user: Demonstrate the C code that generates the assembly output below:

```asm
<ft_ftohex>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  fldz
  fldt   0x40(%rsp)
  fucomip %st(1),%st
  fstp   %st(0)
  jp     L89
  je     L117
L89:
  mov    $0x14,%edi
  call   <ft_strnew@plt>
  mov    %rax,%r12
  fldt   0x40(%rsp)
  fldz
  mov    $0x1,%ebp
  mov    $0x0,%r13d
  fcomip %st(1),%st
  fstp   %st(0)
  ja     L127
L98:
  movslq %r13d,%rdi
  add    %r12,%rdi
  call   <ft_init_hex@plt>
  add    %eax,%r13d
  fnstcw 0xe(%rsp)
  movzwl 0xe(%rsp),%eax
  or     $0xc,%ah
  mov    %ax,0xc(%rsp)
  fldt   0x40(%rsp)
  fld    %st(0)
  fldcw  0xc(%rsp)
  fistpl 0x8(%rsp)
  fldcw  0xe(%rsp)
  mov    0x8(%rsp),%eax
  cmp    %eax,%ebp
  je     L24
  mov    $0xffffffff,%ebx
  jmp    L88
L117:
  lea    D7(%rip),%rdi
  call   <ft_strdup@plt>
  jmp    L31
L127:
  movb   $0x2d,(%rax)
  mov    $0xffffffff,%ebp
  mov    $0x1,%r13d
  jmp    L98
L120:
  fld1
  fxch   %st(1)
  fcomip %st(1),%st
  fstp   %st(0)
  seta   %al
  jmp    L21
L111:
  add    $0x1,%ebx
  mov    %ebx,%esi
  mov    $0x2,%edi
  call   <ft_power@plt>
  fldt   0x40(%rsp)
  fdivp  %st,%st(1)
L3:
  fnstcw 0xe(%rsp)
  movzwl 0xe(%rsp),%eax
  or     $0xc,%ah
  mov    %ax,0xc(%rsp)
  fld    %st(0)
  fldcw  0xc(%rsp)
  fistpl 0x8(%rsp)
  fldcw  0xe(%rsp)
  mov    0x8(%rsp),%eax
  cmp    %ebp,%eax
  je     L43
L88:
  cmp    $0x1,%ebp
  je     L120
  fld1
  fchs
  fcomip %st(1),%st
  fstp   %st(0)
  seta   %al
L21:
  test   %al,%al
  jne    L111
  sub    $0x1,%ebx
  mov    %ebx,%esi
  mov    $0x2,%edi
  call   <ft_power@plt>
  fldt   0x40(%rsp)
  fdivp  %st,%st(1)
  jmp    L3
L43:
  movslq %r13d,%rdi
  add    %r12,%rdi
  mov    %ebp,0x8(%rsp)
  fildl  0x8(%rsp)
  fmulp  %st,%st(1)
  lea    -0x10(%rsp),%rsp
  fstpt  (%rsp)
  call   <ft_ftohex2@plt>
  add    %r13d,%eax
  movslq %eax,%rdx
  movb   $0x70,(%r12,%rdx,1)
  add    $0x10,%rsp
  test   %ebx,%ebx
  jle    L90
  add    $0x1,%eax
  cltq
  movb   $0x2b,(%r12,%rax,1)
L90:
  mov    %ebx,%edi
  call   <ft_itoa@plt>
  mov    %eax,%esi
  mov    $0x1,%ecx
  mov    $0x1,%edx
  mov    %r12,%rdi
  call   <ft_strfjoin@plt>
L31:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L24:
  fstp   %st(0)
  movslq %r13d,%rdi
  add    %r12,%rdi
  mov    %ebp,0x8(%rsp)
  fildl  0x8(%rsp)
  fldt   0x40(%rsp)
  fmulp  %st,%st(1)
  lea    -0x10(%rsp),%rsp
  fstpt  (%rsp)
  call   <ft_ftohex2@plt>
  add    %r13d,%eax
  cltq
  movb   $0x70,(%r12,%rax,1)
  add    $0x10,%rsp
  mov    $0xffffffff,%ebx
  jmp    L90
```

tool_calls: name: read_data
arguments: label: D7
datatype: string

tool: D7: 0x0p+0

assistant: ```c
char *ft_ftohex(long double f) {
  char *s;
  int i;
  long double res;
  int x;
  int sign;
  if ((x = -1) && f == 0.0)
    return (ft_strdup("0x0p+0"));
  i = 0;
  s = ft_strnew(20);
  if ((sign = (f < 0 ? -1 : 1)) == -1)
    s[i++] = '-';
  i += ft_init_hex(s + i);
  res = f;
  while ((int)res != sign) {
    if ((sign == 1 ? (res > 1) : (res < -1)))
      res = f / ft_power(2, ++x);
    else
      res = f / ft_power(2, --x);
  }
  i += ft_ftohex2(s + i, res * sign);
  if ((s[i++] = 'p') && x > 0)
    s[i++] = '+';
  return (s = ft_strfjoin(s, ft_itoa(x), 1, 1));
}
```