user: 请将以下的汇编代码转换成C语言代码：

```asm
<uv2dv>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x48,%rsp
  mov    %rdi,-0x98(%rbp)
  mov    %rsi,-0xa0(%rbp)
  mov    %rdx,-0xa8(%rbp)
  mov    %rcx,-0xb0(%rbp)
  mov    %r8,-0xb8(%rbp)
  mov    %r9,-0xc0(%rbp)
  mov    0x20(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    0x20(%rbp),%eax
  add    $0x2,%eax
  imul   %edx,%eax
  mov    %eax,-0x78(%rbp)
  mov    0x20(%rbp),%eax
  add    $0x1,%eax
  add    %eax,%eax
  mov    %eax,-0x74(%rbp)
  movl   $0x0,-0x88(%rbp)
  jmp    L68
L48:
  mov    -0xb8(%rbp),%rax
  mov    %rax,-0x30(%rbp)
  mov    -0xc0(%rbp),%rax
  mov    %rax,-0x28(%rbp)
  mov    -0x88(%rbp),%eax
  imul   -0x74(%rbp),%eax
  imul   0x18(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x98(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x50(%rbp)
  mov    -0x88(%rbp),%eax
  imul   -0x74(%rbp),%eax
  imul   0x18(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0xa0(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x48(%rbp)
  mov    -0x88(%rbp),%eax
  imul   -0x78(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0xa8(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x40(%rbp)
  mov    -0x88(%rbp),%eax
  imul   -0x78(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0xb0(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x38(%rbp)
  movl   $0x0,-0x84(%rbp)
  jmp    L26
L15:
  mov    -0x84(%rbp),%eax
  mov    %eax,-0x80(%rbp)
  jmp    L63
L14:
  mov    -0x50(%rbp),%rax
  mov    %rax,-0x20(%rbp)
  mov    0x18(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x48(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    0x18(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x8(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x70(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x68(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x60(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x58(%rbp)
  movl   $0x0,-0x7c(%rbp)
  jmp    L9
L78:
  mov    -0x7c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mov    -0x7c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm1,%xmm0
  mov    -0x7c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm2
  mov    -0x7c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mulsd  %xmm2,%xmm1
  subsd  %xmm1,%xmm0
  movsd  -0x70(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x70(%rbp)
  mov    -0x7c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mov    -0x7c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm0,%xmm1
  mov    -0x7c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm2
  mov    -0x7c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm2,%xmm0
  addsd  %xmm1,%xmm0
  movsd  -0x68(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x68(%rbp)
  mov    -0x7c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mov    -0x7c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm0,%xmm1
  mov    -0x7c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm2
  mov    -0x7c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm2,%xmm0
  addsd  %xmm0,%xmm1
  movsd  -0x60(%rbp),%xmm0
  subsd  %xmm1,%xmm0
  movsd  %xmm0,-0x60(%rbp)
  mov    -0x7c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mov    -0x7c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm1,%xmm0
  mov    -0x7c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm2
  mov    -0x7c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mulsd  %xmm1,%xmm2
  movapd %xmm0,%xmm1
  subsd  %xmm2,%xmm1
  movsd  -0x58(%rbp),%xmm0
  subsd  %xmm1,%xmm0
  movsd  %xmm0,-0x58(%rbp)
  addl   $0x1,-0x7c(%rbp)
L9:
  mov    -0x7c(%rbp),%eax
  cmp    0x18(%rbp),%eax
  jl     L78
  mov    -0x40(%rbp),%rax
  lea    0x8(%rax),%rdx
  mov    %rdx,-0x40(%rbp)
  movsd  -0x70(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x40(%rbp),%rax
  lea    0x8(%rax),%rdx
  mov    %rdx,-0x40(%rbp)
  movsd  -0x68(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x38(%rbp),%rax
  lea    0x8(%rax),%rdx
  mov    %rdx,-0x38(%rbp)
  movsd  -0x60(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x38(%rbp),%rax
  lea    0x8(%rax),%rdx
  mov    %rdx,-0x38(%rbp)
  movsd  -0x58(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    0x18(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rax,-0x30(%rbp)
  mov    0x18(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rax,-0x28(%rbp)
  addl   $0x1,-0x80(%rbp)
L63:
  mov    -0x80(%rbp),%eax
  cmp    0x20(%rbp),%eax
  jle    L14
  mov    0x18(%rbp),%eax
  add    %eax,%eax
  cltq
  shl    $0x3,%rax
  add    %rax,-0x50(%rbp)
  mov    0x18(%rbp),%eax
  add    %eax,%eax
  cltq
  shl    $0x3,%rax
  add    %rax,-0x48(%rbp)
  addl   $0x1,-0x84(%rbp)
L26:
  mov    -0x84(%rbp),%eax
  cmp    0x20(%rbp),%eax
  jle    L15
  addl   $0x1,-0x88(%rbp)
L68:
  mov    -0x88(%rbp),%eax
  cmp    0x10(%rbp),%eax
  jl     L48
  nop
  nop
  leave
  ret
```

assistant: ```c
void uv2dv(double *fu, double *fv, double *sd, double *sv, double *pol2, double *pol3, int klev, int nlat, int nt) {
  int lev, jmm, jfc, lat, nfc, nsp2;
  double dir, dii, vor, voi;
  double *ufr, *ufi, *vfr, *vfi;
  double *ful, *fvl, *sdl, *svl;
  double *po2, *po3;
  nsp2 = (nt + 1) * (nt + 2);
  nfc = (nt + 1) * 2;
  for (lev = 0; lev < klev; lev++) {
    po2 = pol2;
    po3 = pol3;
    ful = fu + lev * nfc * nlat;
    fvl = fv + lev * nfc * nlat;
    sdl = sd + lev * nsp2;
    svl = sv + lev * nsp2;
    for (jmm = 0; jmm <= nt; jmm++) {
      for (jfc = jmm; jfc <= nt; jfc++) {
        ufr = ful;
        ufi = ful + nlat;
        vfr = fvl;
        vfi = fvl + nlat;
        dir = 0.0;
        dii = 0.0;
        vor = 0.0;
        voi = 0.0;
        for (lat = 0; lat < nlat; lat++) {
          dir += vfr[lat] * po2[lat] - ufi[lat] * po3[lat];
          dii += vfi[lat] * po2[lat] + ufr[lat] * po3[lat];
          vor -= ufr[lat] * po2[lat] + vfi[lat] * po3[lat];
          voi -= ufi[lat] * po2[lat] - vfr[lat] * po3[lat];
        }
        *sdl++ = dir;
        *sdl++ = dii;
        *svl++ = vor;
        *svl++ = voi;
        po2 += nlat;
        po3 += nlat;
      }
      ful += 2 * nlat;
      fvl += 2 * nlat;
    }
  }
}
```