user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<radius_from_curvature>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  add    $0xffffffffffffff80,%rsp
  movsd  %xmm0,-0x58(%rbp)
  movsd  %xmm1,-0x60(%rbp)
  movsd  %xmm2,-0x68(%rbp)
  movsd  %xmm3,-0x70(%rbp)
  movsd  D58(%rip),%xmm0
  ucomisd -0x60(%rbp),%xmm0
  jp     L83
  movsd  D58(%rip),%xmm0
  ucomisd -0x60(%rbp),%xmm0
  jne    L83
  movsd  D58(%rip),%xmm0
  ucomisd -0x70(%rbp),%xmm0
  jp     L83
  movsd  D58(%rip),%xmm0
  ucomisd -0x70(%rbp),%xmm0
  jne    L83
  movsd  -0x58(%rbp),%xmm0
  addsd  -0x68(%rbp),%xmm0
  jmp    L13
L83:
  movsd  -0x58(%rbp),%xmm0
  movapd %xmm0,%xmm1
  addsd  -0x68(%rbp),%xmm1
  movsd  -0x58(%rbp),%xmm0
  movapd %xmm0,%xmm2
  mulsd  -0x60(%rbp),%xmm2
  movsd  -0x68(%rbp),%xmm0
  mulsd  -0x70(%rbp),%xmm0
  addsd  %xmm2,%xmm0
  mulsd  %xmm1,%xmm0
  pxor   %xmm1,%xmm1
  ucomisd %xmm1,%xmm0
  jp     L97
  pxor   %xmm1,%xmm1
  ucomisd %xmm1,%xmm0
  jne    L97
  pxor   %xmm0,%xmm0
  jmp    L13
L97:
  movsd  -0x58(%rbp),%xmm0
  addsd  -0x68(%rbp),%xmm0
  movsd  %xmm0,-0x48(%rbp)
  movsd  -0x58(%rbp),%xmm0
  movapd %xmm0,%xmm1
  mulsd  -0x60(%rbp),%xmm1
  movsd  -0x68(%rbp),%xmm0
  mulsd  -0x70(%rbp),%xmm0
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x40(%rbp)
  movsd  -0x48(%rbp),%xmm0
  comisd -0x40(%rbp),%xmm0
  jbe    L76
  movsd  -0x40(%rbp),%xmm0
  divsd  -0x48(%rbp),%xmm0
  jmp    L67
L76:
  movsd  -0x48(%rbp),%xmm0
  divsd  -0x40(%rbp),%xmm0
L67:
  movsd  %xmm0,-0x38(%rbp)
  movsd  -0x38(%rbp),%xmm0
  movapd %xmm0,%xmm1
  mulsd  %xmm0,%xmm1
  movsd  D58(%rip),%xmm0
  subsd  %xmm1,%xmm0
  movq   %xmm0,%rax
  movq   %rax,%xmm0
  call   <sqrt@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x30(%rbp)
  mov    -0x30(%rbp),%rax
  movq   %rax,%xmm0
  call   <asin@plt>
  movq   %xmm0,%rax
  movsd  -0x30(%rbp),%xmm0
  mulsd  -0x38(%rbp),%xmm0
  movq   %rax,%xmm1
  divsd  %xmm0,%xmm1
  movsd  D58(%rip),%xmm0
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x28(%rbp)
  movsd  -0x30(%rbp),%xmm1
  movsd  D58(%rip),%xmm0
  addsd  %xmm1,%xmm0
  movsd  D58(%rip),%xmm1
  subsd  -0x30(%rbp),%xmm1
  divsd  %xmm1,%xmm0
  movsd  %xmm0,-0x20(%rbp)
  movsd  -0x38(%rbp),%xmm1
  movsd  D81(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  mulsd  -0x38(%rbp),%xmm0
  divsd  -0x30(%rbp),%xmm0
  movsd  %xmm0,-0x78(%rbp)
  mov    -0x20(%rbp),%rax
  movq   %rax,%xmm0
  call   <log@plt>
  movsd  -0x78(%rbp),%xmm1
  mulsd  %xmm0,%xmm1
  movsd  D58(%rip),%xmm0
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x18(%rbp)
  movsd  -0x28(%rbp),%xmm1
  movsd  D31(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  movsd  -0x18(%rbp),%xmm1
  mulsd  %xmm1,%xmm0
  movsd  %xmm0,-0x10(%rbp)
  movsd  -0x10(%rbp),%xmm1
  movsd  D58(%rip),%xmm0
  addsd  %xmm1,%xmm0
  addsd  %xmm0,%xmm0
  mulsd  -0x40(%rbp),%xmm0
  mulsd  -0x48(%rbp),%xmm0
  movsd  -0x48(%rbp),%xmm1
  mulsd  %xmm1,%xmm0
  movsd  %xmm0,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  movq   %rax,%xmm0
  call   <cbrt@plt>
  movsd  D81(%rip),%xmm1
  mulsd  %xmm1,%xmm0
L13:
  movq   %xmm0,%rax
  movq   %rax,%xmm0
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: data_tag: D58
type: f64
name: retrieve_data
arguments: data_tag: D81
type: f64
name: retrieve_data
arguments: data_tag: D31
type: f64

tool: D58: 1

tool: D81: 0.5

tool: D31: 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);
}
```