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

```asm
<log_btiln>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x78,%rsp
  movsd  %xmm0,-0x68(%rbp)
  movsd  %xmm1,-0x70(%rbp)
  movsd  %xmm2,-0x78(%rbp)
  movsd  -0x70(%rbp),%xmm0
  movsd  D67(%rip),%xmm1
  subsd  %xmm1,%xmm0
  movsd  %xmm0,-0x30(%rbp)
  movl   $0x1b,-0x54(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x50(%rbp)
  movsd  D67(%rip),%xmm0
  movsd  %xmm0,-0x48(%rbp)
  movsd  D86(%rip),%xmm0
  movsd  %xmm0,-0x40(%rbp)
  movl   $0x0,-0x58(%rbp)
  jmp    L39
L15:
  movsd  -0x78(%rbp),%xmm0
  mov    -0x40(%rbp),%rax
  movapd %xmm0,%xmm1
  movq   %rax,%xmm0
  call   <pow@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x38(%rbp)
  movsd  -0x68(%rbp),%xmm0
  divsd  -0x40(%rbp),%xmm0
  movsd  D67(%rip),%xmm1
  movapd %xmm1,%xmm2
  subsd  -0x40(%rbp),%xmm2
  movsd  D67(%rip),%xmm1
  divsd  %xmm2,%xmm1
  movsd  -0x78(%rbp),%xmm3
  movsd  D67(%rip),%xmm2
  addsd  %xmm3,%xmm2
  mulsd  -0x38(%rbp),%xmm2
  movsd  -0x38(%rbp),%xmm3
  movapd %xmm3,%xmm4
  mulsd  -0x40(%rbp),%xmm4
  movsd  D67(%rip),%xmm3
  subsd  %xmm4,%xmm3
  divsd  %xmm3,%xmm2
  subsd  %xmm2,%xmm1
  mulsd  -0x30(%rbp),%xmm1
  subsd  %xmm1,%xmm0
  movsd  %xmm0,-0x18(%rbp)
  movsd  -0x18(%rbp),%xmm0
  pxor   %xmm1,%xmm1
  comisd %xmm1,%xmm0
  jbe    L35
  movsd  -0x40(%rbp),%xmm0
  movsd  %xmm0,-0x50(%rbp)
  jmp    L3
L35:
  movsd  -0x40(%rbp),%xmm0
  movsd  %xmm0,-0x48(%rbp)
L3:
  movsd  -0x50(%rbp),%xmm0
  addsd  -0x48(%rbp),%xmm0
  movsd  D92(%rip),%xmm1
  divsd  %xmm1,%xmm0
  movsd  %xmm0,-0x40(%rbp)
  addl   $0x1,-0x58(%rbp)
L39:
  mov    -0x58(%rbp),%eax
  cmp    -0x54(%rbp),%eax
  jl     L15
  movsd  -0x68(%rbp),%xmm0
  divsd  -0x40(%rbp),%xmm0
  movapd %xmm0,%xmm3
  divsd  -0x40(%rbp),%xmm3
  movsd  D67(%rip),%xmm0
  movapd %xmm0,%xmm1
  subsd  -0x40(%rbp),%xmm1
  movsd  D67(%rip),%xmm0
  divsd  %xmm1,%xmm0
  movsd  D67(%rip),%xmm1
  movapd %xmm1,%xmm2
  subsd  -0x40(%rbp),%xmm2
  movapd %xmm0,%xmm1
  divsd  %xmm2,%xmm1
  movsd  -0x78(%rbp),%xmm2
  movsd  D67(%rip),%xmm0
  addsd  %xmm0,%xmm2
  movsd  -0x78(%rbp),%xmm0
  mulsd  -0x38(%rbp),%xmm0
  movapd %xmm0,%xmm4
  divsd  -0x40(%rbp),%xmm4
  movsd  -0x38(%rbp),%xmm0
  mulsd  %xmm0,%xmm0
  addsd  %xmm4,%xmm0
  mulsd  %xmm2,%xmm0
  movsd  -0x38(%rbp),%xmm2
  movapd %xmm2,%xmm4
  mulsd  -0x40(%rbp),%xmm4
  movsd  D67(%rip),%xmm2
  subsd  %xmm4,%xmm2
  divsd  %xmm2,%xmm0
  movsd  -0x38(%rbp),%xmm2
  movapd %xmm2,%xmm5
  mulsd  -0x40(%rbp),%xmm5
  movsd  D67(%rip),%xmm2
  movapd %xmm2,%xmm4
  subsd  %xmm5,%xmm4
  movapd %xmm0,%xmm2
  divsd  %xmm4,%xmm2
  subsd  %xmm2,%xmm1
  movapd %xmm1,%xmm0
  mulsd  -0x70(%rbp),%xmm0
  addsd  %xmm3,%xmm0
  movsd  %xmm0,-0x28(%rbp)
  mov    -0x40(%rbp),%rax
  movq   %rax,%xmm0
  call   <log@plt>
  movq   %xmm0,%rax
  movq   %rax,%xmm6
  mulsd  -0x68(%rbp),%xmm6
  movsd  %xmm6,-0x80(%rbp)
  movsd  -0x38(%rbp),%xmm0
  movapd %xmm0,%xmm1
  mulsd  -0x40(%rbp),%xmm1
  movsd  D67(%rip),%xmm0
  movapd %xmm0,%xmm7
  subsd  %xmm1,%xmm7
  movq   %xmm7,%rax
  movq   %rax,%xmm0
  call   <log@plt>
  movq   %xmm0,%rbx
  movsd  D67(%rip),%xmm0
  movapd %xmm0,%xmm7
  subsd  -0x40(%rbp),%xmm7
  movq   %xmm7,%rax
  movq   %rax,%xmm0
  call   <log@plt>
  movapd %xmm0,%xmm1
  movq   %rbx,%xmm5
  subsd  %xmm1,%xmm5
  movapd %xmm5,%xmm0
  movapd %xmm0,%xmm1
  mulsd  -0x30(%rbp),%xmm1
  movsd  -0x80(%rbp),%xmm0
  subsd  %xmm1,%xmm0
  movsd  %xmm0,-0x20(%rbp)
  movsd  -0x28(%rbp),%xmm0
  movsd  D92(%rip),%xmm1
  divsd  %xmm1,%xmm0
  movsd  D36(%rip),%xmm1
  divsd  %xmm1,%xmm0
  movq   %xmm0,%rax
  movq   %rax,%xmm0
  call   <log@plt>
  movsd  D86(%rip),%xmm1
  mulsd  %xmm0,%xmm1
  movsd  -0x20(%rbp),%xmm0
  subsd  %xmm1,%xmm0
  movq   %xmm0,%rax
  movq   %rax,%xmm0
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D67
type_infered: f64
name: disassemble_data
arguments: data_tag: D86
type_infered: f64
name: disassemble_data
arguments: data_tag: D92
type_infered: f64
name: disassemble_data
arguments: data_tag: D36
type_infered: f64

tool: D67: 1

tool: D86: 0.5

tool: D92: 2

tool: D36: 3.1416

assistant: ```c
double log_btiln(double a, double b, double n) {
  double b1 = b - 1.;
  int i;
  int niter = ceil(log(1e8) / log(2));
  double umin = 0., umax = 1., u = 0.5;
  double un;
  for (i = 0; i < niter; i++) {
    un = pow(u, n);
    double fprim = a / u - b1 * (1. / (1. - u) - (n + 1) * un / (1. - un * u));
    if (fprim > 0)
      umin = u;
    else
      umax = u;
    u = (umin + umax) / 2.;
  }
  double neg_fsecund = a / u / u + b * (1. / (1. - u) / (1. - u) - (n + 1.) * (n * un / u + un * un) / (1 - un * u) / (1 - un * u));
  double f = a * log(u) - (b1) * (log(1 - un * u) - log(1 - u));
  return (f - log(neg_fsecund / 2. / 3.1416) * 0.5);
}
```