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

```asm
<normals>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x60,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %rdx,-0x48(%rbp)
  mov    %rcx,-0x50(%rbp)
  mov    %r8,-0x58(%rbp)
  mov    %r9,-0x60(%rbp)
  movl   $0x1,-0x30(%rbp)
  jmp    L16
L27:
  movl   $0x1,-0x2c(%rbp)
  jmp    L30
L19:
  mov    -0x30(%rbp),%eax
  imul   0x20(%rbp),%eax
  mov    %eax,%edx
  mov    -0x2c(%rbp),%eax
  add    %edx,%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  mov    -0x30(%rbp),%eax
  imul   0x20(%rbp),%eax
  mov    %eax,%edx
  mov    -0x2c(%rbp),%eax
  add    %edx,%eax
  cltq
  shl    $0x2,%rax
  lea    -0x4(%rax),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm1
  subss  %xmm1,%xmm0
  movss  D85(%rip),%xmm1
  divss  %xmm1,%xmm0
  movss  %xmm0,-0x24(%rbp)
  mov    -0x30(%rbp),%eax
  add    $0x1,%eax
  imul   0x20(%rbp),%eax
  mov    %eax,%edx
  mov    -0x2c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  mov    -0x30(%rbp),%eax
  sub    $0x1,%eax
  imul   0x20(%rbp),%eax
  mov    %eax,%edx
  mov    -0x2c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm1
  subss  %xmm1,%xmm0
  movss  D85(%rip),%xmm1
  divss  %xmm1,%xmm0
  movss  %xmm0,-0x20(%rbp)
  movss  -0x24(%rbp),%xmm0
  movss  D81(%rip),%xmm1
  xorps  %xmm1,%xmm0
  movss  %xmm0,-0x1c(%rbp)
  movss  -0x20(%rbp),%xmm0
  movss  D81(%rip),%xmm1
  xorps  %xmm1,%xmm0
  movss  %xmm0,-0x18(%rbp)
  movss  D77(%rip),%xmm0
  movss  %xmm0,-0x14(%rbp)
  movss  -0x24(%rbp),%xmm0
  movss  D81(%rip),%xmm1
  xorps  %xmm0,%xmm1
  mov    -0x30(%rbp),%eax
  imul   0x20(%rbp),%eax
  mov    %eax,%edx
  mov    -0x2c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  mulss  %xmm0,%xmm1
  movss  -0x20(%rbp),%xmm0
  movss  D81(%rip),%xmm2
  xorps  %xmm0,%xmm2
  mov    -0x30(%rbp),%eax
  imul   0x20(%rbp),%eax
  mov    %eax,%edx
  mov    -0x2c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  mulss  %xmm2,%xmm0
  addss  %xmm0,%xmm1
  mov    -0x30(%rbp),%eax
  imul   0x20(%rbp),%eax
  mov    %eax,%edx
  mov    -0x2c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  addss  %xmm1,%xmm0
  movss  D81(%rip),%xmm1
  xorps  %xmm1,%xmm0
  movss  %xmm0,-0x10(%rbp)
  mov    0x10(%rbp),%rax
  movss  (%rax),%xmm0
  movaps %xmm0,%xmm1
  mulss  -0x1c(%rbp),%xmm1
  mov    0x10(%rbp),%rax
  movss  0x4(%rax),%xmm0
  mulss  -0x18(%rbp),%xmm0
  addss  %xmm0,%xmm1
  mov    0x10(%rbp),%rax
  movss  0x8(%rax),%xmm0
  mulss  -0x14(%rbp),%xmm0
  addss  %xmm0,%xmm1
  mov    0x10(%rbp),%rax
  movss  0xc(%rax),%xmm0
  mulss  -0x10(%rbp),%xmm0
  addss  %xmm1,%xmm0
  movss  %xmm0,-0xc(%rbp)
  mov    0x10(%rbp),%rax
  add    $0x10,%rax
  movss  (%rax),%xmm0
  movaps %xmm0,%xmm1
  mulss  -0x1c(%rbp),%xmm1
  mov    0x10(%rbp),%rax
  add    $0x10,%rax
  movss  0x4(%rax),%xmm0
  mulss  -0x18(%rbp),%xmm0
  addss  %xmm0,%xmm1
  mov    0x10(%rbp),%rax
  add    $0x10,%rax
  movss  0x8(%rax),%xmm0
  mulss  -0x14(%rbp),%xmm0
  addss  %xmm0,%xmm1
  mov    0x10(%rbp),%rax
  add    $0x10,%rax
  movss  0xc(%rax),%xmm0
  mulss  -0x10(%rbp),%xmm0
  addss  %xmm1,%xmm0
  movss  %xmm0,-0x8(%rbp)
  mov    0x10(%rbp),%rax
  add    $0x20,%rax
  movss  (%rax),%xmm0
  movaps %xmm0,%xmm1
  mulss  -0x1c(%rbp),%xmm1
  mov    0x10(%rbp),%rax
  add    $0x20,%rax
  movss  0x4(%rax),%xmm0
  mulss  -0x18(%rbp),%xmm0
  addss  %xmm0,%xmm1
  mov    0x10(%rbp),%rax
  add    $0x20,%rax
  movss  0x8(%rax),%xmm0
  mulss  -0x14(%rbp),%xmm0
  addss  %xmm0,%xmm1
  mov    0x10(%rbp),%rax
  add    $0x20,%rax
  movss  0xc(%rax),%xmm0
  mulss  -0x10(%rbp),%xmm0
  addss  %xmm1,%xmm0
  movss  %xmm0,-0x4(%rbp)
  movss  -0xc(%rbp),%xmm0
  movaps %xmm0,%xmm1
  mulss  %xmm0,%xmm1
  movss  -0x8(%rbp),%xmm0
  mulss  %xmm0,%xmm0
  addss  %xmm0,%xmm1
  movss  -0x4(%rbp),%xmm0
  mulss  %xmm0,%xmm0
  addss  %xmm0,%xmm1
  movd   %xmm1,%eax
  movd   %eax,%xmm0
  call   <sqrt@plt>
  movd   %xmm0,%eax
  mov    %eax,-0x28(%rbp)
  pxor   %xmm0,%xmm0
  comiss -0x4(%rbp),%xmm0
  jbe    L24
  movss  -0x28(%rbp),%xmm0
  movss  D81(%rip),%xmm1
  xorps  %xmm1,%xmm0
  movss  %xmm0,-0x28(%rbp)
L24:
  mov    -0x30(%rbp),%eax
  imul   0x20(%rbp),%eax
  mov    %eax,%edx
  mov    -0x2c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  movss  -0xc(%rbp),%xmm0
  divss  -0x28(%rbp),%xmm0
  movss  %xmm0,(%rax)
  mov    -0x30(%rbp),%eax
  imul   0x20(%rbp),%eax
  mov    %eax,%edx
  mov    -0x2c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x58(%rbp),%rax
  add    %rdx,%rax
  movss  -0x8(%rbp),%xmm0
  divss  -0x28(%rbp),%xmm0
  movss  %xmm0,(%rax)
  mov    -0x30(%rbp),%eax
  imul   0x20(%rbp),%eax
  mov    %eax,%edx
  mov    -0x2c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x60(%rbp),%rax
  add    %rdx,%rax
  movss  -0x4(%rbp),%xmm0
  divss  -0x28(%rbp),%xmm0
  movss  %xmm0,(%rax)
  addl   $0x1,-0x2c(%rbp)
L30:
  mov    0x20(%rbp),%eax
  sub    $0x1,%eax
  cmp    %eax,-0x2c(%rbp)
  jl     L19
  addl   $0x1,-0x30(%rbp)
L16:
  mov    0x18(%rbp),%eax
  sub    $0x1,%eax
  cmp    %eax,-0x30(%rbp)
  jl     L27
  nop
  nop
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: tag: D85
datatype: f32
name: disassemble_data
arguments: tag: D81
datatype: byte[4]
name: disassemble_data
arguments: tag: D77
datatype: f32

tool: D85: 2

tool: {"D81": [0x00,0x00,0x00,0x80]}

tool: D77: 1

assistant: ```c
void normals(float *depth, float *u, float *v, float *nx, float *ny, float *nz, float mat[4][4], int h, int w) {
  int i, j;
  for (i = 1; i < h - 1; i++) {
    for (j = 1; j < w - 1; j++) {
      float dx = (depth[i * w + j + 1] - depth[i * w + j - 1]) / 2;
      float dy = (depth[(i + 1) * w + j] - depth[(i - 1) * w + j]) / 2;
      float X = -dx, Y = -dy, Z = 1, W = -(-dx * u[i * w + j] + -dy * v[i * w + j] + depth[i * w + j]);
      float x = X * mat[0][0] + Y * mat[0][1] + Z * mat[0][2] + W * mat[0][3];
      float y = X * mat[1][0] + Y * mat[1][1] + Z * mat[1][2] + W * mat[1][3];
      float z = X * mat[2][0] + Y * mat[2][1] + Z * mat[2][2] + W * mat[2][3];
      float w_ = sqrt(x * x + y * y + z * z);
      if (z < 0)
        w_ *= -1;
      nx[i * w + j] = x / w_;
      ny[i * w + j] = y / w_;
      nz[i * w + j] = z / w_;
    }
  }
}
```