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

```asm
<filt_sinc>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x60,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %esi,-0x3c(%rbp)
  mov    %edx,-0x40(%rbp)
  movsd  %xmm0,-0x48(%rbp)
  movsd  %xmm1,-0x50(%rbp)
  mov    %ecx,-0x54(%rbp)
  pxor   %xmm1,%xmm1
  cvtsi2sdl -0x40(%rbp),%xmm1
  movsd  -0x48(%rbp),%xmm0
  divsd  %xmm1,%xmm0
  movsd  %xmm0,-0x18(%rbp)
  mov    -0x3c(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x38(%rbp),%rax
  mov    %rax,-0x20(%rbp)
  mov    -0x38(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x54(%rbp),%eax
  cmp    -0x3c(%rbp),%eax
  setle  %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x3c(%rbp),%eax
  and    $0x1,%eax
  test   %eax,%eax
  jne    L65
  mov    -0x38(%rbp),%rax
  pxor   %xmm0,%xmm0
  movss  %xmm0,(%rax)
  mov    -0x54(%rbp),%eax
  cltq
  shl    $0x2,%rax
  add    %rax,-0x38(%rbp)
  mov    -0x38(%rbp),%rax
  cmp    -0x10(%rbp),%rax
  jb     L46
  addq   $0x4,-0x20(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,-0x38(%rbp)
L46:
  subl   $0x1,-0x3c(%rbp)
L65:
  mov    -0x3c(%rbp),%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  mov    %eax,-0x24(%rbp)
  mov    -0x24(%rbp),%eax
  neg    %eax
  mov    %eax,-0x28(%rbp)
  jmp    L38
L36:
  cmpl   $0x0,-0x28(%rbp)
  je     L3
  pxor   %xmm1,%xmm1
  cvtsi2sdl -0x28(%rbp),%xmm1
  movsd  D13(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  mulsd  -0x18(%rbp),%xmm0
  cvttsd2si %xmm0,%eax
  mov    %eax,%edi
  call   <sin@plt>
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  pxor   %xmm2,%xmm2
  cvtsi2sdl -0x28(%rbp),%xmm2
  movsd  D13(%rip),%xmm1
  mulsd  %xmm1,%xmm2
  movapd %xmm0,%xmm1
  divsd  %xmm2,%xmm1
  pxor   %xmm0,%xmm0
  cvtsi2sdl -0x40(%rbp),%xmm0
  mulsd  %xmm1,%xmm0
  jmp    L33
L3:
  movsd  -0x48(%rbp),%xmm0
L33:
  mulsd  -0x50(%rbp),%xmm0
  cvtsd2ss %xmm0,%xmm0
  mov    -0x38(%rbp),%rax
  movss  %xmm0,(%rax)
  addl   $0x1,-0x28(%rbp)
  mov    -0x54(%rbp),%eax
  cltq
  shl    $0x2,%rax
  add    %rax,-0x38(%rbp)
  mov    -0x38(%rbp),%rax
  cmp    -0x10(%rbp),%rax
  jb     L38
  addq   $0x4,-0x20(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,-0x38(%rbp)
L38:
  mov    -0x3c(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,-0x3c(%rbp)
  test   %eax,%eax
  jne    L36
  mov    -0x54(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  cmp    %rax,-0x38(%rbp)
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  nop
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D13
data_type: f64

tool: D13: 3.141592653589793

assistant: ```c
void filt_sinc(float *dest, int N, int step, double fc, double gain, int width) {
  double s = fc / step;
  int mid, x;
  float *endpoint = dest + N, *base = dest, *origdest = dest;
  assert(width <= N);
  if ((N & 1) == 0) {
    *dest = 0.0;
    dest += width;
    if (dest >= endpoint)
      dest = ++base;
    N--;
  }
  mid = N / 2;
  x = -mid;
  while (N--) {
    *dest = (x ? sin(x * 3.14159265358979323846 * s) / (x * 3.14159265358979323846) * step : fc) * gain;
    x++;
    dest += width;
    if (dest >= endpoint)
      dest = ++base;
  }
  assert(dest == origdest + width);
}
```