user: 下面的汇编指令对应的C源代码是什么：

```asm
<smooth>:
  endbr64
  push   %r14
  mov    %rdx,%r8
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  test   %ecx,%ecx
  jle    L122
  mov    %ecx,%r9d
  lea    (%rcx,%rcx,1),%r11d
  pxor   %xmm2,%xmm2
  mov    %rdx,%r10
  lea    0x10(%rdi),%rbx
  nopl   0x0(%rax)
L208:
  cmp    $0x1,%r9d
  je     L162
  mov    %r9d,%edx
  mov    %rdi,%rax
  movapd %xmm2,%xmm0
  shr    %edx
  sub    $0x1,%edx
  shl    $0x4,%rdx
  add    %rbx,%rdx
L168:
  movsd  (%rax),%xmm1
  add    $0x10,%rax
  addsd  %xmm1,%xmm0
  movsd  -0x8(%rax),%xmm1
  addsd  %xmm1,%xmm0
  cmp    %rdx,%rax
  jne    L168
  mov    %r9d,%eax
  and    $0xfffffffe,%eax
  test   $0x1,%r9b
  je     L132
L175:
  cltq
  addsd  (%rdi,%rax,8),%xmm0
L132:
  pxor   %xmm1,%xmm1
  add    $0x8,%r10
  cvtsi2ss %r9d,%xmm1
  add    $0x1,%r9d
  cvtss2sd %xmm1,%xmm1
  divsd  %xmm1,%xmm0
  movsd  %xmm0,-0x8(%r10)
  cmp    %r11d,%r9d
  jne    L208
L122:
  mov    %esi,%eax
  sub    %ecx,%eax
  lea    -0x1(%rax),%ebp
  cmp    %ebp,%ecx
  jge    L67
  lea    -0x1(%rax,%rcx,1),%r13d
  movslq %ecx,%rax
  lea    (%rcx,%rcx,1),%r11d
  mov    %rdi,%rbx
  lea    (%r8,%rax,8),%r12
  xor    %r9d,%r9d
  pxor   %xmm2,%xmm2
  nopw   0x0(%rax,%rax,1)
L176:
  mov    %r9d,%edx
  cmp    %r9d,%r11d
  jle    L98
  mov    %r11d,%r14d
  sub    %r9d,%r14d
  cmp    $0x1,%r14d
  je     L160
  mov    %r14d,%eax
  movapd %xmm2,%xmm0
  shr    %eax
  sub    $0x1,%eax
  shl    $0x4,%rax
  lea    0x10(%rbx,%rax,1),%r10
  mov    %rbx,%rax
  nopl   0x0(%rax)
L26:
  movsd  (%rax),%xmm1
  add    $0x10,%rax
  addsd  %xmm1,%xmm0
  movsd  -0x8(%rax),%xmm1
  addsd  %xmm1,%xmm0
  cmp    %r10,%rax
  jne    L26
  mov    %r14d,%eax
  and    $0xfffffffe,%eax
  add    %eax,%edx
  cmp    %r14d,%eax
  je     L1
L197:
  movslq %edx,%rax
  addsd  (%rdi,%rax,8),%xmm0
L1:
  pxor   %xmm1,%xmm1
  cvtsi2ss %r14d,%xmm1
  cvtss2sd %xmm1,%xmm1
L200:
  divsd  %xmm1,%xmm0
  add    $0x1,%r11d
  add    $0x8,%rbx
  movsd  %xmm0,(%r12,%r9,8)
  add    $0x1,%r9
  cmp    %r13d,%r11d
  jne    L176
L67:
  cmp    %ebp,%esi
  jle    L188
  mov    %ebp,%r9d
  movslq %ecx,%rax
  movslq %ebp,%rbp
  mov    %esi,%edx
  lea    (%r8,%rbp,8),%r10
  sub    %ecx,%r9d
  sub    %rax,%rbp
  mov    %esi,%r11d
  sub    %r9d,%edx
  lea    (%rdi,%rbp,8),%r8
  pxor   %xmm2,%xmm2
  sub    %ecx,%r11d
  nopl   0x0(%rax)
L62:
  mov    %r9d,%eax
  cmp    %r9d,%esi
  jle    L113
  cmp    $0x1,%edx
  je     L94
  mov    %edx,%eax
  movapd %xmm2,%xmm0
  shr    %eax
  sub    $0x1,%eax
  shl    $0x4,%rax
  lea    0x10(%r8,%rax,1),%rcx
  mov    %r8,%rax
  nopl   0x0(%rax)
L131:
  movsd  (%rax),%xmm1
  add    $0x10,%rax
  addsd  %xmm1,%xmm0
  movsd  -0x8(%rax),%xmm1
  addsd  %xmm1,%xmm0
  cmp    %rax,%rcx
  jne    L131
  mov    %edx,%ecx
  and    $0xfffffffe,%ecx
  lea    (%r9,%rcx,1),%eax
  cmp    %ecx,%edx
  je     L203
L183:
  cltq
  addsd  (%rdi,%rax,8),%xmm0
L203:
  pxor   %xmm1,%xmm1
  cvtsi2ss %edx,%xmm1
  cvtss2sd %xmm1,%xmm1
L74:
  divsd  %xmm1,%xmm0
  add    $0x1,%r9d
  add    $0x8,%r10
  sub    $0x1,%edx
  add    $0x8,%r8
  movsd  %xmm0,-0x8(%r10)
  cmp    %r11d,%r9d
  jne    L62
L188:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   (%rax)
L113:
  movapd %xmm2,%xmm1
  movapd %xmm2,%xmm0
  jmp    L74
  nopw   0x0(%rax,%rax,1)
L98:
  movapd %xmm2,%xmm1
  movapd %xmm2,%xmm0
  jmp    L200
  nopl   (%rax)
L162:
  movapd %xmm2,%xmm0
  xor    %eax,%eax
  jmp    L175
L160:
  movapd %xmm2,%xmm0
  jmp    L197
L94:
  movapd %xmm2,%xmm0
  jmp    L183
```

assistant: ```c
void smooth(double *indata, int nmzs, double *outdata, int w) {
  int j, k, n;
  double av;
  for (j = 0; j < w; j++) {
    av = 0.0;
    n = 0;
    for (k = 0; k < j + w; k++) {
      av += indata[k];
      n++;
    }
    outdata[j] = av / (float)n;
  }
  for (j = w; j < nmzs - w - 1; j++) {
    av = 0.0;
    n = 0;
    for (k = j - w; k < j + w; k++) {
      av += indata[k];
      n++;
    }
    outdata[j] = av / (float)n;
  }
  for (j = nmzs - w - 1; j < nmzs; j++) {
    av = 0.0;
    n = 0;
    for (k = j - w; k < nmzs; k++) {
      av += indata[k];
      n++;
    }
    outdata[j] = av / (float)n;
  }
}
```