user: 下面的汇编指令对应的C源代码是什么：

```asm
<getpupil>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x50,%rsp
  mov    %rdi,-0x38(%rbp)
  movss  %xmm0,-0x3c(%rbp)
  mov    %esi,-0x40(%rbp)
  mov    %edx,-0x44(%rbp)
  mov    -0x44(%rbp),%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  mov    %eax,-0x1c(%rbp)
  mov    -0x40(%rbp),%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  mov    %eax,-0x18(%rbp)
  movss  -0x3c(%rbp),%xmm0
  mulss  %xmm0,%xmm0
  movss  D18(%rip),%xmm1
  divss  %xmm1,%xmm0
  movss  %xmm0,-0x14(%rbp)
  mov    -0x40(%rbp),%eax
  imul   -0x44(%rbp),%eax
  mov    %eax,%edx
  mov    -0x38(%rbp),%rax
  mov    %edx,%esi
  mov    D46(%rip),%rdx
  movq   %rdx,%xmm0
  mov    %rax,%rdi
  call   <init3dr@plt>
  movl   $0x1,-0x20(%rbp)
  jmp    L7
L8:
  pxor   %xmm0,%xmm0
  cvtsi2ssl -0x20(%rbp),%xmm0
  movss  D10(%rip),%xmm1
  subss  %xmm1,%xmm0
  movss  %xmm0,-0x10(%rbp)
  movss  -0x10(%rbp),%xmm0
  mulss  %xmm0,%xmm0
  movss  %xmm0,-0xc(%rbp)
  mov    -0x20(%rbp),%eax
  mov    %eax,-0x24(%rbp)
  jmp    L24
L49:
  pxor   %xmm0,%xmm0
  cvtsi2ssl -0x24(%rbp),%xmm0
  movss  D10(%rip),%xmm1
  subss  %xmm1,%xmm0
  movss  %xmm0,-0x8(%rbp)
  movss  -0x8(%rbp),%xmm0
  mulss  %xmm0,%xmm0
  movss  -0xc(%rbp),%xmm1
  addss  %xmm1,%xmm0
  movss  %xmm0,-0x4(%rbp)
  movss  -0x14(%rbp),%xmm0
  comiss -0x4(%rbp),%xmm0
  jbe    L9
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%eax
  sub    $0x1,%eax
  imul   -0x40(%rbp),%eax
  cltq
  add    %rdx,%rax
  shl    $0x2,%rax
  lea    -0x4(%rax),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movss  D10(%rip),%xmm0
  movss  %xmm0,(%rax)
  mov    -0x20(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x24(%rbp),%eax
  sub    $0x1,%eax
  imul   -0x40(%rbp),%eax
  cltq
  add    %rdx,%rax
  shl    $0x2,%rax
  lea    -0x4(%rax),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movss  D10(%rip),%xmm0
  movss  %xmm0,(%rax)
L9:
  addl   $0x1,-0x24(%rbp)
L24:
  mov    -0x18(%rbp),%eax
  add    $0x1,%eax
  cmp    %eax,-0x24(%rbp)
  jle    L49
  addl   $0x1,-0x20(%rbp)
L7:
  mov    -0x1c(%rbp),%eax
  add    $0x1,%eax
  cmp    %eax,-0x20(%rbp)
  jle    L8
  mov    -0x44(%rbp),%edx
  mov    -0x40(%rbp),%ecx
  mov    -0x38(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <evenrepr@plt>
  nop
  leave
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D18
type_guessed: f32
name: unpack_data
arguments: data_label: D46
type_guessed: f64
name: unpack_data
arguments: data_label: D10
type_guessed: f32

tool: D18: 4

tool: D46: 0

tool: D10: 1

assistant: ```c
void getpupil(float *pupil, float diam, int Nnx, int Nny) {
  int ix, iy, HalfNnx, HalfNny;
  float radsq;
  float x, y, ysq, rd;
  HalfNny = Nny / 2;
  HalfNnx = Nnx / 2;
  radsq = diam * diam / 4.0;
  init3dr(pupil, 0.0, Nnx * Nny);
  for (iy = 1; iy <= HalfNny + 1; iy++) {
    y = (float)iy - 1;
    ysq = y * y;
    for (ix = iy; ix <= HalfNnx + 1; ix++) {
      x = (float)ix - 1;
      rd = x * x + ysq;
      if (rd < radsq) {
        *(pupil + (ix - 1) + (iy - 1) * Nnx) = 1.0;
        *(pupil + (iy - 1) + (ix - 1) * Nnx) = 1.0;
      }
    }
  }
  evenrepr(pupil, Nnx, Nny);
}
```