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

```asm
<main>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  cmp    $0x2,%edi
  je     L61
  mov    (%rsi),%rsi
  lea    D13(%rip),%rdi
  call   <printf@plt>
  lea    D74(%rip),%rdi
  call   <puts@plt>
  mov    $0xa,%edi
  call   <putchar@plt>
  mov    $0x1,%edi
  call   <exit@plt>
L61:
  mov    0x8(%rbx),%rdi
  lea    0x4(%rsp),%rdx
  lea    D118(%rip),%rsi
  call   <sscanf@plt>
  cmp    $0x1,%eax
  je     L4
  lea    D28(%rip),%rdi
  call   <puts@plt>
  mov    $0x1,%edi
  call   <exit@plt>
L4:
  mov    0x4(%rsp),%ebx
  test   %ebx,%ebx
  jle    L66
L109:
  test   %ebx,%ebx
  lea    0x3(%rbx),%ebp
  lea    D25(%rip),%rdi
  cmovns %ebx,%ebp
  call   <puts@plt>
  mov    0x4(%rsp),%esi
  lea    D19(%rip),%rdi
  xor    %eax,%eax
  sar    $0x2,%ebp
  call   <printf@plt>
  xor    %eax,%eax
  mov    %ebp,%esi
  lea    D94(%rip),%rdi
  call   <printf@plt>
  cmp    $0x3,%ebx
  jle    L33
  lea    -0x1(%rbp),%r13d
  xor    %ebx,%ebx
  lea    D4(%rip),%r12
  lea    D76(%rip),%r14
  jmp    L23
  nopl   0x0(%rax,%rax,1)
L95:
  add    $0x1,%ebx
  cmp    %ebx,%ebp
  jle    L33
L23:
  pxor   %xmm1,%xmm1
  movsd  D31(%rip),%xmm0
  cvtsi2sdl 0x4(%rsp),%xmm1
  divsd  %xmm1,%xmm0
  pxor   %xmm1,%xmm1
  cvtsi2sd %ebx,%xmm1
  mulsd  %xmm1,%xmm0
  cvttsd2si %xmm0,%edi
  call   <sin@plt>
  mulsd  D51(%rip),%xmm0
  xor    %eax,%eax
  mov    %r12,%rdi
  addsd  D55(%rip),%xmm0
  cvttsd2si %xmm0,%rsi
  call   <printf@plt>
  cmp    %r13d,%ebx
  je     L13
  mov    %r14,%rdi
  xor    %eax,%eax
  call   <printf@plt>
L13:
  mov    %ebx,%eax
  and    $0x7,%eax
  cmp    $0x7,%eax
  jne    L95
  mov    $0xa,%edi
  add    $0x1,%ebx
  call   <putchar@plt>
  cmp    %ebx,%ebp
  jg     L23
  nopl   0x0(%rax,%rax,1)
L33:
  lea    D129(%rip),%rdi
  call   <puts@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L54
  add    $0x10,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L66:
  lea    D28(%rip),%rdi
  call   <puts@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  mov    0x4(%rsp),%ebx
  jmp    L109
L54:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D13
type_infered: string
name: retrieve_data
arguments: tag: D74
type_infered: string
name: retrieve_data
arguments: tag: D118
type_infered: string
name: retrieve_data
arguments: tag: D28
type_infered: string
name: retrieve_data
arguments: tag: D25
type_infered: string
name: retrieve_data
arguments: tag: D19
type_infered: string
name: retrieve_data
arguments: tag: D94
type_infered: string
name: retrieve_data
arguments: tag: D4
type_infered: string
name: retrieve_data
arguments: tag: D76
type_infered: string
name: retrieve_data
arguments: tag: D31
type_infered: byte[8]
name: retrieve_data
arguments: tag: D51
type_infered: byte[8]
name: retrieve_data
arguments: tag: D55
type_infered: f64
name: retrieve_data
arguments: tag: D129
type_infered: string

tool: D13: Usage: %s <size>


tool: D74:   <size>: size of (complex) FFT

tool: D118: %d

tool: D28: Error: Invalid size

tool: D25: // Table generated using gen_twiddle.

tool: D19: // FFT size: %d.


tool: D94: const uint16_t twiddle_factor_lookup[%d] = {


tool: D4: 0x%04x

tool: D76: , 

tool: {"D31": [0x18,0x2d,0x44,0x54,0xfb,0x21,0x19,0x40]}

tool: {"D51": [0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0x40]}

tool: D55: 0.5

tool: D129: };

assistant: ```c
int main(int argc, char **argv) {
  int i;
  int fft_size;
  int table_size;
  unsigned int out;
  if (argc != 2) {
    printf("Usage: %s <size>\n", argv[0]);
    printf("  <size>: size of (complex) FFT\n");
    printf("\n");
    exit(1);
  }
  if (sscanf(argv[1], "%d", &fft_size) != 1) {
    printf("Error: Invalid size\n");
    exit(1);
  }
  if (fft_size <= 0) {
    printf("Error: Invalid size\n");
    exit(1);
  }
  table_size = (fft_size / 4);
  printf("// Table generated using gen_twiddle.\n");
  printf("// FFT size: %d.\n", fft_size);
  printf("const uint16_t twiddle_factor_lookup[%d] = {\n", table_size);
  for (i = 0; i < table_size; i++) {
    out = (unsigned int)(sin(i * (2.0 * 3.141592653589793238462643 / (double)fft_size)) * (double)0x00010000 + 0.5);
    printf("0x%04x", out);
    if (i != (table_size - 1)) {
      printf(", ");
    }
    if ((i % 8) == (8 - 1)) {
      printf("\n");
    }
  }
  printf("};\n");
}
```