6,%xmm0
  addss  %xmm0,%xmm2
  movaps %xmm0,%xmm4
  shufps $0x55,%xmm0,%xmm4
  addss  %xmm4,%xmm2
  movaps %xmm0,%xmm4
  unpckhps %xmm0,%xmm4
  shufps $0xff,%xmm0,%xmm0
  addss  %xmm4,%xmm2
  addss  %xmm0,%xmm2
  cmp    %rax,%rdx
  jne    L6
  mov    %r12d,%edx
  and    $0xfffffffc,%edx
  lea    0x1(%rdx),%eax
  cmp    %edx,%r12d
  je     L118
L194:
  movslq %eax,%rdx
  lea    0x1(%rax),%edi
  shl    $0x2,%rdx
  lea    (%rbx,%rdx,1),%rcx
  cmp    %r12d,%edi
  jge    L217
  cmp    %eax,%r13d
  jle    L217
  movss  (%rcx),%xmm0
  lea    0x3(%rax),%edi
  movaps %xmm0,%xmm4
  subss  -0x4(%rcx),%xmm4
  lea    0x2(%rax),%ecx
  addss  %xmm4,%xmm2
  movss  0x4(%rbx,%rdx,1),%xmm4
  movaps %xmm4,%xmm5
  subss  %xmm0,%xmm5
  addss  %xmm5,%xmm2
  cmp    %edi,%r12d
  jg     L98
L65:
  movslq %ecx,%rax
  movss  (%rbx,%rax,4),%xmm5
  lea    0x0(,%rax,4),%rdx
  movaps %xmm5,%xmm4
  subss  -0x4(%rbx,%rax,4),%xmm4
  lea    0x1(%rcx),%eax
  addss  %xmm2,%xmm4
  cmp    %eax,%r13d
  jle    L13
  movss  0x4(%rbx,%rdx,1),%xmm0
  add    $0x2,%ecx
  subss  %xmm5,%xmm0
  addss  %xmm0,%xmm4
  cmp    %ecx,%r13d
  jle    L13
  movss  0x8(%rbx,%rdx,1),%xmm0
  subss  0x4(%rbx,%rdx,1),%xmm0
  addss  %xmm0,%xmm4
L13:
  divss  %xmm3,%xmm4
  cmp    $0x2,%esi
  jbe    L119
  lea    0x10(%rbx),%rcx
L190:
  mov    %r12d,%edx
  movaps %xmm4,%xmm5
  mov    %rbx,%rax
  shr    $0x2,%edx
  shufps $0x0,%xmm5,%xmm5
  sub    $0x1,%edx
  shl    $0x4,%rdx
  add    %rcx,%rdx
  nopl   0x0(%rax)
L163:
  movups 0x4(%rax),%xmm0
  movups (%rax),%xmm7
  add    $0x10,%rax
  subps  %xmm7,%xmm0
  subps  %xmm5,%xmm0
  mulps  %xmm0,%xmm0
  addss  %xmm0,%xmm1
  movaps %xmm0,%xmm2
  shufps $0x55,%xmm0,%xmm2
  addss  %xmm1,%xmm2
  movaps %xmm0,%xmm1
  unpckhps %xmm0,%xmm1
  shufps $0xff,%xmm0,%xmm0
  addss  %xmm2,%xmm1
  addss  %xmm0,%xmm1
  cmp    %rdx,%rax
  jne    L163
  mov    %r12d,%edx
  and    $0xfffffffc,%edx
  lea    0x1(%rdx),%eax
  cmp    %r12d,%edx
  je     L208
L224:
  mov    %r13d,%esi
  sub    %edx,%esi
  lea    -0x1(%rsi),%ecx
  cmp    $0x2,%esi
  je     L205
  add    $0x1,%edx
  movq   -0x4(%rbx,%rdx,4),%xmm2
  movq   (%rbx,%rdx,4),%xmm0
  mov    %ecx,%edx
  and    $0xfffffffe,%edx
  subps  %xmm2,%xmm0
  movaps %xmm4,%xmm2
  add    %edx,%eax
  shufps $0xe0,%xmm2,%xmm2
  subps  %xmm2,%xmm0
  mulps  %xmm0,%xmm0
  addss  %xmm0,%xmm1
  shufps $0xe5,%xmm0,%xmm0
  addss  %xmm0,%xmm1
  cmp    %edx,%ecx
  je     L208
L205:
  cltq
  movss  (%rbx,%rax,4),%xmm0
  subss  -0x4(%rbx,%rax,4),%xmm0
  subss  %xmm4,%xmm0
  mulss  %xmm0,%xmm0
  addss  %xmm0,%xmm1
L208:
  divss  %xmm3,%xmm1
  movaps %xmm1,%xmm0
  call   <sqrt@plt>
  pxor   %xmm1,%xmm1
  cvtsi2ss %rax,%xmm1
  mulss  D1(%rip),%xmm1
  cmp    $0x1,%r12d
  jle    L204
  lea    -0x3(%r13),%edi
  xor    %eax,%eax
  xor    %r8d,%r8d
  xor    %edx,%edx
  jmp    L59
  nopw   0x0(%rax,%rax,1)
L197:
  mov    %rcx,%rax
L59:
  movss  0x4(%rbx,%rax,4),%xmm0
  subss  (%rbx,%rax,4),%xmm0
  lea    0x2(%rax),%esi
  comiss %xmm1,%xmm0
  jbe    L174
  movd   %edx,%xmm0
  lea    (%r8,%r8,1),%ecx
  movd   %eax,%xmm3
  add    $0x1,%r8d
  punpckldq %xmm3,%xmm0
  movslq %ecx,%rcx
  mov    %esi,%edx
  movq   %xmm0,0x0(%rbp,%rcx,4)
L174:
  lea    0x1(%rax),%rcx
  cmp    %rax,%rdi
  jne    L197
  lea    (%r8,%r8,1),%eax
  cltq
  lea    0x0(%rbp,%rax,4),%rbp
L29:
  movl   $0xffffffff,0x0(%rbp)
  add    $0x8,%rsp
  mov    %r8d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  xchg   %ax,%ax
L98:
  movss  0x8(%rbx,%rdx,1),%xmm0
  lea    0x5(%rax),%edi
  lea    0x4(%rax),%ecx
  movaps %xmm0,%xmm5
  subss  %xmm4,%xmm5
  movss  0xc(%rbx,%rdx,1),%xmm4
  addss  %xmm5,%xmm2
  movaps %xmm4,%xmm5
  subss  %xmm0,%xmm5
  addss  %xmm5,%xmm2
  cmp    %edi,%r12d
  jle    L65
  movss  0x10(%rbx,%rdx,1),%xmm5
  lea    0x6(%rax),%ecx
  movaps %xmm5,%xmm0
  subss  %xmm4,%xmm0
  addss  %xmm0,%xmm2
  movss  0x14(%rbx,%rdx,1),%xmm0
  subss  %xmm5,%xmm0
  addss  %xmm0,%xmm2
  jmp    L65
  nopl   0x0(%rax,%rax,1)
L118:
  movaps %xmm2,%xmm4
  divss  %xmm3,%xmm4
  jmp    L190
  nopl   0x0(%rax)
L204:
  xor    %r8d,%r8d
  jmp    L29
  nopl   0x0(%rax,%rax,1)
L131:
  pxor   %xmm1,%xmm1
  jmp    L208
L229:
  pxor   %xmm1,%xmm1
  mov    $0x1,%eax
  movaps %xmm1,%xmm2
  jmp    L194
L119:
  xor    %edx,%edx
  mov    $0x1,%eax
  jmp    L224
L217:
  mov    %eax,%ecx
  jmp    L65
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D1
data_type: byte[4]

tool: {"D1": [0x00,0x00,0x20,0x41]}

assistant: ```c
int detect_endpoints(float timestamp[], int series_length, int endpoints[]) {
  int start_index = 0;
  float variance;
  float threshold, dt, mean_dt = 0, dt_variance = 0;
  int i, ctr = 0;
  for (i = 1; i < series_length; i++) {
    mean_dt += timestamp[i] - timestamp[i - 1];
  }
  mean_dt /= (series_length - 1);
  for (i = 1; i < series_length; i++) {
    variance = (timestamp[i] - timestamp[i - 1]) - mean_dt;
    dt_variance += variance * variance;
  }
  dt_variance = (float)sqrt(dt_variance / (series_length - 1));
  threshold = dt_variance * 10;
  for (i = 1; i < series_length - 1; i++) {
    dt = timestamp[i] - timestamp[i - 1];
    if (dt > threshold) {
      endpoints[ctr * 2] = start_index;
      endpoints[ctr * 2 + 1] = i - 1;
      ctr++;
      start_index = i + 1;
    }
  }
  endpoints[ctr * 2] = -1;
  return ctr;
}
```