user: What is the c source code of the assembly code below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    D62(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  lea    -0x20(%rbp),%rax
  mov    %rax,%rsi
  lea    D69(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  lea    D41(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  lea    -0x18(%rbp),%rax
  mov    %rax,%rsi
  lea    D69(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  movss  -0x18(%rbp),%xmm0
  movss  D61(%rip),%xmm1
  divss  %xmm1,%xmm0
  movss  %xmm0,-0x18(%rbp)
  lea    D48(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  lea    -0x1c(%rbp),%rax
  mov    %rax,%rsi
  lea    D69(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  lea    D65(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  lea    -0x14(%rbp),%rax
  mov    %rax,%rsi
  lea    D69(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  movss  -0x14(%rbp),%xmm0
  movss  D61(%rip),%xmm1
  divss  %xmm1,%xmm0
  movss  %xmm0,-0x14(%rbp)
  movss  -0x1c(%rbp),%xmm0
  pxor   %xmm1,%xmm1
  cvtss2sd %xmm0,%xmm1
  movss  -0x14(%rbp),%xmm0
  cvtss2sd %xmm0,%xmm0
  movsd  D51(%rip),%xmm2
  subsd  %xmm2,%xmm0
  mulsd  %xmm1,%xmm0
  movss  -0x20(%rbp),%xmm1
  pxor   %xmm2,%xmm2
  cvtss2sd %xmm1,%xmm2
  movss  -0x18(%rbp),%xmm1
  cvtss2sd %xmm1,%xmm1
  movsd  D51(%rip),%xmm3
  subsd  %xmm3,%xmm1
  mulsd  %xmm2,%xmm1
  subsd  %xmm1,%xmm0
  movsd  D73(%rip),%xmm1
  divsd  %xmm1,%xmm0
  cvtsd2ss %xmm0,%xmm0
  movss  %xmm0,-0x10(%rbp)
  pxor   %xmm0,%xmm0
  comiss -0x10(%rbp),%xmm0
  jbe    L1
  movss  -0x1c(%rbp),%xmm0
  pxor   %xmm1,%xmm1
  cvtss2sd %xmm0,%xmm1
  movss  -0x14(%rbp),%xmm0
  cvtss2sd %xmm0,%xmm0
  movsd  D51(%rip),%xmm2
  subsd  %xmm2,%xmm0
  mulsd  %xmm1,%xmm0
  movss  -0x18(%rbp),%xmm1
  cvtss2sd %xmm1,%xmm1
  movsd  D51(%rip),%xmm2
  subsd  %xmm2,%xmm1
  divsd  %xmm1,%xmm0
  cvtsd2ss %xmm0,%xmm0
  movss  %xmm0,-0xc(%rbp)
  pxor   %xmm4,%xmm4
  cvtss2sd -0xc(%rbp),%xmm4
  movq   %xmm4,%rax
  movq   %rax,%xmm0
  lea    D64(%rip),%rax
  mov    %rax,%rdi
  mov    $0x1,%eax
  call   <printf@plt>
  jmp    L26
L1:
  pxor   %xmm5,%xmm5
  cvtss2sd -0x10(%rbp),%xmm5
  movq   %xmm5,%rax
  movq   %rax,%xmm0
  lea    D47(%rip),%rax
  mov    %rax,%rdi
  mov    $0x1,%eax
  call   <printf@plt>
  movss  -0x1c(%rbp),%xmm0
  movss  -0x20(%rbp),%xmm1
  subss  %xmm1,%xmm0
  subss  -0x10(%rbp),%xmm0
  pxor   %xmm6,%xmm6
  cvtss2sd %xmm0,%xmm6
  movq   %xmm6,%rax
  movq   %rax,%xmm0
  lea    D172(%rip),%rax
  mov    %rax,%rdi
  mov    $0x1,%eax
  call   <printf@plt>
L26:
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L13
  call   <__stack_chk_fail@plt>
L13:
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: label: D62
type_infered: string
name: disassemble_data
arguments: label: D69
type_infered: string
name: disassemble_data
arguments: label: D41
type_infered: string
name: disassemble_data
arguments: label: D61
type_infered: byte[4]
name: disassemble_data
arguments: label: D48
type_infered: string
name: disassemble_data
arguments: label: D65
type_infered: string
name: disassemble_data
arguments: label: D51
type_infered: f64
name: disassemble_data
arguments: label: D73
type_infered: f64
name: disassemble_data
arguments: label: D64
type_infered: string
name: disassemble_data
arguments: label: D47
type_infered: string
name: disassemble_data
arguments: label: D172
type_infered: string

tool: D62: Enter the current tank pressure(in bar)

tool: D69: %f

tool: D41: Enter the current mix -> e.g for EAN36 enter 36

tool: {"D61": [0x00,0x00,0xc8,0x42]}

tool: D48: Target final pressure(in bar)

tool: D65: Target final percent of O2 -> for EAN32 enter 32

tool: D51: 0.209

tool: D73: 0.791

tool: D64: You should bleed the tank to %.2f bar then top up to your required pressure with air.

tool: D47: Amount of O2: %.2f bar


tool: D172: Amount of air: %.2f bar


assistant: ```c
int main(void) {
  float p_start, p_final, mix_start, mix_final, p_remove, p_test;
  printf("Enter the current tank pressure(in bar)\n");
  scanf("%f", &p_start);
  printf("Enter the current mix -> e.g for EAN36 enter 36\n");
  scanf("%f", &mix_start);
  mix_start /= 100;
  printf("Target final pressure(in bar)\n");
  scanf("%f", &p_final);
  printf("Target final percent of O2 -> for EAN32 enter 32\n");
  scanf("%f", &mix_final);
  mix_final /= 100;
  p_test = ((p_final * (mix_final - 0.209)) - (p_start * (mix_start - 0.209))) / 0.791;
  if (p_test < 0) {
    p_remove = (p_final * (mix_final - 0.209)) / (mix_start - 0.209);
    printf("You should bleed the tank to %.2f bar then top up to your required pressure with air.", p_remove);
  } else {
    printf("Amount of O2: %.2f bar\n", p_test);
    printf("Amount of air: %.2f bar\n", (p_final - p_start - p_test));
  }
  return 0;
}
```