user: 下面的汇编指令对应的C源代码是什么:

```asm
<radius_from_curvature>:
  endbr64
  ucomisd D66(%rip),%xmm1
  setnp  %al
  mov    $0x0,%edx
  cmovne %edx,%eax
  test   %al,%al
  je     L1
  ucomisd D66(%rip),%xmm3
  setnp  %al
  cmovne %edx,%eax
  test   %al,%al
  je     L1
  addsd  %xmm2,%xmm0
  ret
L1:
  push   %rbx
  sub    $0x20,%rsp
  movapd %xmm0,%xmm4
  addsd  %xmm2,%xmm4
  movsd  %xmm4,0x8(%rsp)
  mulsd  %xmm0,%xmm1
  mulsd  %xmm2,%xmm3
  movapd %xmm1,%xmm5
  addsd  %xmm3,%xmm5
  movsd  %xmm5,0x10(%rsp)
  mulsd  %xmm5,%xmm4
  ucomisd D93(%rip),%xmm4
  jp     L38
  pxor   %xmm0,%xmm0
  je     L24
L38:
  movsd  0x8(%rsp),%xmm2
  movsd  0x10(%rsp),%xmm6
  comisd %xmm6,%xmm2
  jbe    L42
  divsd  %xmm2,%xmm6
  movsd  %xmm6,0x18(%rsp)
L2:
  movsd  D66(%rip),%xmm0
  movsd  0x18(%rsp),%xmm5
  movapd %xmm5,%xmm1
  mulsd  %xmm5,%xmm1
  subsd  %xmm1,%xmm0
  pxor   %xmm1,%xmm1
  ucomisd %xmm0,%xmm1
  ja     L35
  sqrtsd %xmm0,%xmm0
  movsd  %xmm0,(%rsp)
L34:
  movsd  (%rsp),%xmm0
  call   <asin@plt>
  movq   %xmm0,%rbx
  movsd  D66(%rip),%xmm7
  movsd  (%rsp),%xmm6
  addsd  %xmm6,%xmm7
  movapd %xmm7,%xmm0
  movsd  D66(%rip),%xmm1
  subsd  %xmm6,%xmm1
  divsd  %xmm1,%xmm0
  call   <log@plt>
  movapd %xmm0,%xmm1
  movsd  D101(%rip),%xmm0
  movsd  0x18(%rsp),%xmm7
  mulsd  %xmm7,%xmm0
  mulsd  %xmm7,%xmm0
  movsd  (%rsp),%xmm6
  divsd  %xmm6,%xmm0
  mulsd  %xmm1,%xmm0
  addsd  D66(%rip),%xmm0
  mulsd  %xmm6,%xmm7
  movq   %rbx,%xmm1
  divsd  %xmm7,%xmm1
  addsd  D66(%rip),%xmm1
  mulsd  D1(%rip),%xmm1
  mulsd  %xmm1,%xmm0
  addsd  D66(%rip),%xmm0
  addsd  %xmm0,%xmm0
  mulsd  0x10(%rsp),%xmm0
  movsd  0x8(%rsp),%xmm4
  mulsd  %xmm4,%xmm0
  mulsd  %xmm4,%xmm0
  call   <cbrt@plt>
  mulsd  D101(%rip),%xmm0
L24:
  add    $0x20,%rsp
  pop    %rbx
  ret
L42:
  movsd  0x8(%rsp),%xmm7
  divsd  0x10(%rsp),%xmm7
  movsd  %xmm7,0x18(%rsp)
  jmp    L2
L35:
  call   <sqrt@plt>
  movsd  %xmm0,(%rsp)
  jmp    L34
```

tool_calls: name: unpack_data
arguments: data_tag: D66
data_type: f64
name: unpack_data
arguments: data_tag: D93
data_type: f64
name: unpack_data
arguments: data_tag: D101
data_type: f64
name: unpack_data
arguments: data_tag: D1
data_type: f64

tool: D66: 1

tool: D93: 0

tool: D101: 0.5

tool: D1: 0.75

assistant: ```c
double radius_from_curvature(double radius_equat_core, double x_core, double thick_shell, double x_polar_shell) {
  if (1.0 == x_core && 1.0 == x_polar_shell)
    return radius_equat_core + thick_shell;
  if ((radius_equat_core + thick_shell) * (radius_equat_core * x_core + thick_shell * x_polar_shell) == 0.)
    return 0.;
  const double radius_equat_tot = radius_equat_core + thick_shell;
  const double radius_polar_tot = radius_equat_core * x_core + thick_shell * x_polar_shell;
  const double ratio = (radius_polar_tot < radius_equat_tot ? radius_polar_tot / radius_equat_tot : radius_equat_tot / radius_polar_tot);
  const double e1 = sqrt(1.0 - ratio * ratio);
  const double b1 = 1.0 + asin(e1) / (e1 * ratio);
  const double bL = (1.0 + e1) / (1.0 - e1);
  const double b2 = 1.0 + 0.5 * ratio * ratio / e1 * log(bL);
  const double delta = 0.75 * b1 * b2;
  const double ddd = 2.0 * (delta + 1.0) * radius_polar_tot * radius_equat_tot * radius_equat_tot;
  return 0.5 * cbrt(ddd);
}
```