user: Translate the below assembly code into C programming language:

```asm
<autocorr>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x48,%rsp
  mov    %edx,0x1c(%rsp)
  test   %esi,%esi
  jle    L238
  pxor   %xmm2,%xmm2
  mov    %rdi,%r15
  mov    %esi,%eax
  cvtsi2sd %esi,%xmm2
  cmp    $0x1,%esi
  je     L63
  shr    %esi
  mov    %rdi,%rdx
  pxor   %xmm7,%xmm7
  lea    -0x1(%rsi),%edi
  lea    0x10(%r15),%rsi
  movsd  %xmm7,0x10(%rsp)
  movapd %xmm7,%xmm0
  shl    $0x4,%rdi
  add    %rsi,%rdi
  nopl   (%rax)
L171:
  movsd  (%rdx),%xmm1
  add    $0x10,%rdx
  addsd  %xmm1,%xmm0
  movsd  -0x8(%rdx),%xmm1
  addsd  %xmm1,%xmm0
  cmp    %rdi,%rdx
  jne    L171
  mov    %eax,%edx
  and    $0xfffffffe,%edx
  cmp    %edx,%eax
  je     L227
L155:
  movslq %edx,%rdx
  addsd  (%r15,%rdx,8),%xmm0
  divsd  %xmm2,%xmm0
  cmp    $0x1,%eax
  je     L198
  lea    0x10(%r15),%rsi
L206:
  mov    %eax,%edi
  movapd %xmm0,%xmm3
  mov    %r15,%rdx
  shr    %edi
  unpcklpd %xmm3,%xmm3
  sub    $0x1,%edi
  shl    $0x4,%rdi
  add    %rsi,%rdi
  nopw   0x0(%rax,%rax,1)
L73:
  movupd (%rdx),%xmm1
  add    $0x10,%rdx
  subpd  %xmm3,%xmm1
  movups %xmm1,-0x10(%rdx)
  cmp    %rdi,%rdx
  jne    L73
  mov    %eax,%edx
  and    $0xfffffffe,%edx
  test   $0x1,%al
  je     L180
L292:
  movslq %edx,%rdx
  lea    (%r15,%rdx,8),%rdx
  movsd  (%rdx),%xmm1
  subsd  %xmm0,%xmm1
  movsd  %xmm1,(%rdx)
  cmp    $0x1,%eax
  je     L80
  lea    0x10(%r15),%rsi
L180:
  mov    %eax,%edi
  mov    %r15,%rdx
  pxor   %xmm1,%xmm1
  shr    %edi
  sub    $0x1,%edi
  shl    $0x4,%rdi
  add    %rdi,%rsi
  nopl   0x0(%rax,%rax,1)
L159:
  movupd (%rdx),%xmm0
  add    $0x10,%rdx
  mulpd  %xmm0,%xmm0
  addsd  %xmm0,%xmm1
  unpckhpd %xmm0,%xmm0
  addsd  %xmm0,%xmm1
  cmp    %rsi,%rdx
  jne    L159
  mov    %eax,%edx
  and    $0xfffffffe,%edx
  cmp    %eax,%edx
  je     L211
L271:
  movslq %edx,%rdx
  mov    %eax,%ebx
  movsd  (%r15,%rdx,8),%xmm0
  shr    $0x1f,%ebx
  add    %eax,%ebx
  mulsd  %xmm0,%xmm0
  sar    %ebx
  addsd  %xmm1,%xmm0
  divsd  %xmm2,%xmm0
  movsd  %xmm0,0x8(%rsp)
  cmp    $0x1,%eax
  jle    L238
L188:
  movl   $0x0,0x24(%rsp)
  mov    %eax,%ebp
  xor    %r14d,%r14d
  xor    %r12d,%r12d
  movl   $0x0,0x20(%rsp)
  nop
L16:
  mov    %r14d,%r13d
  pxor   %xmm0,%xmm0
  test   %ebp,%ebp
  jle    L202
  cmp    $0x1,%ebp
  je     L117
  mov    %ebp,%edi
  lea    (%r15,%r14,8),%r10
  pxor   %xmm0,%xmm0
  xor    %eax,%eax
  shr    %edi
  shl    $0x4,%rdi
  cs nopw 0x0(%rax,%rax,1)
L162:
  movupd (%r10,%rax,1),%xmm1
  movupd (%r15,%rax,1),%xmm4
  add    $0x10,%rax
  mulpd  %xmm4,%xmm1
  addsd  %xmm1,%xmm0
  unpckhpd %xmm1,%xmm1
  addsd  %xmm1,%xmm0
  cmp    %rax,%rdi
  jne    L162
  mov    %ebp,%eax
  and    $0xfffffffe,%eax
  test   $0x1,%bpl
  je     L202
L60:
  cltq
  lea    (%r14,%rax,1),%rdi
  movsd  (%r15,%rdi,8),%xmm1
  mulsd  (%r15,%rax,8),%xmm1
  addsd  %xmm1,%xmm0
L202:
  pxor   %xmm2,%xmm2
  movsd  D17(%rip),%xmm6
  cvtsi2sd %ebp,%xmm2
  mulsd  0x8(%rsp),%xmm2
  divsd  %xmm2,%xmm0
  movapd %xmm0,%xmm1
  andpd  D12(%rip),%xmm0
  comisd %xmm0,%xmm6
  sbb    $0xffffffff,%r12d
  cmp    $0x1,%r12d
  jle    L273
  mov    0x1c(%rsp),%edi
  test   %edi,%edi
  jne    L81
  movapd %xmm1,%xmm0
  mov    %r13d,%esi
  lea    D5(%rip),%rdi
  call   <printf@plt>
  movl   $0x1,0x20(%rsp)
L101:
  add    $0x1,%r14
  sub    $0x1,%ebp
  cmp    %r14d,%ebx
  jg     L16
L53:
  mov    0x1c(%rsp),%eax
  test   %eax,%eax
  je     L184
L83:
  mov    0x24(%rsp),%eax
  add    $0x48,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L273:
  mov    0x1c(%rsp),%esi
  test   %esi,%esi
  je     L163
  movzbl 0x20(%rsp),%eax
  mov    %al,0x28(%rsp)
L329:
  movapd %xmm1,%xmm0
  movsd  %xmm1,0x30(%rsp)
  call   <exp@plt>
  mov    %r13d,%esi
  lea    D5(%rip),%rdi
  call   <printf@plt>
  mov    0x24(%rsp),%ecx
  test   %ecx,%ecx
  jne    L101
  cmpb   $0x0,0x28(%rsp)
  je     L101
  movsd  0x30(%rsp),%xmm1
  movapd %xmm1,%xmm0
  call   <exp@plt>
  movsd  D0(%rip),%xmm1
  movapd %xmm0,%xmm2
  pxor   %xmm0,%xmm0
  cvtsi2sd %r13d,%xmm0
  subsd  %xmm2,%xmm1
  divsd  %xmm1,%xmm0
  call   <ceil@plt>
  mov    %eax,0x24(%rsp)
  jmp    L101
  nopl   0x0(%rax)
L81:
  movb   $0x1,0x28(%rsp)
  movl   $0x1,0x20(%rsp)
  jmp    L329
  nop
L163:
  movapd %xmm1,%xmm0
  mov    %r13d,%esi
  lea    D5(%rip),%rdi
  movsd  %xmm1,0x28(%rsp)
  call   <printf@plt>
  mov    0x20(%rsp),%edx
  test   %edx,%edx
  jne    L101
  movsd  0x28(%rsp),%xmm1
  addsd  0x38(%rsp),%xmm1
  movsd  %xmm1,0x38(%rsp)
  jmp    L101
  nopl   0x0(%rax)
L198:
  xor    %edx,%edx
  jmp    L292
  nopw   0x0(%rax,%rax,1)
L80:
  pxor   %xmm1,%xmm1
  xor    %edx,%edx
  jmp    L271
L117:
  pxor   %xmm0,%xmm0
  xor    %eax,%eax
  jmp    L60
L184:
  movsd  0x38(%rsp),%xmm0
  call   <ceil@plt>
  mov    %eax,0x24(%rsp)
  jmp    L83
L211:
  divsd  %xmm2,%xmm1
  mov    %eax,%ebx
  sar    %ebx
  movsd  %xmm1,0x8(%rsp)
  jmp    L188
L227:
  divsd  %xmm2,%xmm0
  jmp    L206
L238:
  movl   $0x0,0x24(%rsp)
  jmp    L53
L63:
  pxor   %xmm5,%xmm5
  xor    %edx,%edx
  movsd  %xmm5,0x10(%rsp)
  movapd %xmm5,%xmm0
  jmp    L155
```

tool_calls: name: retrieve_data
arguments: label: D17
type: f64
name: retrieve_data
arguments: label: D12
type: qword[2]
name: retrieve_data
arguments: label: D5
type: string
name: retrieve_data
arguments: label: D0
type: byte[8]

tool: D17: 0.01

tool: {"D12": [0x7fffffffffffffff,0x0000000000000000]}

tool: D5: %d %f


tool: {"D0": [0x69,0x57,0x14,0x8b,0x0a,0xbf,0x05,0x40]}

assistant: ```c
int autocorr(double *dat, int num, int log_scale) {
  int i, j;
  double avg = 0;
  double norm = 0;
  double ac = 0;
  int hits = 0;
  int decayed = 0;
  double ac_integral;
  int corr_time = 0;
  int log_corr_time = 0;
  for (i = 0; i < num; i++)
    avg += *(dat + i);
  avg /= num;
  for (i = 0; i < num; i++)
    *(dat + i) -= avg;
  for (i = 0; i < num; i++) {
    norm += *(dat + i) * (*(dat + i));
  }
  norm /= num;
  for (i = 0; i < (num / 2); i++) {
    ac = 0;
    for (j = 0; j < (num - i); j++) {
      ac += *(dat + j) * (*(dat + i + j));
    }
    ac /= (num - i) * norm;
    if (fabs(ac) <= 0.01)
      ++hits;
    if (hits >= 2)
      decayed = 1;
    if (log_scale) {
      printf("%d %f\n", i, exp(ac));
      if (decayed && !log_corr_time) {
        log_corr_time = (int)(ceil(((double)i) / (exp(1.0) - exp(ac))));
      }
    } else {
      printf("%d %f\n", i, ac);
      if (!decayed)
        ac_integral += ac;
    }
  }
  if (log_scale)
    corr_time = log_corr_time;
  else
    corr_time = (int)ceil(ac_integral);
  return (corr_time);
}
```