user: 下面的汇编指令对应的C源代码是什么:

```asm
<zoom_out>:
  endbr64
  push   %r15
  push   %r14
  mov    %edx,%r14d
  push   %r13
  imul   %ecx,%r14d
  mov    %rsi,%r13
  push   %r12
  mov    %ecx,%r12d
  push   %rbp
  mov    %edx,%ebp
  push   %rbx
  mov    %rdi,%rbx
  lea    0x0(,%r14,4),%edi
  sub    $0x28,%rsp
  movss  %xmm0,0xc(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <xmalloc@plt>
  mov    %rax,%r15
  test   %r14d,%r14d
  jle    L145
  lea    0x4(%rbx),%rdx
  sub    %rdx,%rax
  cmp    $0x8,%rax
  jbe    L102
  lea    -0x1(%r14),%eax
  cmp    $0x2,%eax
  jbe    L102
  mov    %r14d,%edx
  xor    %eax,%eax
  shr    $0x2,%edx
  shl    $0x4,%rdx
  nopl   (%rax)
L112:
  movups (%rbx,%rax,1),%xmm5
  movups %xmm5,(%r15,%rax,1)
  add    $0x10,%rax
  cmp    %rdx,%rax
  jne    L112
  mov    %r14d,%eax
  and    $0xfffffffc,%eax
  test   $0x3,%r14b
  je     L145
  mov    %eax,%ecx
  movss  (%rbx,%rcx,4),%xmm0
  lea    0x0(,%rcx,4),%rdx
  movss  %xmm0,(%r15,%rcx,4)
  lea    0x1(%rax),%ecx
  cmp    %ecx,%r14d
  jle    L145
  movss  0x4(%rbx,%rdx,1),%xmm0
  add    $0x2,%eax
  movss  %xmm0,0x4(%r15,%rdx,1)
  cmp    %eax,%r14d
  jle    L145
  movss  0x8(%rbx,%rdx,1),%xmm0
  movss  %xmm0,0x8(%r15,%rdx,1)
L145:
  movss  0xc(%rsp),%xmm0
  lea    0x14(%rsp),%rcx
  mov    %r12d,%esi
  mov    %ebp,%edi
  lea    0x10(%rsp),%rdx
  call   <zoom_size@plt>
  movss  0xc(%rsp),%xmm6
  movsd  D17(%rip),%xmm2
  movaps %xmm6,%xmm1
  movapd %xmm2,%xmm0
  mulss  %xmm6,%xmm1
  cvtss2sd %xmm1,%xmm1
  divsd  %xmm1,%xmm0
  pxor   %xmm1,%xmm1
  subsd  %xmm2,%xmm0
  ucomisd %xmm0,%xmm1
  ja     L110
  sqrtsd %xmm0,%xmm0
L154:
  mulsd  D9(%rip),%xmm0
  mov    %r12d,%edx
  mov    %ebp,%esi
  mov    %r15,%rdi
  cvtsd2ss %xmm0,%xmm0
  call   <gaussian@plt>
  mov    0x14(%rsp),%eax
  test   %eax,%eax
  jle    L74
  mov    0x10(%rsp),%edx
  xor    %ebx,%ebx
  nopl   (%rax)
L21:
  test   %edx,%edx
  jle    L74
  pxor   %xmm1,%xmm1
  xor    %r14d,%r14d
  cvtsi2ss %ebx,%xmm1
  divss  0xc(%rsp),%xmm1
  nopl   (%rax)
L5:
  xor    %ecx,%ecx
  mov    %r12d,%edx
  pxor   %xmm0,%xmm0
  mov    %ebp,%esi
  mov    %r15,%rdi
  cvtsi2ss %r14d,%xmm0
  movss  %xmm1,0x8(%rsp)
  divss  0xc(%rsp),%xmm0
  call   <bicubic_interpolation_at@plt>
  mov    0x10(%rsp),%edx
  movss  0x8(%rsp),%xmm1
  mov    %edx,%eax
  imul   %ebx,%eax
  add    %r14d,%eax
  add    $0x1,%r14d
  cltq
  cmp    %r14d,%edx
  movss  %xmm0,0x0(%r13,%rax,4)
  jg     L5
  add    $0x1,%ebx
  cmp    0x14(%rsp),%ebx
  jl     L21
  nopl   0x0(%rax)
L74:
  mov    %r15,%rdi
  call   <free@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L85
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L102:
  xor    %eax,%eax
  nopl   0x0(%rax)
L54:
  movss  (%rbx,%rax,4),%xmm0
  movss  %xmm0,(%r15,%rax,4)
  add    $0x1,%rax
  cmp    %r14,%rax
  jne    L54
  jmp    L145
L110:
  call   <sqrt@plt>
  jmp    L154
L85:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D17
datatype: f64
name: retrieve_data
arguments: data_label: D9
datatype: f64

tool: D17: 1

tool: D9: 0.6

assistant: ```c
void zoom_out(const float *I, float *Iout, const int nx, const int ny, const float factor) {
  float *Is = xmalloc(nx * ny * sizeof *Is);
  for (int i = 0; i < nx * ny; i++)
    Is[i] = I[i];
  int nxx, nyy;
  zoom_size(nx, ny, &nxx, &nyy, factor);
  const float sigma = 0.6 * sqrt(1.0 / (factor * factor) - 1.0);
  gaussian(Is, nx, ny, sigma);
  for (int i1 = 0; i1 < nyy; i1++)
    for (int j1 = 0; j1 < nxx; j1++) {
      const float i2 = (float)i1 / factor;
      const float j2 = (float)j1 / factor;
      float g = bicubic_interpolation_at(Is, j2, i2, nx, ny, false);
      Iout[i1 * nxx + j1] = g;
    }
  free(Is);
}
```