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

```asm
<stdlib_strided_snanvariancech>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x58(%rbp)
  movss  %xmm0,-0x5c(%rbp)
  mov    %rsi,-0x68(%rbp)
  mov    %rdx,-0x70(%rbp)
  cmpq   $0x0,-0x58(%rbp)
  jg     L153
  pxor   %xmm0,%xmm0
  divss  %xmm0,%xmm0
  jmp    L141
L153:
  cmpq   $0x1,-0x58(%rbp)
  je     L53
  cmpq   $0x0,-0x70(%rbp)
  jne    L41
L53:
  mov    -0x68(%rbp),%rax
  movss  (%rax),%xmm0
  movss  %xmm0,-0x38(%rbp)
  movss  -0x38(%rbp),%xmm0
  ucomiss -0x38(%rbp),%xmm0
  jp     L193
  pxor   %xmm0,%xmm0
  cvtsi2sdq -0x58(%rbp),%xmm0
  pxor   %xmm1,%xmm1
  cvtss2sd -0x5c(%rbp),%xmm1
  subsd  %xmm1,%xmm0
  pxor   %xmm1,%xmm1
  comisd %xmm1,%xmm0
  jbe    L193
  pxor   %xmm0,%xmm0
  jmp    L141
L193:
  pxor   %xmm0,%xmm0
  divss  %xmm0,%xmm0
  jmp    L141
L41:
  cmpq   $0x0,-0x70(%rbp)
  jns    L164
  mov    $0x1,%eax
  sub    -0x58(%rbp),%rax
  mov    -0x70(%rbp),%rdx
  imul   %rdx,%rax
  mov    %rax,-0x30(%rbp)
  jmp    L202
L164:
  movq   $0x0,-0x30(%rbp)
L202:
  movq   $0x0,-0x20(%rbp)
  jmp    L66
L37:
  mov    -0x30(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  movss  %xmm0,-0x38(%rbp)
  movss  -0x38(%rbp),%xmm0
  ucomiss -0x38(%rbp),%xmm0
  jp     L84
  movss  -0x38(%rbp),%xmm0
  movss  %xmm0,-0x40(%rbp)
  jmp    L161
L84:
  mov    -0x70(%rbp),%rax
  add    %rax,-0x30(%rbp)
  addq   $0x1,-0x20(%rbp)
L66:
  mov    -0x20(%rbp),%rax
  cmp    -0x58(%rbp),%rax
  jl     L37
L161:
  mov    -0x20(%rbp),%rax
  cmp    -0x58(%rbp),%rax
  jne    L92
  pxor   %xmm0,%xmm0
  divss  %xmm0,%xmm0
  jmp    L141
L92:
  mov    -0x70(%rbp),%rax
  add    %rax,-0x30(%rbp)
  addq   $0x1,-0x20(%rbp)
  pxor   %xmm0,%xmm0
  movss  %xmm0,-0x44(%rbp)
  pxor   %xmm0,%xmm0
  movss  %xmm0,-0x3c(%rbp)
  movq   $0x1,-0x28(%rbp)
  jmp    L33
L28:
  mov    -0x30(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  movss  %xmm0,-0x38(%rbp)
  movss  -0x38(%rbp),%xmm0
  ucomiss -0x38(%rbp),%xmm0
  jp     L63
  movss  -0x38(%rbp),%xmm0
  subss  -0x40(%rbp),%xmm0
  movss  %xmm0,-0x34(%rbp)
  movss  -0x34(%rbp),%xmm0
  mulss  %xmm0,%xmm0
  movss  -0x44(%rbp),%xmm1
  addss  %xmm1,%xmm0
  movss  %xmm0,-0x44(%rbp)
  movss  -0x3c(%rbp),%xmm0
  addss  -0x34(%rbp),%xmm0
  movss  %xmm0,-0x3c(%rbp)
  addq   $0x1,-0x28(%rbp)
L63:
  mov    -0x70(%rbp),%rax
  add    %rax,-0x30(%rbp)
  addq   $0x1,-0x20(%rbp)
L33:
  mov    -0x20(%rbp),%rax
  cmp    -0x58(%rbp),%rax
  jl     L28
  pxor   %xmm0,%xmm0
  cvtsi2sdq -0x28(%rbp),%xmm0
  movsd  %xmm0,-0x18(%rbp)
  pxor   %xmm1,%xmm1
  cvtss2sd -0x5c(%rbp),%xmm1
  movsd  -0x18(%rbp),%xmm0
  subsd  %xmm1,%xmm0
  movsd  %xmm0,-0x10(%rbp)
  pxor   %xmm0,%xmm0
  comisd -0x10(%rbp),%xmm0
  jb     L206
  pxor   %xmm0,%xmm0
  divss  %xmm0,%xmm0
  jmp    L141
L206:
  pxor   %xmm0,%xmm0
  cvtss2sd -0x3c(%rbp),%xmm0
  movsd  %xmm0,-0x8(%rbp)
  pxor   %xmm0,%xmm0
  cvtss2sd -0x44(%rbp),%xmm0
  divsd  -0x10(%rbp),%xmm0
  cvtsd2ss %xmm0,%xmm0
  movsd  -0x8(%rbp),%xmm1
  divsd  -0x18(%rbp),%xmm1
  pxor   %xmm2,%xmm2
  cvtsd2ss %xmm1,%xmm2
  movsd  -0x8(%rbp),%xmm1
  divsd  -0x10(%rbp),%xmm1
  cvtsd2ss %xmm1,%xmm1
  mulss  %xmm2,%xmm1
  subss  %xmm1,%xmm0
L141:
  pop    %rbp
  ret
```

assistant: ```c
float stdlib_strided_snanvariancech(const int64_t N, const float correction, const float *X, const int64_t stride) {
  int64_t ix;
  int64_t n;
  int64_t i;
  double dn;
  double nc;
  double dM;
  float M2;
  float mu;
  float M;
  float d;
  float v;
  if (N <= 0) {
    return 0.0f / 0.0f;
  }
  if (N == 1 || stride == 0) {
    v = X[0];
    if (v == v && (double)N - (double)correction > 0.0) {
      return 0.0f;
    }
    return 0.0f / 0.0f;
  }
  if (stride < 0) {
    ix = (1 - N) * stride;
  } else {
    ix = 0;
  }
  for (i = 0; i < N; i++) {
    v = X[ix];
    if (v == v) {
      mu = v;
      break;
    }
    ix += stride;
  }
  if (i == N) {
    return 0.0f / 0.0f;
  }
  ix += stride;
  i += 1;
  M2 = 0.0f;
  M = 0.0f;
  n = 1;
  for (; i < N; i++) {
    v = X[ix];
    if (v == v) {
      d = v - mu;
      M2 += d * d;
      M += d;
      n += 1;
    }
    ix += stride;
  }
  dn = (double)n;
  nc = dn - (double)correction;
  if (nc <= 0.0) {
    return 0.0f / 0.0f;
  }
  dM = (double)M;
  return (float)((double)M2 / nc) - ((float)(dM / dn) * (float)(dM / nc));
}
```