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

```asm
<invmat>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x68,%rsp
  mov    %rdx,%rax
  mov    %fs:0x28,%rdx
  mov    %rdx,-0x38(%rbp)
  xor    %edx,%edx
  cmp    %edi,%esi
  je     L32
L253:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L189
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L32:
  mov    %esi,%r14d
  mov    %rsp,-0x70(%rbp)
  lea    (%rsi,%rsi,1),%r13d
  movslq %r13d,%rdx
  lea    0x0(,%rdx,8),%rbx
  mov    %rbx,-0x68(%rbp)
  movslq %esi,%rcx
  lea    0x0(,%rcx,8),%rbx
  mov    %rbx,-0x48(%rbp)
  imul   %rbx,%rdx
  mov    %rdx,%rsi
  and    $0xfffffffffffff000,%rsi
  mov    %rsp,%rcx
  sub    %rsi,%rcx
L71:
  cmp    %rcx,%rsp
  je     L210
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L71
L210:
  mov    %rdx,%rcx
  and    $0xfff,%ecx
  sub    %rcx,%rsp
  test   %rcx,%rcx
  je     L106
  orq    $0x0,-0x8(%rsp,%rcx,1)
L106:
  mov    %rsp,%r11
  test   %r14d,%r14d
  jle    L19
  mov    -0x68(%rbp),%rsi
  mov    %rsi,%r8
  shr    $0x3,%r8
  mov    %rax,-0x78(%rbp)
  mov    -0x48(%rbp),%rbx
  add    %r11,%rbx
  mov    %rbx,%r9
  mov    %rbx,%r15
  mov    %r11,%rcx
  mov    %rax,%rdx
  mov    $0x0,%edi
  lea    -0x1(%r14),%r12d
  mov    %r13d,%eax
  sub    %r14d,%eax
  lea    -0x1(%rax),%r10d
  movsd  D6(%rip),%xmm1
  mov    %r8,-0x50(%rbp)
  mov    %rdx,%r8
  mov    %r11,-0x58(%rbp)
  mov    %rsi,%r11
  jmp    L174
L28:
  movsd  %xmm1,(%r15,%rax,8)
L80:
  lea    0x1(%rax),%rdx
  cmp    %r10,%rax
  je     L92
  mov    %rdx,%rax
L10:
  cmp    %eax,%edi
  je     L28
  movq   $0x0,(%r9,%rax,8)
  jmp    L80
L92:
  lea    0x1(%rdi),%eax
  add    -0x48(%rbp),%r8
  add    %r11,%rcx
  add    %r11,%r15
  add    %r11,%r9
  cmp    %eax,%r14d
  je     L113
  mov    %eax,%edi
L174:
  mov    %r8,%rsi
  mov    $0x0,%eax
L266:
  movsd  (%rsi,%rax,8),%xmm0
  movsd  %xmm0,(%rcx,%rax,8)
  mov    %rax,%rdx
  add    $0x1,%rax
  cmp    %r12,%rdx
  jne    L266
  cmp    %r13d,%r14d
  jge    L92
  mov    $0x0,%eax
  jmp    L10
L113:
  mov    -0x50(%rbp),%r8
  mov    -0x58(%rbp),%r11
  mov    %edi,%r12d
  lea    -0x1(%r13),%eax
  lea    0x8(%r11,%rax,8),%r9
  neg    %rax
  shl    $0x3,%rax
  mov    %rax,-0x80(%rbp)
  mov    $0x0,%r15d
  mov    $0x0,%r10d
  lea    0x1(%r8),%rsi
  mov    %rsi,-0x60(%rbp)
  lea    -0x8(%rax),%r14
  mov    %r9,-0x50(%rbp)
  mov    %rbx,-0x88(%rbp)
  mov    %r12,-0x58(%rbp)
  mov    -0x68(%rbp),%r12
  jmp    L282
L190:
  lea    0x1(%rsi),%eax
  sub    %r8,%rcx
  add    %r12,%rdx
  cmp    %esi,%edi
  je     L105
  mov    %eax,%esi
L70:
  cmp    %r10d,%esi
  je     L190
  movslq %esi,%rax
  imul   %r8,%rax
  add    %r9,%rax
  movsd  (%r11,%rax,8),%xmm2
  divsd  (%r11,%rbx,8),%xmm2
  test   %r13d,%r13d
  jle    L190
  lea    (%r14,%rdx,1),%rax
L258:
  movapd %xmm2,%xmm1
  mulsd  (%rax,%rcx,8),%xmm1
  movsd  (%rax),%xmm0
  subsd  %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  add    $0x8,%rax
  cmp    %rdx,%rax
  jne    L258
  jmp    L190
L105:
  lea    0x1(%r10),%rax
  add    %r8,%r15
  cmp    -0x58(%rbp),%r10
  je     L140
  mov    %rax,%r10
L282:
  mov    -0x50(%rbp),%rdx
  mov    %r15,%rcx
  mov    $0x0,%esi
  movslq %r10d,%r9
  mov    -0x60(%rbp),%rbx
  imul   %r9,%rbx
  jmp    L70
L140:
  mov    -0x50(%rbp),%r9
  mov    -0x88(%rbp),%rbx
  mov    -0x58(%rbp),%r12
  mov    $0x0,%edx
  add    $0x1,%r8
  mov    -0x80(%rbp),%rcx
  sub    $0x8,%rcx
  mov    -0x68(%rbp),%rsi
  jmp    L0
L58:
  mov    %eax,%edx
L0:
  movslq %edx,%rax
  imul   %r8,%rax
  movsd  (%r11,%rax,8),%xmm1
  test   %r13d,%r13d
  jle    L124
  lea    (%rcx,%r9,1),%rax
L90:
  movsd  (%rax),%xmm0
  divsd  %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  add    $0x8,%rax
  cmp    %r9,%rax
  jne    L90
L124:
  lea    0x1(%rdx),%eax
  add    %rsi,%r9
  cmp    %edx,%edi
  jne    L58
  mov    $0x0,%esi
  mov    -0x68(%rbp),%r9
  mov    -0x48(%rbp),%r10
  mov    -0x78(%rbp),%r8
L104:
  mov    %r8,%rcx
  mov    $0x0,%eax
L17:
  movsd  (%rbx,%rax,8),%xmm0
  movsd  %xmm0,(%rcx,%rax,8)
  mov    %rax,%rdx
  add    $0x1,%rax
  cmp    %r12,%rdx
  jne    L17
  lea    0x1(%rsi),%eax
  add    %r9,%rbx
  add    %r10,%r8
  cmp    %esi,%edi
  je     L19
  mov    %eax,%esi
  jmp    L104
L19:
  mov    -0x70(%rbp),%rsp
  jmp    L253
L189:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_tag: D6
type: f64

tool: D6: 1

assistant: ```c
void invmat(int m, int n, double mat[m][n]) {
  if (m == n) {
    double ratio, a, matrix[n][2 * n];
    int i, j, k;
    for (i = 0; i < n; i++) {
      for (j = 0; j < n; j++)
        matrix[i][j] = mat[i][j];
      for (j = n; j < 2 * n; j++) {
        if (i == (j - n))
          matrix[i][j] = 1.0;
        else
          matrix[i][j] = 0.0;
      }
    }
    for (i = 0; i < n; i++) {
      for (j = 0; j < n; j++) {
        if (i != j) {
          ratio = matrix[j][i] / matrix[i][i];
          for (k = 0; k < 2 * n; k++) {
            matrix[j][k] -= ratio * matrix[i][k];
          }
        }
      }
    }
    for (i = 0; i < n; i++) {
      a = matrix[i][i];
      for (j = 0; j < 2 * n; j++) {
        matrix[i][j] /= a;
      }
    }
    for (i = 0; i < n; i++) {
      for (j = 0; j < n; j++)
        mat[i][j] = matrix[i][n + j];
    }
  }
}
```