user: 请从给定的汇编指令推导出C源代码：

```asm
<solution_update_upwind15>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x34(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %rdx,-0x48(%rbp)
  movsd  %xmm0,-0x50(%rbp)
  movsd  %xmm1,-0x58(%rbp)
  movsd  %xmm2,-0x60(%rbp)
  movsd  %xmm3,-0x68(%rbp)
  movsd  %xmm4,-0x70(%rbp)
  movsd  D87(%rip),%xmm0
  movsd  %xmm0,-0x28(%rbp)
  movsd  D27(%rip),%xmm0
  movsd  %xmm0,-0x20(%rbp)
  movsd  D47(%rip),%xmm0
  movsd  %xmm0,-0x18(%rbp)
  movsd  -0x50(%rbp),%xmm0
  mulsd  %xmm0,%xmm0
  movapd %xmm0,%xmm1
  mulsd  -0x60(%rbp),%xmm1
  movsd  -0x58(%rbp),%xmm0
  movapd %xmm0,%xmm2
  mulsd  %xmm0,%xmm2
  divsd  %xmm2,%xmm1
  movapd %xmm1,%xmm0
  movsd  %xmm0,-0x10(%rbp)
  movsd  -0x10(%rbp),%xmm0
  mulsd  %xmm0,%xmm0
  movsd  %xmm0,-0x8(%rbp)
  mov    -0x40(%rbp),%rax
  movsd  -0x68(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x48(%rbp),%rax
  add    $0x8,%rax
  movsd  (%rax),%xmm2
  mov    -0x48(%rbp),%rax
  movsd  (%rax),%xmm1
  mov    -0x48(%rbp),%rax
  add    $0x8,%rax
  movsd  (%rax),%xmm0
  addsd  %xmm0,%xmm0
  subsd  %xmm0,%xmm1
  mov    -0x48(%rbp),%rax
  add    $0x10,%rax
  movsd  (%rax),%xmm0
  addsd  %xmm1,%xmm0
  mulsd  -0x10(%rbp),%xmm0
  mov    -0x40(%rbp),%rax
  add    $0x8,%rax
  addsd  %xmm2,%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x34(%rbp),%eax
  cltq
  shl    $0x3,%rax
  lea    -0x10(%rax),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm2
  mov    -0x34(%rbp),%eax
  cltq
  shl    $0x3,%rax
  lea    -0x18(%rax),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mov    -0x34(%rbp),%eax
  cltq
  shl    $0x3,%rax
  lea    -0x10(%rax),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  addsd  %xmm0,%xmm0
  subsd  %xmm0,%xmm1
  mov    -0x34(%rbp),%eax
  cltq
  shl    $0x3,%rax
  lea    -0x8(%rax),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  addsd  %xmm1,%xmm0
  mulsd  -0x10(%rbp),%xmm0
  mov    -0x34(%rbp),%eax
  cltq
  shl    $0x3,%rax
  lea    -0x10(%rax),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  addsd  %xmm2,%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x34(%rbp),%eax
  cltq
  shl    $0x3,%rax
  lea    -0x8(%rax),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  movsd  -0x70(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  movl   $0x2,-0x2c(%rbp)
  jmp    L8
L19:
  movsd  -0x8(%rbp),%xmm1
  movsd  D81(%rip),%xmm0
  mulsd  %xmm0,%xmm1
  movsd  -0x10(%rbp),%xmm0
  movapd %xmm0,%xmm2
  addsd  %xmm0,%xmm2
  subsd  %xmm2,%xmm1
  movapd %xmm1,%xmm0
  movapd %xmm0,%xmm1
  mulsd  -0x28(%rbp),%xmm1
  mov    -0x2c(%rbp),%eax
  cltq
  shl    $0x3,%rax
  lea    -0x10(%rax),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movapd %xmm1,%xmm2
  mulsd  %xmm0,%xmm2
  movsd  -0x8(%rbp),%xmm1
  movsd  D81(%rip),%xmm0
  mulsd  %xmm0,%xmm1
  movsd  -0x10(%rbp),%xmm0
  movapd %xmm0,%xmm3
  addsd  %xmm0,%xmm3
  subsd  %xmm3,%xmm1
  movapd %xmm1,%xmm0
  movapd %xmm0,%xmm1
  mulsd  -0x28(%rbp),%xmm1
  mov    -0x2c(%rbp),%eax
  cltq
  add    $0x2,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm1,%xmm0
  addsd  %xmm2,%xmm0
  movsd  -0x8(%rbp),%xmm2
  movsd  D81(%rip),%xmm1
  mulsd  %xmm2,%xmm1
  movsd  -0x10(%rbp),%xmm3
  movsd  D83(%rip),%xmm2
  mulsd  %xmm3,%xmm2
  subsd  %xmm2,%xmm1
  movapd %xmm1,%xmm2
  mulsd  -0x20(%rbp),%xmm2
  mov    -0x2c(%rbp),%eax
  cltq
  shl    $0x3,%rax
  lea    -0x8(%rax),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mulsd  %xmm2,%xmm1
  subsd  %xmm1,%xmm0
  movsd  -0x8(%rbp),%xmm2
  movsd  D81(%rip),%xmm1
  mulsd  %xmm2,%xmm1
  movsd  -0x10(%rbp),%xmm3
  movsd  D83(%rip),%xmm2
  mulsd  %xmm3,%xmm2
  subsd  %xmm2,%xmm1
  movapd %xmm1,%xmm2
  mulsd  -0x20(%rbp),%xmm2
  mov    -0x2c(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mulsd  %xmm1,%xmm2
  movapd %xmm0,%xmm1
  subsd  %xmm2,%xmm1
  movsd  -0x8(%rbp),%xmm2
  movsd  D81(%rip),%xmm0
  mulsd  %xmm2,%xmm0
  movsd  -0x10(%rbp),%xmm3
  movsd  D101(%rip),%xmm2
  mulsd  %xmm2,%xmm3
  movapd %xmm0,%xmm2
  subsd  %xmm3,%xmm2
  movsd  D98(%rip),%xmm0
  addsd  %xmm2,%xmm0
  movapd %xmm0,%xmm2
  mulsd  -0x18(%rbp),%xmm2
  mov    -0x2c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm2,%xmm0
  mov    -0x2c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  addsd  %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  addl   $0x1,-0x2c(%rbp)
L8:
  mov    -0x34(%rbp),%eax
  sub    $0x2,%eax
  cmp    %eax,-0x2c(%rbp)
  jl     L19
  nop
  nop
  pop    %rbp
  ret
```

tool_calls: name: retrieve_data
arguments: data_tag: D87
type_guessed: byte[8]
name: retrieve_data
arguments: data_tag: D27
type_guessed: byte[8]
name: retrieve_data
arguments: data_tag: D47
type_guessed: byte[8]
name: retrieve_data
arguments: data_tag: D81
type_guessed: byte[8]
name: retrieve_data
arguments: data_tag: D83
type_guessed: byte[8]
name: retrieve_data
arguments: data_tag: D101
type_guessed: byte[8]
name: retrieve_data
arguments: data_tag: D98
type_guessed: byte[8]

tool: {"D87": [0x55,0x55,0x55,0x55,0x55,0x55,0xa5,0x3f]}

tool: {"D27": [0x55,0x55,0x55,0x55,0x55,0x55,0xc5,0x3f]}

tool: {"D47": [0x00,0x00,0x00,0x00,0x00,0x00,0xd0,0x3f]}

tool: {"D81": [0x00,0x00,0x00,0x00,0x00,0x00,0x28,0x40]}

tool: {"D83": [0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x40]}

tool: {"D101": [0x00,0x00,0x00,0x00,0x00,0x00,0x24,0x40]}

tool: {"D98": [0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x40]}

assistant: ```c
void solution_update_upwind15(int n, double *curr, double const *last, double alpha, double dx, double dt, double bc_0, double bc_1) {
  double const f2 = 1.0 / 24;
  double const f1 = 1.0 / 6;
  double const f0 = 1.0 / 4;
  double const k = alpha * alpha * dt / (dx * dx);
  double const k2 = k * k;
  int i;
  curr[0] = bc_0;
  curr[1] = last[1] + k * (last[0] - 2 * last[1] + last[2]);
  curr[n - 2] = last[n - 2] + k * (last[n - 3] - 2 * last[n - 2] + last[n - 1]);
  curr[n - 1] = bc_1;
  for (i = 2; i < n - 2; i++)
    curr[i] = f2 * (12 * k2 - 2 * k) * last[i - 2] + f2 * (12 * k2 - 2 * k) * last[i + 2] - f1 * (12 * k2 - 8 * k) * last[i - 1] - f1 * (12 * k2 - 8 * k) * last[i + 1] + f0 * (12 * k2 - 10 * k + 4) * last[i];
}
```