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

```asm
<fsub>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x50,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %esi,-0x3c(%rbp)
  mov    %edx,-0x40(%rbp)
  mov    %rcx,-0x48(%rbp)
  mov    %r8,-0x50(%rbp)
  mov    -0x3c(%rbp),%eax
  cltq
  shl    $0x3,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x3c(%rbp),%eax
  cltq
  shl    $0x3,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  movl   $0x0,-0x24(%rbp)
  jmp    L56
L59:
  mov    -0x24(%rbp),%eax
  imul   -0x3c(%rbp),%eax
  mov    %eax,-0x20(%rbp)
  movl   $0x0,-0x2c(%rbp)
  jmp    L66
L47:
  mov    -0x20(%rbp),%edx
  mov    -0x2c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rax,%rdx
  mov    -0x2c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rcx
  mov    -0x8(%rbp),%rax
  add    %rcx,%rax
  movsd  (%rdx),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x2c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  pxor   %xmm0,%xmm0
  movsd  %xmm0,(%rax)
  addl   $0x1,-0x2c(%rbp)
L66:
  mov    -0x2c(%rbp),%eax
  cmp    -0x3c(%rbp),%eax
  jl     L47
  mov    -0x3c(%rbp),%ecx
  mov    -0x8(%rbp),%rax
  mov    $0x1,%edx
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <mdisplay@plt>
  movl   $0x0,-0x2c(%rbp)
  jmp    L30
L34:
  mov    -0x2c(%rbp),%eax
  imul   -0x3c(%rbp),%eax
  mov    %eax,-0x1c(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x18(%rbp)
  movl   $0x0,-0x28(%rbp)
  jmp    L4
L99:
  mov    -0x1c(%rbp),%edx
  mov    -0x28(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mov    -0x28(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm1,%xmm0
  movsd  -0x18(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  movq   %rax,%xmm0
  lea    D8(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  addl   $0x1,-0x28(%rbp)
L4:
  mov    -0x28(%rbp),%eax
  cmp    -0x2c(%rbp),%eax
  jl     L99
  mov    -0x2c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  subsd  -0x18(%rbp),%xmm0
  mov    -0x1c(%rbp),%edx
  mov    -0x2c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mov    -0x2c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  divsd  %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  addl   $0x1,-0x2c(%rbp)
L30:
  mov    -0x2c(%rbp),%eax
  cmp    -0x3c(%rbp),%eax
  jl     L34
  movl   $0x0,-0x2c(%rbp)
  jmp    L26
L53:
  mov    -0x2c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x10(%rbp),%rax
  add    %rax,%rdx
  mov    -0x20(%rbp),%ecx
  mov    -0x2c(%rbp),%eax
  add    %ecx,%eax
  cltq
  lea    0x0(,%rax,8),%rcx
  mov    -0x50(%rbp),%rax
  add    %rcx,%rax
  movsd  (%rdx),%xmm0
  movsd  %xmm0,(%rax)
  addl   $0x1,-0x2c(%rbp)
L26:
  mov    -0x2c(%rbp),%eax
  cmp    -0x3c(%rbp),%eax
  jl     L53
  addl   $0x1,-0x24(%rbp)
L56:
  mov    -0x24(%rbp),%eax
  cmp    -0x40(%rbp),%eax
  jl     L59
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  nop
  leave
  ret
```

tool_calls: name: parse_data
arguments: label: D8
datatype: string

tool: D8: sum %lf 


assistant: ```c
void fsub(double *A, int N, int M, double *bb, double *xx) {
  int i, j, t, k, u;
  double sum;
  double *x, *b;
  x = (double *)malloc(sizeof(double) * N);
  b = (double *)malloc(sizeof(double) * N);
  for (k = 0; k < M; ++k) {
    u = k * N;
    for (i = 0; i < N; ++i) {
      b[i] = bb[u + i];
      x[i] = 0.;
    }
    mdisplay(b, N, 1);
    for (i = 0; i < N; ++i) {
      t = i * N;
      sum = 0;
      for (j = 0; j < i; ++j) {
        sum += A[t + j] * x[j];
        printf("sum %lf \n", sum);
      }
      x[i] = (b[i] - sum) / A[t + i];
    }
    for (i = 0; i < N; ++i) {
      xx[u + i] = x[i];
    }
  }
  free(x);
  free(b);
}
```