user: 请将以下的汇编代码转换成C语言代码：

```asm
<solution_update_upwind15>:
  endbr64
  mov    %rsi,%rcx
  mov    %rdx,%rsi
  mulsd  %xmm0,%xmm0
  mulsd  %xmm2,%xmm0
  mulsd  %xmm1,%xmm1
  divsd  %xmm1,%xmm0
  movapd %xmm0,%xmm2
  mulsd  %xmm0,%xmm2
  movsd  %xmm3,(%rcx)
  movsd  0x8(%rdx),%xmm5
  movapd %xmm5,%xmm6
  addsd  %xmm5,%xmm6
  movsd  (%rdx),%xmm3
  subsd  %xmm6,%xmm3
  movapd %xmm3,%xmm1
  addsd  0x10(%rdx),%xmm1
  mulsd  %xmm0,%xmm1
  addsd  %xmm5,%xmm1
  movsd  %xmm1,0x8(%rcx)
  movslq %edi,%rax
  shl    $0x3,%rax
  movsd  -0x10(%rdx,%rax,1),%xmm5
  movapd %xmm5,%xmm6
  addsd  %xmm5,%xmm6
  movsd  -0x18(%rdx,%rax,1),%xmm3
  subsd  %xmm6,%xmm3
  movapd %xmm3,%xmm1
  addsd  -0x8(%rdx,%rax,1),%xmm1
  mulsd  %xmm0,%xmm1
  addsd  %xmm5,%xmm1
  movsd  %xmm1,-0x10(%rcx,%rax,1)
  movsd  %xmm4,-0x8(%rcx,%rax,1)
  cmp    $0x4,%edi
  jle    L5
  mulsd  D66(%rip),%xmm2
  movapd %xmm0,%xmm1
  addsd  %xmm0,%xmm1
  movapd %xmm2,%xmm3
  subsd  %xmm1,%xmm3
  mulsd  D47(%rip),%xmm3
  movapd %xmm0,%xmm4
  mulsd  D33(%rip),%xmm4
  movapd %xmm2,%xmm1
  subsd  %xmm4,%xmm1
  mulsd  D42(%rip),%xmm1
  mulsd  D35(%rip),%xmm0
  subsd  %xmm0,%xmm2
  addsd  D24(%rip),%xmm2
  mulsd  D44(%rip),%xmm2
  mov    %rdx,%rax
  lea    0x10(%rcx),%rdx
  lea    -0x5(%rdi),%ecx
  lea    0x8(%rsi,%rcx,8),%rcx
L0:
  movapd %xmm3,%xmm0
  mulsd  (%rax),%xmm0
  movapd %xmm3,%xmm4
  mulsd  0x20(%rax),%xmm4
  addsd  %xmm4,%xmm0
  movapd %xmm1,%xmm4
  mulsd  0x8(%rax),%xmm4
  subsd  %xmm4,%xmm0
  movapd %xmm1,%xmm4
  mulsd  0x18(%rax),%xmm4
  subsd  %xmm4,%xmm0
  movapd %xmm2,%xmm4
  mulsd  0x10(%rax),%xmm4
  addsd  %xmm4,%xmm0
  movsd  %xmm0,(%rdx)
  add    $0x8,%rax
  add    $0x8,%rdx
  cmp    %rcx,%rax
  jne    L0
L5:
  ret
```

tool_calls: name: read_data
arguments: tag: D66
datatype: byte[8]
name: read_data
arguments: tag: D47
datatype: byte[8]
name: read_data
arguments: tag: D33
datatype: byte[8]
name: read_data
arguments: tag: D42
datatype: byte[8]
name: read_data
arguments: tag: D35
datatype: byte[8]
name: read_data
arguments: tag: D24
datatype: byte[8]
name: read_data
arguments: tag: D44
datatype: byte[8]

tool: {"D66": [0x00,0x00,0x00,0x00,0x00,0x00,0x28,0x40]}

tool: {"D47": [0x55,0x55,0x55,0x55,0x55,0x55,0xa5,0x3f]}

tool: {"D33": [0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x40]}

tool: {"D42": [0x55,0x55,0x55,0x55,0x55,0x55,0xc5,0x3f]}

tool: {"D35": [0x00,0x00,0x00,0x00,0x00,0x00,0x24,0x40]}

tool: {"D24": [0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x40]}

tool: {"D44": [0x00,0x00,0x00,0x00,0x00,0x00,0xd0,0x3f]}

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];
}
```