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

```asm
<invband_compute>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %edx,-0x44(%rbp)
  mov    %ecx,-0x48(%rbp)
  mov    -0x38(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  movl   $0x0,-0x24(%rbp)
  jmp    L125
L85:
  mov    -0x24(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x8(%rbp)
  movsd  -0x8(%rbp),%xmm0
  movapd %xmm0,%xmm1
  mulsd  %xmm0,%xmm1
  mov    -0x24(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movsd  D7(%rip),%xmm0
  divsd  %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  movl   $0x0,-0x20(%rbp)
  jmp    L33
L122:
  mov    -0x20(%rbp),%eax
  imul   -0x44(%rbp),%eax
  mov    %eax,%edx
  mov    -0x24(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mov    -0x20(%rbp),%eax
  imul   -0x44(%rbp),%eax
  mov    %eax,%edx
  mov    -0x24(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  divsd  -0x8(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  cmpl   $0x0,-0x20(%rbp)
  jle    L99
  mov    -0x20(%rbp),%eax
  imul   -0x44(%rbp),%eax
  mov    %eax,%edx
  mov    -0x24(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  pxor   %xmm0,%xmm0
  movsd  %xmm0,(%rax)
L99:
  addl   $0x1,-0x20(%rbp)
L33:
  mov    -0x20(%rbp),%eax
  cmp    -0x48(%rbp),%eax
  jle    L122
  addl   $0x1,-0x24(%rbp)
L125:
  mov    -0x24(%rbp),%eax
  cmp    -0x44(%rbp),%eax
  jl     L85
  mov    -0x44(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,-0x24(%rbp)
  jmp    L152
L118:
  movl   $0x1,-0x20(%rbp)
  jmp    L159
L27:
  movl   $0x1,-0x1c(%rbp)
  jmp    L41
L93:
  mov    -0x20(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jge    L132
  mov    -0x1c(%rbp),%eax
  sub    -0x20(%rbp),%eax
  jmp    L68
L132:
  mov    -0x20(%rbp),%eax
  sub    -0x1c(%rbp),%eax
L68:
  mov    %eax,-0x18(%rbp)
  mov    -0x20(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jge    L135
  mov    -0x24(%rbp),%edx
  mov    -0x20(%rbp),%eax
  add    %edx,%eax
  jmp    L50
L135:
  mov    -0x24(%rbp),%edx
  mov    -0x1c(%rbp),%eax
  add    %edx,%eax
L50:
  mov    %eax,-0x14(%rbp)
  mov    -0x20(%rbp),%eax
  imul   -0x44(%rbp),%eax
  mov    %eax,%edx
  mov    -0x24(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mov    -0x1c(%rbp),%eax
  imul   -0x44(%rbp),%eax
  mov    %eax,%edx
  mov    -0x24(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm2
  mov    -0x18(%rbp),%eax
  imul   -0x44(%rbp),%eax
  mov    %eax,%edx
  mov    -0x14(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mulsd  %xmm2,%xmm1
  mov    -0x20(%rbp),%eax
  imul   -0x44(%rbp),%eax
  mov    %eax,%edx
  mov    -0x24(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  subsd  %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  addl   $0x1,-0x1c(%rbp)
L41:
  mov    -0x44(%rbp),%eax
  sub    $0x1,%eax
  sub    -0x24(%rbp),%eax
  mov    %eax,%edx
  mov    -0x48(%rbp),%eax
  cmp    %eax,%edx
  cmovle %edx,%eax
  cmp    %eax,-0x1c(%rbp)
  jle    L93
  addl   $0x1,-0x20(%rbp)
L159:
  mov    -0x44(%rbp),%eax
  sub    $0x1,%eax
  sub    -0x24(%rbp),%eax
  mov    %eax,%edx
  mov    -0x48(%rbp),%eax
  cmp    %eax,%edx
  cmovle %edx,%eax
  cmp    %eax,-0x20(%rbp)
  jle    L27
  movl   $0x1,-0x1c(%rbp)
  jmp    L165
L7:
  mov    -0x24(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mov    -0x1c(%rbp),%eax
  imul   -0x44(%rbp),%eax
  mov    %eax,%edx
  mov    -0x24(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm2
  mov    -0x1c(%rbp),%eax
  imul   -0x44(%rbp),%eax
  mov    %eax,%edx
  mov    -0x24(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mulsd  %xmm2,%xmm1
  mov    -0x24(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  subsd  %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  addl   $0x1,-0x1c(%rbp)
L165:
  mov    -0x44(%rbp),%eax
  sub    $0x1,%eax
  sub    -0x24(%rbp),%eax
  mov    %eax,%edx
  mov    -0x48(%rbp),%eax
  cmp    %eax,%edx
  cmovle %edx,%eax
  cmp    %eax,-0x1c(%rbp)
  jle    L7
  subl   $0x1,-0x24(%rbp)
L152:
  cmpl   $0x0,-0x24(%rbp)
  jns    L118
  nop
  pop    %rbp
  ret
```

tool_calls: name: extract_symbolic_data
arguments: label: D7
data_type: f64

tool: D7: 1

assistant: ```c
void invband_compute(double *dataptr, double *L, int n, int m) {
  int i, j, k;
  int idx, idy;
  double *data, *odata;
  double diag;
  data = dataptr;
  for (i = 0; i < n; i++) {
    diag = L[i];
    data[i] = 1.0 / (diag * diag);
    for (j = 0; j <= m; j++) {
      L[j * n + i] /= diag;
      if (j > 0) {
        data[j * n + i] = 0;
      }
    }
  }
  for (i = n - 1; i >= 0; i--) {
    for (j = 1; j <= (m < n - 1 - i ? m : n - 1 - i); j++) {
      for (k = 1; k <= (n - 1 - i < m ? n - 1 - i : m); k++) {
        idx = (j < k ? k - j : j - k);
        idy = (j < k ? i + j : i + k);
        data[j * n + i] -= L[k * n + i] * data[idx * n + idy];
      }
    }
    for (k = 1; k <= (n - 1 - i < m ? n - 1 - i : m); k++) {
      data[i] -= L[k * n + i] * data[k * n + i];
    }
  }
  return;
}
```