user: Demonstrate the C code that generates the assembly output below:

```asm
<xyz2llh>:
  endbr64
  push   %rbx
  pxor   %xmm6,%xmm6
  mov    %rsi,%rbx
  sub    $0x40,%rsp
  movsd  (%rdi),%xmm14
  movsd  0x8(%rdi),%xmm13
  movsd  0x10(%rdi),%xmm9
  movsd  D13(%rip),%xmm7
  movapd %xmm14,%xmm1
  movapd %xmm13,%xmm2
  movsd  D44(%rip),%xmm15
  movsd  D80(%rip),%xmm12
  mulsd  %xmm14,%xmm1
  movapd %xmm9,%xmm3
  movq   D121(%rip),%xmm11
  movsd  D7(%rip),%xmm10
  mulsd  %xmm13,%xmm2
  mulsd  %xmm7,%xmm3
  addsd  %xmm2,%xmm1
  jmp    L46
L14:
  movapd %xmm0,%xmm3
L46:
  movapd %xmm3,%xmm4
  addsd  %xmm9,%xmm4
  movapd %xmm4,%xmm2
  mulsd  %xmm4,%xmm2
  addsd  %xmm1,%xmm2
  ucomisd %xmm2,%xmm6
  ja     L5
  sqrtsd %xmm2,%xmm2
L13:
  movapd %xmm4,%xmm5
  movapd %xmm15,%xmm0
  divsd  %xmm2,%xmm5
  movapd %xmm5,%xmm8
  mulsd  %xmm7,%xmm8
  mulsd  %xmm5,%xmm8
  subsd  %xmm8,%xmm0
  ucomisd %xmm0,%xmm6
  ja     L36
  sqrtsd %xmm0,%xmm0
L1:
  movapd %xmm12,%xmm8
  divsd  %xmm0,%xmm8
  movapd %xmm8,%xmm0
  mulsd  %xmm7,%xmm0
  mulsd  %xmm5,%xmm0
  subsd  %xmm0,%xmm3
  andpd  %xmm11,%xmm3
  comisd %xmm3,%xmm10
  jbe    L14
  ucomisd %xmm1,%xmm6
  ja     L44
  sqrtsd %xmm1,%xmm1
L26:
  movapd %xmm4,%xmm0
  movsd  %xmm8,0x18(%rsp)
  movsd  %xmm2,0x10(%rsp)
  movsd  %xmm13,0x8(%rsp)
  movsd  %xmm14,(%rsp)
  call   <atan2@plt>
  movsd  (%rsp),%xmm14
  movsd  0x8(%rsp),%xmm13
  movsd  %xmm0,(%rbx)
  movapd %xmm14,%xmm1
  movapd %xmm13,%xmm0
  call   <atan2@plt>
  movsd  0x10(%rsp),%xmm2
  movsd  0x18(%rsp),%xmm8
  movsd  %xmm0,0x8(%rbx)
  subsd  %xmm8,%xmm2
  movsd  %xmm2,0x10(%rbx)
  add    $0x40,%rsp
  pop    %rbx
  ret
L5:
  movapd %xmm2,%xmm0
  movsd  %xmm4,0x28(%rsp)
  movsd  %xmm1,0x20(%rsp)
  movsd  %xmm9,0x18(%rsp)
  movsd  %xmm13,0x10(%rsp)
  movsd  %xmm14,0x8(%rsp)
  movsd  %xmm3,(%rsp)
  call   <sqrt@plt>
  mov    D7(%rip),%rax
  pxor   %xmm6,%xmm6
  movq   D121(%rip),%xmm11
  movsd  0x28(%rsp),%xmm4
  movsd  0x20(%rsp),%xmm1
  movapd %xmm0,%xmm2
  movq   %rax,%xmm10
  mov    D80(%rip),%rax
  movsd  0x18(%rsp),%xmm9
  movsd  0x10(%rsp),%xmm13
  movsd  0x8(%rsp),%xmm14
  movq   %rax,%xmm12
  mov    D44(%rip),%rax
  movsd  (%rsp),%xmm3
  movq   %rax,%xmm15
  mov    D13(%rip),%rax
  movq   %rax,%xmm7
  jmp    L13
L36:
  movsd  %xmm5,0x38(%rsp)
  movsd  %xmm2,0x30(%rsp)
  movsd  %xmm4,0x28(%rsp)
  movsd  %xmm1,0x20(%rsp)
  movsd  %xmm9,0x18(%rsp)
  movsd  %xmm13,0x10(%rsp)
  movsd  %xmm14,0x8(%rsp)
  movsd  %xmm3,(%rsp)
  call   <sqrt@plt>
  mov    D7(%rip),%rax
  movsd  (%rsp),%xmm3
  pxor   %xmm6,%xmm6
  movq   D121(%rip),%xmm11
  movsd  0x38(%rsp),%xmm5
  movq   %rax,%xmm10
  mov    D80(%rip),%rax
  movsd  0x30(%rsp),%xmm2
  movsd  0x28(%rsp),%xmm4
  movsd  0x20(%rsp),%xmm1
  movq   %rax,%xmm12
  mov    D44(%rip),%rax
  movsd  0x18(%rsp),%xmm9
  movsd  0x10(%rsp),%xmm13
  movsd  0x8(%rsp),%xmm14
  movq   %rax,%xmm15
  mov    D13(%rip),%rax
  movq   %rax,%xmm7
  jmp    L1
L44:
  movapd %xmm1,%xmm0
  movsd  %xmm8,0x20(%rsp)
  movsd  %xmm2,0x18(%rsp)
  movsd  %xmm4,0x10(%rsp)
  movsd  %xmm13,0x8(%rsp)
  movsd  %xmm14,(%rsp)
  call   <sqrt@plt>
  movsd  0x20(%rsp),%xmm8
  movsd  0x18(%rsp),%xmm2
  movsd  0x10(%rsp),%xmm4
  movsd  0x8(%rsp),%xmm13
  movapd %xmm0,%xmm1
  movsd  (%rsp),%xmm14
  jmp    L26
```

tool_calls: name: unpack_data
arguments: label: D13
type_infered: byte[8]
name: unpack_data
arguments: label: D44
type_infered: f64
name: unpack_data
arguments: label: D80
type_infered: f64
name: unpack_data
arguments: label: D121
type_infered: qword
name: unpack_data
arguments: label: D7
type_infered: byte[8]

tool: {"D13": [0x1a,0x85,0xfe,0xf1,0x90,0x6b,0x7b,0x3f]}

tool: D44: 1

tool: D80: 6378137

tool: D121: 9223372036854775807

tool: {"D7": [0xfc,0xa9,0xf1,0xd2,0x4d,0x62,0x50,0x3f]}

assistant: ```c
void xyz2llh(double *xyz, double *llh) {
  double a, eps, e, e2;
  double x, y, z;
  double rho2, dz, zdz, nh, slat, n, dz_new;
  a = 6378137.0;
  e = 0.0818191908426;
  eps = 1.0e-3;
  e2 = e * e;
  x = xyz[0];
  y = xyz[1];
  z = xyz[2];
  rho2 = x * x + y * y;
  dz = e2 * z;
  while (1) {
    zdz = z + dz;
    nh = sqrt(rho2 + zdz * zdz);
    slat = zdz / nh;
    n = a / sqrt(1.0 - e2 * slat * slat);
    dz_new = n * e2 * slat;
    if (fabs(dz - dz_new) < eps)
      break;
    dz = dz_new;
  }
  llh[0] = atan2(zdz, sqrt(rho2));
  llh[1] = atan2(y, x);
  llh[2] = nh - n;
  return;
}
```