user: 这段汇编代码用C语言表示是什么样的?

```asm
<reduce_flow>:
  endbr64
  push   %r15
  pxor   %xmm0,%xmm0
  push   %r14
  cvtsi2ss %edx,%xmm0
  push   %r13
  push   %r12
  push   %rbp
  mov    %ecx,%ebp
  push   %rbx
  mov    %rdi,%rbx
  mov    %edx,%edi
  sub    $0x68,%rsp
  movss  D5(%rip),%xmm2
  movss  D7(%rip),%xmm6
  mov    %rsi,0x20(%rsp)
  movss  D46(%rip),%xmm1
  movabs $0x3e8000003e000000,%rsi
  mulss  %xmm2,%xmm0
  mov    %fs:0x28,%rax
  mov    %rax,0x58(%rsp)
  movabs $0x3d8000003e000000,%rax
  mov    %rsi,0x3c(%rsp)
  movaps %xmm0,%xmm3
  andps  %xmm1,%xmm3
  ucomiss %xmm3,%xmm6
  mov    %rax,0x34(%rsp)
  mov    %rax,0x44(%rsp)
  mov    %rax,0x4c(%rsp)
  jbe    L134
  cvttss2si %xmm0,%eax
  pxor   %xmm3,%xmm3
  movss  D2(%rip),%xmm7
  movaps %xmm1,%xmm4
  andnps %xmm0,%xmm4
  cvtsi2ss %eax,%xmm3
  movaps %xmm3,%xmm5
  cmpnless %xmm0,%xmm5
  andps  %xmm7,%xmm5
  subss  %xmm5,%xmm3
  orps   %xmm4,%xmm3
  movaps %xmm3,%xmm0
L134:
  cvttss2si %xmm0,%eax
  pxor   %xmm0,%xmm0
  cvtsi2ss %ebp,%xmm0
  mov    %eax,0x1c(%rsp)
  mulss  %xmm2,%xmm0
  movaps %xmm0,%xmm3
  andps  %xmm1,%xmm3
  ucomiss %xmm3,%xmm6
  jbe    L9
  cvttss2si %xmm0,%eax
  pxor   %xmm3,%xmm3
  movss  D2(%rip),%xmm5
  andnps %xmm0,%xmm1
  cvtsi2ss %eax,%xmm3
  movaps %xmm3,%xmm4
  cmpnless %xmm0,%xmm4
  andps  %xmm5,%xmm4
  subss  %xmm4,%xmm3
  orps   %xmm1,%xmm3
  movaps %xmm3,%xmm0
L9:
  cvttss2si %xmm0,%eax
  mov    %eax,0x2c(%rsp)
  cmp    $0x2,%ebp
  jle    L147
  lea    -0x3(%rbp),%eax
  lea    0x54(%rsp),%r14
  pxor   %xmm3,%xmm3
  xor    %r15d,%r15d
  and    $0xfffffffe,%eax
  movl   $0x0,0x18(%rsp)
  movss  D49(%rip),%xmm4
  mov    %eax,0x28(%rsp)
  lea    -0x3(%rdi),%eax
  and    $0xfffffffe,%eax
  add    $0x5,%eax
  mov    %eax,0xc(%rsp)
  lea    0x30(%rsp),%rax
  mov    %rax,0x10(%rsp)
  nopl   0x0(%rax,%rax,1)
L172:
  cmp    $0x2,%edi
  jle    L76
  movslq 0x18(%rsp),%rax
  mov    0x20(%rsp),%rsi
  xor    %r12d,%r12d
  mov    $0x3,%r11d
  lea    (%rsi,%rax,4),%r13
L40:
  mov    0x10(%rsp),%r9
  mov    %r15d,%r10d
  movaps %xmm4,%xmm0
  movaps %xmm3,%xmm1
L126:
  mov    %r10d,%eax
  mov    %r9,%rsi
  mov    %r12d,%ecx
  cltd
  idiv   %ebp
  imul   %edi,%edx
  mov    %edx,%r8d
L104:
  mov    %ecx,%eax
  add    $0x1,%ecx
  add    $0x4,%rsi
  cltd
  idiv   %edi
  add    %r8d,%edx
  movslq %edx,%rdx
  mulss  (%rbx,%rdx,4),%xmm0
  addss  %xmm0,%xmm1
  cmp    %ecx,%r11d
  je     L70
  movss  (%rsi),%xmm0
  jmp    L104
  cs nopw 0x0(%rax,%rax,1)
L70:
  add    $0xc,%r9
  add    $0x1,%r10d
  cmp    %r9,%r14
  je     L27
  movss  (%r9),%xmm0
  jmp    L126
  nopl   0x0(%rax)
L27:
  mulss  %xmm2,%xmm1
  add    $0x2,%r11d
  add    $0x2,%r12d
  add    $0x4,%r13
  movss  %xmm1,-0x4(%r13)
  cmp    %r11d,0xc(%rsp)
  jne    L40
L76:
  mov    0x1c(%rsp),%ecx
  lea    0x2(%r15),%eax
  add    %ecx,0x18(%rsp)
  cmp    %r15d,0x28(%rsp)
  je     L147
  mov    %eax,%r15d
  jmp    L172
L147:
  and    $0x1,%edi
  jne    L127
  mov    0x2c(%rsp),%esi
  test   %esi,%esi
  jle    L127
  movslq 0x1c(%rsp),%rdx
  mov    0x20(%rsp),%rax
  lea    0x0(,%rdx,4),%rcx
  xor    %edx,%edx
  lea    -0x8(%rax,%rcx,1),%rax
L167:
  movss  (%rax),%xmm0
  add    $0x1,%edx
  movss  %xmm0,0x4(%rax)
  add    %rcx,%rax
  cmp    %edx,%esi
  jne    L167
L127:
  and    $0x1,%ebp
  jne    L169
  mov    0x1c(%rsp),%esi
  test   %esi,%esi
  jle    L169
  mov    0x2c(%rsp),%edx
  mov    0x20(%rsp),%rbx
  lea    -0x1(%rsi),%ecx
  sub    $0x2,%edx
  imul   %esi,%edx
  movslq %edx,%rdx
  lea    (%rbx,%rdx,4),%rax
  add    %rcx,%rdx
  lea    0x4(%rbx,%rdx,4),%rcx
  movslq %esi,%rdx
L19:
  movss  (%rax),%xmm0
  movss  %xmm0,(%rax,%rdx,4)
  add    $0x4,%rax
  cmp    %rax,%rcx
  jne    L19
L169:
  mov    0x58(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L158
  add    $0x68,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L158:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D5
data_type: byte[4]
name: retrieve_data
arguments: data_label: D7
data_type: byte[4]
name: retrieve_data
arguments: data_label: D46
data_type: byte[4]
name: retrieve_data
arguments: data_label: D2
data_type: byte[4]
name: retrieve_data
arguments: data_label: D49
data_type: f32

tool: {"D5": [0x00,0x00,0x00,0x3f]}

tool: {"D7": [0x00,0x00,0x00,0x4b]}

tool: {"D46": [0xff,0xff,0xff,0x7f]}

tool: {"D2": [0x00,0x00,0x80,0x3f]}

tool: D49: 0.0625

assistant: ```c
void reduce_flow(input, output, nx, ny) float *input, *output;
int nx, ny;
{
  float filter[3][3] = {{0.0625, 0.125, 0.0625}, {0.125, 0.25, 0.125}, {0.0625, 0.125, 0.0625}};
  float val;
  int i, ii, ir, j, jj, jr;
  int snx, sny, f_off, si, sj;
  int sample = 2, filter_size = 3;
  f_off = (int)floor((filter_size - 1) / 2.0);
  snx = (int)floor(nx / ((float)sample));
  sny = (int)floor(ny / ((float)sample));
  si = 0;
  for (i = 1; i < ny - 1; i = i + 2) {
    sj = 0;
    for (j = 1; j < nx - 1; j = j + 2) {
      val = 0.0;
      for (ii = 0; ii < filter_size; ii++) {
        ir = (i + ii - f_off) % ny;
        for (jj = 0; jj < filter_size; jj++) {
          jr = (j + jj - f_off) % nx;
          val += filter[ii][jj] * input[(int)(ir * nx + jr)];
        }
      }
      output[si * snx + sj] = val / 2.0;
      sj++;
    }
    si++;
  }
  if ((nx % 2) == 0) {
    for (i = 0; i < sny; i++) {
      output[(i * snx) + (snx - 1)] = output[i * snx + (snx - 2)];
    }
  }
  if ((ny % 2) == 0) {
    for (j = 0; j < snx; j++) {
      output[((sny - 1) * snx) + j] = output[(sny - 2) * snx + j];
    }
  }
}
```