user: 请从给定的汇编指令推导出C源代码:

```asm
<main>:
  endbr64
  push   %rbp
  lea    D58(%rip),%rdi
  lea    D26(%rip),%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <printf@plt>
  lea    0x10(%rsp),%rsi
  mov    %rbp,%rdi
  call   <scanf@plt>
  lea    D3(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    0x14(%rsp),%rsi
  mov    %rbp,%rdi
  call   <scanf@plt>
  movss  0x14(%rsp),%xmm1
  movss  0x10(%rsp),%xmm0
  call   <plus@plt>
  movss  0x14(%rsp),%xmm1
  movsd  %xmm0,0x8(%rsp)
  movss  0x10(%rsp),%xmm0
  call   <plus@plt>
  movsd  0x8(%rsp),%xmm2
  mov    $0x2,%eax
  lea    D63(%rip),%rdi
  movapd %xmm2,%xmm1
  call   <printf@plt>
  movss  0x14(%rsp),%xmm1
  movss  0x10(%rsp),%xmm0
  call   <minus@plt>
  movss  0x14(%rsp),%xmm1
  movsd  %xmm0,0x8(%rsp)
  movss  0x10(%rsp),%xmm0
  call   <minus@plt>
  movsd  0x8(%rsp),%xmm2
  mov    $0x2,%eax
  lea    D6(%rip),%rdi
  movapd %xmm2,%xmm1
  call   <printf@plt>
  movss  0x14(%rsp),%xmm1
  movss  0x10(%rsp),%xmm0
  call   <mul@plt>
  movss  0x14(%rsp),%xmm1
  movsd  %xmm0,0x8(%rsp)
  movss  0x10(%rsp),%xmm0
  call   <mul@plt>
  movsd  0x8(%rsp),%xmm2
  mov    $0x2,%eax
  lea    D81(%rip),%rdi
  movapd %xmm2,%xmm1
  call   <printf@plt>
  movss  0x14(%rsp),%xmm1
  ucomiss D9(%rip),%xmm1
  jp     L4
  jne    L4
  lea    D65(%rip),%rdi
  call   <puts@plt>
L16:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L38
  add    $0x20,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L4:
  movss  0x10(%rsp),%xmm0
  call   <div@plt>
  movss  0x14(%rsp),%xmm1
  movsd  %xmm0,0x8(%rsp)
  movss  0x10(%rsp),%xmm0
  call   <div@plt>
  movsd  0x8(%rsp),%xmm2
  mov    $0x2,%eax
  lea    D43(%rip),%rdi
  movapd %xmm2,%xmm1
  call   <printf@plt>
  jmp    L16
L38:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_label: D58
type_guessed: string
name: disassemble_data
arguments: data_label: D26
type_guessed: string
name: disassemble_data
arguments: data_label: D3
type_guessed: string
name: disassemble_data
arguments: data_label: D63
type_guessed: string
name: disassemble_data
arguments: data_label: D6
type_guessed: string
name: disassemble_data
arguments: data_label: D81
type_guessed: string
name: disassemble_data
arguments: data_label: D9
type_guessed: byte[4]
name: disassemble_data
arguments: data_label: D65
type_guessed: string
name: disassemble_data
arguments: data_label: D43
type_guessed: string

tool: D58:  Input a  number, please? 

tool: D26: %f

tool: D3:  Input a  number2, please?  

tool: D63:  c + d = %.4f     %e


tool: D6:  c - d = %.4f     %e


tool: D81:  c * d = %.4f     %e


tool: {"D9": [0x00,0x00,0x00,0x00]}

tool: D65:  Unknown.

tool: D43:  c / d = %.4f     %e


assistant: ```c
int main() {
  float c, d;
  printf(" Input a  number, please? ");
  scanf("%f", &c);
  printf(" Input a  number2, please?  ");
  scanf("%f", &d);
  printf(" c + d = %.4f     %e\n", plus(c, d), plus(c, d));
  printf(" c - d = %.4f     %e\n", minus(c, d), minus(c, d));
  printf(" c * d = %.4f     %e\n", mul(c, d), mul(c, d));
  if (d == 0)
    printf(" Unknown.\n");
  else
    printf(" c / d = %.4f     %e\n", div(c, d), div(c, d));
  return 0;
}
```