user: 请从给定的汇编指令推导出C源代码:

```asm
<dtw_distance>:
  endbr64
  push   %r15
  push   %r14
  mov    %r8d,%r14d
  push   %r13
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x38,%rsp
  mov    %ecx,0x1c(%rsp)
  lea    (%r8,%r8,1),%ecx
  lea    0x1(%rcx),%r15d
  mov    %ecx,(%rsp)
  lea    0x0(,%r15,8),%r13d
  mov    %rdx,0x28(%rsp)
  mov    %r13d,%edi
  movsd  %xmm0,0x8(%rsp)
  call   <malloc@plt>
  mov    (%rsp),%ecx
  movsd  0x8(%rsp),%xmm5
  mov    %rax,%rbp
  test   %ecx,%ecx
  js     L108
  movslq %ecx,%rdx
  movsd  D7(%rip),%xmm3
  lea    0x8(,%rdx,8),%rdx
  lea    (%rax,%rdx,1),%rcx
L23:
  movsd  %xmm3,(%rax)
  add    $0x8,%rax
  cmp    %rcx,%rax
  jne    L23
  mov    %r13d,%edi
  mov    %rdx,0x8(%rsp)
  movsd  %xmm3,0x20(%rsp)
  movsd  %xmm5,0x10(%rsp)
  call   <malloc@plt>
  mov    0x8(%rsp),%rdx
  movsd  0x10(%rsp),%xmm5
  movsd  0x20(%rsp),%xmm3
  mov    %rax,%r13
  add    %rax,%rdx
  nopl   (%rax)
L6:
  movsd  %xmm3,(%rax)
  add    $0x8,%rax
  cmp    %rdx,%rax
  jne    L6
L127:
  movslq 0x1c(%rsp),%rax
  test   %eax,%eax
  jle    L46
  mov    %rax,0x20(%rsp)
  lea    -0x1(%rax),%ecx
  mov    %r14d,%r15d
  mov    %r14d,%r11d
  movsd  D7(%rip),%xmm3
  mov    %ecx,0x8(%rsp)
  xor    %ecx,%ecx
  cs nopw 0x0(%rax,%rax,1)
L178:
  xor    %eax,%eax
  test   %r15d,%r15d
  mov    %r15d,%r14d
  mov    0x8(%rsp),%edi
  cmovns %r15d,%eax
  neg    %r14d
  movapd %xmm3,%xmm0
  mov    %ecx,%r9d
  movslq %eax,%rdx
  mov    $0x0,%eax
  cmovs  %eax,%r14d
  cmp    0x1c(%rsp),%r11d
  mov    %edx,0x10(%rsp)
  cmovl  %r11d,%edi
  movslq %r14d,%rax
  jmp    L134
  nopl   0x0(%rax,%rax,1)
L87:
  mov    %edx,%r10d
  test   %esi,%esi
  jle    L102
  test   %edx,%edx
  jle    L102
  movsd  -0x8(%rbp,%rdx,8),%xmm2
  test   %rcx,%rcx
  je     L154
  cmp    %edx,(%rsp)
  jg     L157
  movapd %xmm3,%xmm4
L236:
  movsd  0x0(%r13,%rdx,8),%xmm1
L221:
  minsd  %xmm2,%xmm4
  movapd %xmm4,%xmm2
L197:
  minsd  %xmm1,%xmm2
L239:
  movsd  (%rbx,%rcx,8),%xmm1
  subsd  (%r12,%rax,8),%xmm1
  mulsd  %xmm1,%xmm1
  addsd  %xmm2,%xmm1
  movapd %xmm1,%xmm6
  minsd  %xmm0,%xmm6
  movapd %xmm6,%xmm0
L45:
  movsd  %xmm1,0x0(%rbp,%rdx,8)
  add    $0x1,%rax
  add    $0x1,%rdx
L134:
  mov    %eax,%esi
  mov    %eax,%r8d
  cmp    %eax,%edi
  jl     L86
  mov    %r9d,%r10d
  or     %eax,%r10d
  jne    L87
  movsd  (%rbx),%xmm0
  subsd  (%r12),%xmm0
  mulsd  %xmm0,%xmm0
  movapd %xmm0,%xmm1
  jmp    L45
L102:
  movapd %xmm3,%xmm2
  test   %rcx,%rcx
  je     L239
  movapd %xmm3,%xmm4
  cmp    %r10d,(%rsp)
  jle    L245
L157:
  lea    0x1(%rdx),%esi
  movslq %esi,%rsi
  movsd  0x0(%r13,%rsi,8),%xmm4
L245:
  movapd %xmm3,%xmm1
  test   %r8d,%r8d
  jg     L236
  jmp    L221
  nopw   0x0(%rax,%rax,1)
L86:
  add    $0x1,%edi
  mov    %edi,%eax
  sub    %r14d,%eax
  cmp    %edi,%r14d
  mov    $0x0,%edi
  cmovg  %edi,%eax
  add    0x10(%rsp),%eax
  cmp    0x8(%rsp),%r11d
  jl     L41
  add    $0x1,%r11d
L187:
  add    $0x1,%rcx
  sub    $0x1,%r15d
  cmp    0x20(%rsp),%rcx
  je     L36
  mov    %rbp,%rax
  mov    %r13,%rbp
  mov    %rax,%r13
  jmp    L178
  nopw   0x0(%rax,%rax,1)
L154:
  comisd %xmm3,%xmm2
  jbe    L203
  movapd %xmm3,%xmm2
  jmp    L239
  nopl   0x0(%rax,%rax,1)
L41:
  add    $0x1,%r11d
  mov    0x28(%rsp),%rdi
  movslq %r11d,%rdx
  lea    (%rdi,%rdx,8),%r14
  movsd  (%r14),%xmm1
  addsd  %xmm0,%xmm1
  comisd %xmm5,%xmm1
  jb     L187
  mov    %rbp,%rdi
  movsd  %xmm0,(%rsp)
  call   <free@plt>
  mov    %r13,%rdi
  call   <free@plt>
  movsd  (%rsp),%xmm0
  addsd  (%r14),%xmm0
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L36:
  mov    %eax,%r15d
L143:
  lea    -0x1(%r15),%eax
  mov    %r13,%rdi
  cltq
  movsd  0x0(%rbp,%rax,8),%xmm0
  movsd  %xmm0,(%rsp)
  call   <free@plt>
  mov    %rbp,%rdi
  call   <free@plt>
  movsd  (%rsp),%xmm0
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L108:
  mov    %r13d,%edi
  movsd  %xmm5,0x8(%rsp)
  xor    %r15d,%r15d
  call   <malloc@plt>
  movsd  0x8(%rsp),%xmm5
  mov    %rax,%r13
  jmp    L127
L46:
  mov    %r13,%rax
  mov    %rbp,%r13
  mov    %rax,%rbp
  jmp    L143
L203:
  movapd %xmm3,%xmm1
  jmp    L197
```

tool_calls: name: retrieve_data
arguments: data_label: D7
type_guessed: f64

tool: D7: 1e+20

assistant: ```c
double dtw_distance(double *A, double *B, double *cb, int m, int r, double bsf) {
  double final_dtw;
  double *cost;
  double *cost_prev;
  double *cost_tmp;
  int i, j, k;
  double x, y, z, min_cost;
  cost = (double *)malloc(sizeof(double) * (2 * r + 1));
  for (k = 0; k < 2 * r + 1; k++)
    cost[k] = 1e20;
  cost_prev = (double *)malloc(sizeof(double) * (2 * r + 1));
  for (k = 0; k < 2 * r + 1; k++)
    cost_prev[k] = 1e20;
  for (i = 0; i < m; i++) {
    k = ((0) > (r - i) ? (0) : (r - i));
    min_cost = 1e20;
    for (j = ((0) > (i - r) ? (0) : (i - r)); j <= ((m - 1) < (i + r) ? (m - 1) : (i + r)); j++, k++) {
      if ((i == 0) && (j == 0)) {
        cost[k] = ((A[0] - B[0]) * (A[0] - B[0]));
        min_cost = cost[k];
        continue;
      }
      if ((j - 1 < 0) || (k - 1 < 0))
        y = 1e20;
      else
        y = cost[k - 1];
      if ((i - 1 < 0) || (k + 1 > 2 * r))
        x = 1e20;
      else
        x = cost_prev[k + 1];
      if ((i - 1 < 0) || (j - 1 < 0))
        z = 1e20;
      else
        z = cost_prev[k];
      cost[k] = ((((x) < (y) ? (x) : (y))) < (z) ? (((x) < (y) ? (x) : (y))) : (z)) + ((A[i] - B[j]) * (A[i] - B[j]));
      if (cost[k] < min_cost) {
        min_cost = cost[k];
      }
    }
    if (i + r < m - 1 && min_cost + cb[i + r + 1] >= bsf) {
      free(cost);
      free(cost_prev);
      return min_cost + cb[i + r + 1];
    }
    cost_tmp = cost;
    cost = cost_prev;
    cost_prev = cost_tmp;
  }
  k--;
  final_dtw = cost_prev[k];
  free(cost);
  free(cost_prev);
  return final_dtw;
}
```