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

```asm
<Gauss_siedel>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  add    $0xffffffffffffff80,%rsp
  mov    %rdi,-0x68(%rbp)
  mov    %rsi,-0x70(%rbp)
  mov    %rdx,-0x78(%rbp)
  mov    %rcx,-0x80(%rbp)
  movsd  D31(%rip),%xmm0
  movsd  %xmm0,-0x48(%rbp)
  movl   $0x0,-0x5c(%rbp)
L83:
  mov    $0x0,%eax
  call   <boundary_pressure@plt>
  movq   $0x1,-0x58(%rbp)
  jmp    L65
L66:
  movq   $0x1,-0x50(%rbp)
  jmp    L24
L78:
  mov    -0x58(%rbp),%rax
  imul   $0x12c,%rax,%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x38(%rbp)
  mov    -0x38(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x30(%rbp)
  mov    -0x38(%rbp),%rax
  add    $0x12c,%rax
  mov    %rax,-0x28(%rbp)
  mov    -0x38(%rbp),%rax
  sub    $0x1,%rax
  mov    %rax,-0x20(%rbp)
  mov    -0x38(%rbp),%rax
  sub    $0x12c,%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x58(%rbp),%rax
  sub    $0x1,%rax
  imul   $0x12b,%rax,%rdx
  mov    -0x50(%rbp),%rax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x58(%rbp),%rax
  sub    $0x1,%rax
  imul   $0x12a,%rax,%rdx
  mov    -0x50(%rbp),%rax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x58(%rbp),%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  and    $0x1,%eax
  test   %rax,%rax
  jne    L86
  mov    -0x38(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x70(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mov    -0x10(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x78(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm2
  mov    -0x20(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mulsd  %xmm1,%xmm2
  mov    -0x10(%rbp),%rax
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x78(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm3
  mov    -0x30(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mulsd  %xmm3,%xmm1
  addsd  %xmm1,%xmm2
  mov    -0x8(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x80(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm3
  mov    -0x18(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mulsd  %xmm3,%xmm1
  addsd  %xmm1,%xmm2
  mov    -0x8(%rbp),%rax
  add    $0x12a,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x80(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm3
  mov    -0x28(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mulsd  %xmm3,%xmm1
  addsd  %xmm2,%xmm1
  mov    -0x38(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  subsd  %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x38(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movq   D17(%rip),%xmm1
  xorpd  %xmm1,%xmm0
  mov    -0x10(%rbp),%rax
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x78(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm2
  mov    -0x10(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x78(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  addsd  %xmm1,%xmm2
  mov    -0x8(%rbp),%rax
  add    $0x12a,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x80(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  addsd  %xmm1,%xmm2
  mov    -0x8(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x80(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  addsd  %xmm2,%xmm1
  mov    -0x38(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  divsd  %xmm1,%xmm0
  movsd  %xmm0,(%rax)
L86:
  addq   $0x1,-0x50(%rbp)
L24:
  cmpq   $0x12a,-0x50(%rbp)
  jle    L78
  addq   $0x1,-0x58(%rbp)
L65:
  cmpq   $0x12a,-0x58(%rbp)
  jle    L66
  movq   $0x1,-0x58(%rbp)
  jmp    L89
L75:
  movq   $0x1,-0x50(%rbp)
  jmp    L52
L4:
  mov    -0x58(%rbp),%rax
  imul   $0x12c,%rax,%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x38(%rbp)
  mov    -0x38(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x30(%rbp)
  mov    -0x38(%rbp),%rax
  add    $0x12c,%rax
  mov    %rax,-0x28(%rbp)
  mov    -0x38(%rbp),%rax
  sub    $0x1,%rax
  mov    %rax,-0x20(%rbp)
  mov    -0x38(%rbp),%rax
  sub    $0x12c,%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x58(%rbp),%rax
  sub    $0x1,%rax
  imul   $0x12b,%rax,%rdx
  mov    -0x50(%rbp),%rax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x58(%rbp),%rax
  sub    $0x1,%rax
  imul   $0x12a,%rax,%rdx
  mov    -0x50(%rbp),%rax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x58(%rbp),%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  and    $0x1,%eax
  test   %rax,%rax
  je     L22
  mov    -0x38(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x70(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mov    -0x10(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x78(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm2
  mov    -0x20(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mulsd  %xmm1,%xmm2
  mov    -0x10(%rbp),%rax
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x78(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm3
  mov    -0x30(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mulsd  %xmm3,%xmm1
  addsd  %xmm1,%xmm2
  mov    -0x8(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x80(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm3
  mov    -0x18(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mulsd  %xmm3,%xmm1
  addsd  %xmm1,%xmm2
  mov    -0x8(%rbp),%rax
  add    $0x12a,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x80(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm3
  mov    -0x28(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mulsd  %xmm3,%xmm1
  addsd  %xmm2,%xmm1
  mov    -0x38(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  subsd  %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x38(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movq   D17(%rip),%xmm1
  xorpd  %xmm1,%xmm0
  mov    -0x10(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x78(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm2
  mov    -0x10(%rbp),%rax
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x78(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  addsd  %xmm1,%xmm2
  mov    -0x8(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x80(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  addsd  %xmm1,%xmm2
  mov    -0x8(%rbp),%rax
  add    $0x12a,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x80(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  addsd  %xmm2,%xmm1
  mov    -0x38(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  divsd  %xmm1,%xmm0
  movsd  %xmm0,(%rax)
L22:
  addq   $0x1,-0x50(%rbp)
L52:
  cmpq   $0x12a,-0x50(%rbp)
  jle    L4
  addq   $0x1,-0x58(%rbp)
L89:
  cmpq   $0x12a,-0x58(%rbp)
  jle    L75
  addl   $0x1,-0x5c(%rbp)
  mov    -0x70(%rbp),%rcx
  mov    -0x68(%rbp),%rdx
  mov    -0x80(%rbp),%rsi
  mov    -0x78(%rbp),%rax
  mov    %rax,%rdi
  call   <compute_error@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x40(%rbp)
  mov    -0x40(%rbp),%rdx
  mov    -0x5c(%rbp),%eax
  movq   %rdx,%xmm0
  mov    %eax,%esi
  lea    D8(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  movsd  -0x40(%rbp),%xmm0
  movq   D16(%rip),%xmm1
  andpd  %xmm0,%xmm1
  movsd  -0x48(%rbp),%xmm0
  comisd %xmm1,%xmm0
  ja     L74
  jmp    L83
L74:
  nop
  nop
  leave
  ret
```

tool_calls: name: parse_data
arguments: label: D31
type_guessed: byte[8]
name: parse_data
arguments: label: D17
type_guessed: byte[8]
name: parse_data
arguments: label: D8
type_guessed: string
name: parse_data
arguments: label: D16
type_guessed: qword

tool: {"D31": [0x8d,0xed,0xb5,0xa0,0xf7,0xc6,0xb0,0x3e]}

tool: {"D17": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80]}

tool: D8: iter=%d	error=%lf


tool: D16: 9223372036854775807

assistant: ```c
void Gauss_siedel(double *P, double *fn, double *a_x, double *a_y) {
  long i, j, indx, indx_rght, indx_frnt, indx_lft, indx_bck, indx_ax, indx_ay;
  double P_old;
  double error;
  double tol = 1.0e-6;
  int iter = 0;
  for (;;) {
    boundary_pressure();
    for (i = 1; i < 300 - 1; i++) {
      for (j = 1; j < 300 - 1; j++) {
        indx = i * 300 + j;
        indx_rght = indx + 1;
        indx_frnt = indx + 300;
        indx_lft = indx - 1;
        indx_bck = indx - 300;
        indx_ax = (i - 1) * (300 - 1) + (j - 1);
        indx_ay = (i - 1) * (300 - 2) + (j - 1);
        if (((i + j) % 2) == 0) {
          P[indx] = -1.0 * (a_x[indx_ax] * P[indx_lft] + a_x[indx_ax + 1] * P[indx_rght] + a_y[indx_ay] * P[indx_bck] + a_y[indx_ay + (300 - 2)] * P[indx_frnt]) + 1.0 * 1.0 * fn[indx];
          P[indx] /= -1.0 * (a_x[indx_ax + 1] + a_x[indx_ax] + a_y[indx_ay + (300 - 2)] + a_y[indx_ay]);
        }
      }
    }
    for (i = 1; i < 300 - 1; i++) {
      for (j = 1; j < 300 - 1; j++) {
        indx = i * 300 + j;
        indx_rght = indx + 1;
        indx_frnt = indx + 300;
        indx_lft = indx - 1;
        indx_bck = indx - 300;
        indx_ax = (i - 1) * (300 - 1) + (j - 1);
        indx_ay = (i - 1) * (300 - 2) + (j - 1);
        if (((i + j) % 2) != 0) {
          P[indx] = -1.0 * (a_x[indx_ax] * P[indx_lft] + a_x[indx_ax + 1] * P[indx_rght] + a_y[indx_ay] * P[indx_bck] + a_y[indx_ay + (300 - 2)] * P[indx_frnt]) + 1.0 * 1.0 * fn[indx];
          P[indx] /= -1.0 * (a_x[indx_ax] + a_x[indx_ax + 1] + a_y[indx_ay] + a_y[indx_ay + (300 - 2)]);
        }
      }
    }
    iter++;
    error = compute_error(a_x, a_y, P, fn);
    printf("iter=%d\terror=%lf\n", iter, error);
    if (fabs(error) < tol) {
      break;
    }
  }
}
```