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

```asm
<mergesort>:
  endbr64
  push   %r15
  mov    %rdi,%r15
  push   %r14
  push   %r13
  mov    %esi,%r13d
  push   %r12
  push   %rbp
  mov    %esi,%ebp
  push   %rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  mov    %esi,%eax
  and    $0x1,%eax
  cmp    $0x1,%eax
  adc    $0xffffffff,%r13d
  test   %r13d,%r13d
  jle    L123
  lea    -0x1(%r13),%eax
  mov    %rdi,%rbx
  lea    D28(%rip),%rcx
  shr    %eax
  lea    0x17(%rsp),%r14
  lea    D14(%rip),%r12
  lea    0x8(%rdi,%rax,8),%rdx
  jmp    L75
  nopl   0x0(%rax)
L53:
  add    $0x8,%rbx
  cmp    %rdx,%rbx
  je     L123
L75:
  movss  (%rbx),%xmm0
  movss  0x4(%rbx),%xmm1
  comiss %xmm1,%xmm0
  jbe    L53
  mov    %rcx,%rdi
  movss  %xmm1,(%rbx)
  add    $0x8,%rbx
  movss  %xmm0,-0x4(%rbx)
  mov    %rdx,0x8(%rsp)
  call   <printf@plt>
  mov    %r14,%rsi
  mov    %r12,%rdi
  call   <scanf@plt>
  mov    0x8(%rsp),%rdx
  lea    D28(%rip),%rcx
  cmp    %rdx,%rbx
  jne    L75
L123:
  cmp    $0x2,%ebp
  jle    L67
  cmp    %ebp,%r13d
  lea    -0x3(%rbp),%r12d
  lea    0x8(%r15),%rbx
  setl   %r14b
  and    $0xfffffffe,%r12d
  lea    0x4(%r12),%eax
  mov    $0x2,%r12d
  mov    %eax,0x8(%rsp)
  nopl   0x0(%rax,%rax,1)
L109:
  cmp    %r12d,%r13d
  mov    %r15,%rax
  sete   %dl
  and    %r14d,%edx
  xor    $0x1,%edx
  jmp    L72
  nopl   0x0(%rax)
L26:
  add    $0x4,%rax
  cmp    %rbx,%rax
  je     L27
L72:
  movss  (%rax),%xmm1
  movss  (%rbx),%xmm0
  comiss %xmm0,%xmm1
  jbe    L10
  movss  %xmm1,(%rbx)
  movss  %xmm0,(%rax)
L10:
  movss  0x4(%rbx),%xmm1
  comiss %xmm1,%xmm0
  jbe    L26
  test   %dl,%dl
  je     L26
  add    $0x4,%rax
  movss  %xmm1,(%rbx)
  movss  %xmm0,0x4(%rbx)
  cmp    %rbx,%rax
  jne    L72
  cs nopw 0x0(%rax,%rax,1)
L27:
  mov    %ebp,%esi
  mov    %r15,%rdi
  add    $0x2,%r12d
  add    $0x8,%rbx
  call   <print@plt>
  cmp    0x8(%rsp),%r12d
  jne    L109
L67:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L0
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L0:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_tag: D28
type_guessed: string
name: retrieve_data
arguments: data_tag: D14
type_guessed: string

tool: D28: Swapping %f %f

tool: D14: %c

assistant: ```c
void mergesort(float *array, int size) {
  int limit = (size % 2 == 0) ? size : size - 1;
  int i;
  char ch;
  for (i = 0; i < limit; i += 2) {
    float ent1 = *(array + i);
    float ent2 = *(array + i + 1);
    if (ent1 > ent2) {
      *(array + i) = ent2;
      *(array + i + 1) = ent1;
      printf("Swapping %f %f", ent1, ent2);
      scanf("%c", &ch);
    }
  }
  int cursize = 2;
  while (cursize < size) {
    int j = 0;
    int klim = 2;
    if (limit < size && cursize == (limit)) {
      klim = 1;
    }
    while (j < cursize) {
      float ent1 = *(array + j);
      float ent2 = *(array + cursize);
      if (ent2 < ent1) {
        *(array + cursize) = ent1;
        *(array + j) = ent2;
      }
      j++;
      ent1 = *(array + cursize + 1);
      if (ent1 < ent2 && klim == 2) {
        *(array + cursize) = ent1;
        *(array + cursize + 1) = ent2;
      }
    }
    cursize += 2;
    print(array, size);
  }
}
```