user: What would the C source look like for the assembly code provided here:

```asm
<bindingradius>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x38,%rsp
  movapd %xmm0,%xmm7
  movsd  %xmm0,0x28(%rsp)
  movsd  %xmm1,0x18(%rsp)
  pxor   %xmm0,%xmm0
  comisd %xmm7,%xmm0
  ja     L10
  movq   %xmm3,%rbp
  mov    %edi,%r12d
  comisd %xmm1,%xmm0
  ja     L68
  comisd %xmm2,%xmm0
  jae    L261
  ucomisd %xmm0,%xmm7
  jp     L126
  je     L138
L126:
  movsd  0x18(%rsp),%xmm6
  ucomisd D45(%rip),%xmm6
  jp     L40
  jne    L40
  pxor   %xmm0,%xmm0
  movq   %rbp,%xmm5
  comisd %xmm5,%xmm0
  ja     L218
  test   %r12d,%r12d
  je     L264
  comisd D0(%rip),%xmm5
  ja     L223
  movsd  D0(%rip),%xmm0
  comisd %xmm5,%xmm0
  jae    L211
L264:
  movq   %rbp,%xmm3
  movsd  D71(%rip),%xmm0
  comisd D45(%rip),%xmm3
  jbe    L138
  mulsd  D121(%rip),%xmm2
  movsd  0x28(%rsp),%xmm5
  movapd %xmm5,%xmm0
  divsd  %xmm3,%xmm0
  addsd  %xmm0,%xmm2
  divsd  %xmm2,%xmm5
  movapd %xmm5,%xmm0
  jmp    L138
L218:
  mulsd  D121(%rip),%xmm2
  movsd  0x28(%rsp),%xmm0
  divsd  %xmm2,%xmm0
  jmp    L138
L223:
  movsd  D0(%rip),%xmm1
  movapd %xmm1,%xmm0
  divsd  %xmm5,%xmm0
  subsd  %xmm0,%xmm1
  mulsd  0x28(%rsp),%xmm1
  mulsd  D121(%rip),%xmm2
  divsd  %xmm2,%xmm1
  movapd %xmm1,%xmm0
  jmp    L138
L40:
  addsd  %xmm2,%xmm2
  mulsd  0x18(%rsp),%xmm2
  pxor   %xmm0,%xmm0
  ucomisd %xmm2,%xmm0
  ja     L252
  sqrtsd %xmm2,%xmm2
  movq   %xmm2,%rbx
L104:
  mov    %rbx,0x10(%rsp)
  pxor   %xmm3,%xmm3
  movsd  %xmm3,0x8(%rsp)
  jmp    L38
L252:
  movapd %xmm2,%xmm0
  call   <sqrt@plt>
  movq   %xmm0,%rbx
  jmp    L104
L7:
  movsd  0x10(%rsp),%xmm1
  movq   %rbx,%xmm0
  call   <numrxnrate@plt>
  movsd  0x28(%rsp),%xmm5
  mulsd  0x18(%rsp),%xmm5
  movsd  %xmm5,0x20(%rsp)
  comisd %xmm0,%xmm5
  jbe    L64
  movsd  0x10(%rsp),%xmm3
  movapd %xmm3,%xmm6
  movsd  %xmm3,0x8(%rsp)
  addsd  %xmm3,%xmm6
  movsd  %xmm6,0x10(%rsp)
L38:
  movq   %rbp,%xmm2
  test   %r12d,%r12d
  je     L7
  mulsd  0x10(%rsp),%xmm2
  jmp    L7
L64:
  movsd  0x10(%rsp),%xmm5
  subsd  0x8(%rsp),%xmm5
  movsd  %xmm5,0x18(%rsp)
  mov    $0xf,%r13d
  jmp    L213
L65:
  movsd  0x10(%rsp),%xmm1
  movq   %rbx,%xmm0
  call   <numrxnrate@plt>
  cmpnltsd 0x20(%rsp),%xmm0
  movsd  0x8(%rsp),%xmm5
  andpd  %xmm0,%xmm5
  movsd  0x10(%rsp),%xmm6
  andnpd %xmm6,%xmm0
  orpd   %xmm5,%xmm0
  movsd  %xmm0,0x8(%rsp)
  sub    $0x1,%r13d
  je     L37
L213:
  movsd  D90(%rip),%xmm4
  mulsd  0x18(%rsp),%xmm4
  movsd  %xmm4,0x18(%rsp)
  addsd  0x8(%rsp),%xmm4
  movsd  %xmm4,0x10(%rsp)
  movq   %rbp,%xmm2
  test   %r12d,%r12d
  je     L65
  mulsd  %xmm4,%xmm2
  jmp    L65
L37:
  movsd  0x18(%rsp),%xmm0
  mulsd  D90(%rip),%xmm0
  addsd  0x8(%rsp),%xmm0
  jmp    L138
L10:
  movsd  D71(%rip),%xmm0
L138:
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L68:
  movsd  D71(%rip),%xmm0
  jmp    L138
L261:
  movsd  D71(%rip),%xmm0
  jmp    L138
L211:
  movsd  D71(%rip),%xmm0
  jmp    L138
```

tool_calls: name: retrieve_data
arguments: data_tag: D45
data_type: byte[16]
name: retrieve_data
arguments: data_tag: D0
data_type: byte[16]
name: retrieve_data
arguments: data_tag: D71
data_type: byte[8]
name: retrieve_data
arguments: data_tag: D121
data_type: byte[8]
name: retrieve_data
arguments: data_tag: D90
data_type: f64

tool: {"D45": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0xbf]}

tool: {"D0": [0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0x3f,0x00,0x00,0x00,0x00,0x00,0x00,0xe0,0x3f]}

tool: {"D71": [0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0xbf]}

tool: {"D121": [0x18,0x2d,0x44,0x54,0xfb,0x21,0x29,0x40]}

tool: D90: 0.5

assistant: ```c
double bindingradius(double rate, double dt, double difc, double b, int rel) {
  double a, lo, dif, step;
  int n;
  if (rate < 0 || dt < 0 || difc <= 0)
    return -1;
  if (rate == 0)
    return 0;
  if (dt == 0) {
    if (b < 0)
      return rate / (4 * 3.14159265358979323846 * difc);
    if (rel && b > 1)
      return rate * (1 - 1 / b) / (4 * 3.14159265358979323846 * difc);
    if (rel && b <= 1)
      return -1;
    if (b > 0)
      return rate / (4 * 3.14159265358979323846 * difc + rate / b);
    return -1;
  }
  step = sqrt(2.0 * difc * dt);
  lo = 0;
  a = step;
  while (numrxnrate(step, a, rel ? b * a : b) < rate * dt) {
    lo = a;
    a *= 2.0;
  }
  dif = a - lo;
  for (n = 0; n < 15; n++) {
    dif *= 0.5;
    a = lo + dif;
    if (numrxnrate(step, a, rel ? b * a : b) < rate * dt)
      lo = a;
  }
  a = lo + 0.5 * dif;
  return a;
}
```