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

```asm
<c_corr>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x50,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  xor    %eax,%eax
  lea    D8(%rip),%rsi
  call   <fopen@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  setne  %dil
  movzbl %dil,%edi
  call   <assert@plt>
  mov    $0x0,%ebp
  pxor   %xmm7,%xmm7
  movsd  %xmm7,0x20(%rsp)
  movsd  %xmm7,0x18(%rsp)
  movsd  %xmm7,(%rsp)
  movsd  %xmm7,0x10(%rsp)
  movsd  %xmm7,0x8(%rsp)
  lea    0x38(%rsp),%r12
  jmp    L12
L44:
  mov    %rbp,%rax
  shr    %rax
  and    $0x1,%ebp
  or     %rbp,%rax
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  addsd  %xmm0,%xmm0
  movsd  %xmm0,0x28(%rsp)
  jmp    L143
L69:
  subsd  D49(%rip),%xmm0
  cvttsd2si %xmm0,%rdi
  btc    $0x3f,%rdi
  jmp    L62
L18:
  mov    %rax,%rdx
  shr    %rdx
  and    $0x1,%eax
  or     %rax,%rdx
  pxor   %xmm0,%xmm0
  cvtsi2sd %rdx,%xmm0
  addsd  %xmm0,%xmm0
  jmp    L8
L59:
  subsd  D49(%rip),%xmm1
  cvttsd2si %xmm1,%rdi
  btc    $0x3f,%rdi
  jmp    L145
L37:
  mov    %rax,%rdx
  shr    %rdx
  and    $0x1,%eax
  or     %rax,%rdx
  pxor   %xmm1,%xmm1
  cvtsi2sd %rdx,%xmm1
  addsd  %xmm1,%xmm1
  jmp    L7
L139:
  movsd  0x38(%rsp),%xmm1
  movsd  0x8(%rsp),%xmm2
  addsd  %xmm1,%xmm2
  movsd  %xmm2,0x8(%rsp)
  movapd %xmm1,%xmm0
  mulsd  %xmm1,%xmm0
  addsd  0x10(%rsp),%xmm0
  movsd  %xmm0,0x10(%rsp)
  movsd  0x40(%rsp),%xmm0
  movsd  (%rsp),%xmm3
  addsd  %xmm0,%xmm3
  movsd  %xmm3,(%rsp)
  mulsd  %xmm0,%xmm1
  addsd  0x20(%rsp),%xmm1
  movsd  %xmm1,0x20(%rsp)
  mulsd  %xmm0,%xmm0
  addsd  0x18(%rsp),%xmm0
  movsd  %xmm0,0x18(%rsp)
  add    $0x1,%rbp
L12:
  mov    %rbx,%rcx
  mov    $0x1,%edx
  mov    $0x8,%esi
  mov    %r12,%rdi
  call   <fread@plt>
  cmp    $0x1,%eax
  jne    L92
  lea    0x40(%rsp),%rdi
  mov    %rbx,%rcx
  mov    $0x1,%edx
  mov    $0x8,%esi
  call   <fread@plt>
  cmp    $0x1,%eax
  jne    L92
  mov    %rbx,%rdi
  call   <feof@plt>
  test   %rax,%rax
  je     L139
L92:
  mov    %rbx,%rdi
  call   <fclose@plt>
  test   %rbp,%rbp
  js     L44
  pxor   %xmm6,%xmm6
  cvtsi2sd %rbp,%xmm6
  movsd  %xmm6,0x28(%rsp)
L143:
  movsd  0x20(%rsp),%xmm1
  movsd  0x28(%rsp),%xmm5
  mulsd  %xmm5,%xmm1
  movsd  0x8(%rsp),%xmm4
  movapd %xmm4,%xmm0
  mulsd  (%rsp),%xmm0
  subsd  %xmm0,%xmm1
  movq   %xmm1,%rbx
  movsd  0x10(%rsp),%xmm0
  mulsd  %xmm5,%xmm0
  movapd %xmm4,%xmm1
  mulsd  %xmm4,%xmm1
  subsd  %xmm1,%xmm0
  comisd D49(%rip),%xmm0
  jae    L69
  cvttsd2si %xmm0,%rdi
L62:
  call   <sqrt@plt>
  test   %rax,%rax
  js     L18
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
L8:
  movq   %rbx,%xmm6
  divsd  %xmm0,%xmm6
  movq   %xmm6,%rbx
  movsd  0x28(%rsp),%xmm1
  mulsd  0x18(%rsp),%xmm1
  movsd  (%rsp),%xmm0
  mulsd  %xmm0,%xmm0
  subsd  %xmm0,%xmm1
  comisd D49(%rip),%xmm1
  jae    L59
  cvttsd2si %xmm1,%rdi
L145:
  call   <sqrt@plt>
  test   %rax,%rax
  js     L37
  pxor   %xmm1,%xmm1
  cvtsi2sd %rax,%xmm1
L7:
  movq   %rbx,%xmm0
  divsd  %xmm1,%xmm0
  mov    0x48(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L133
  add    $0x50,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L133:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: tag: D8
type_infered: string
name: unpack_data
arguments: tag: D49
type_infered: f32

tool: D8: rb

tool: D49: 0

assistant: ```c
double c_corr(const char f_name[]) {
  FILE *const pf = fopen(f_name, "rb");
  assert(pf != NULL);
  double sx = 0, sxx = 0, sy = 0, syy = 0, sxy = 0;
  size_t n = 0;
  while (1) {
    double x, y;
    if (fread(&x, sizeof(double), 1, pf) != 1 || fread(&y, sizeof(double), 1, pf) != 1 || feof(pf)) {
      fclose(pf);
      break;
    }
    sx += x;
    sxx += x * x;
    sy += y;
    sxy += x * y;
    syy += y * y;
    ++n;
  }
  return (n * sxy - sx * sy) / sqrt(n * sxx - sx * sx) / sqrt(n * syy - sy * sy);
}
```