user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<paw_triang_matrix_inverse>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r12
  mov    %esi,%ebp
  mov    %rdx,%r13
  mov    %rcx,%rbx
  lea    D22(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L51
  test   %ebp,%ebp
  jle    L74
  mov    %r13,%rsi
  mov    %ebp,%edi
  shl    $0x3,%rdi
  mov    $0x0,%ecx
L104:
  mov    $0x0,%eax
L88:
  mov    (%rsi),%rdx
  movsd  (%rdx,%rax,1),%xmm0
  mov    (%rbx,%rax,1),%rdx
  movsd  %xmm0,(%rdx,%rcx,1)
  add    $0x8,%rax
  cmp    %rdi,%rax
  jne    L88
  add    $0x8,%rsi
  add    $0x8,%rcx
  cmp    %rdi,%rcx
  jne    L104
L115:
  mov    $0x1,%r10d
  mov    $0x0,%r9d
  movsd  D50(%rip),%xmm2
  jmp    L25
L51:
  lea    D56(%rip),%rsi
  mov    %r12,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L93
  test   %ebp,%ebp
  jle    L74
  mov    %ebp,%esi
  lea    0x0(,%rsi,8),%rdi
  mov    $0x0,%edx
L128:
  mov    $0x0,%eax
L34:
  mov    0x0(%r13,%rax,8),%rcx
  movsd  (%rcx,%rdx,1),%xmm0
  mov    (%rbx,%rax,8),%rcx
  movsd  %xmm0,(%rcx,%rdx,1)
  add    $0x1,%rax
  cmp    %rsi,%rax
  jne    L34
  add    $0x8,%rdx
  cmp    %rdi,%rdx
  jne    L128
  jmp    L115
L93:
  lea    D31(%rip),%rdi
  call   <printf@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  test   %ebp,%ebp
  jg     L115
L74:
  lea    D22(%rip),%rsi
  mov    %r12,%rdi
  call   <strcmp@plt>
L102:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L83:
  mov    (%rbx,%r8,8),%rdi
  mov    %r9,%rax
  pxor   %xmm1,%xmm1
L178:
  mov    (%rbx,%rax,8),%rdx
  movsd  (%rdx,%rcx,1),%xmm0
  mulsd  (%rdi,%rax,8),%xmm0
  subsd  %xmm0,%xmm1
  add    $0x1,%rax
  cmp    %eax,%esi
  jg     L178
L28:
  mov    (%rbx,%r8,8),%rax
  divsd  (%rax,%r8,8),%xmm1
  movsd  %xmm1,(%rax,%rcx,1)
  add    $0x1,%r8
  cmp    %r8d,%ebp
  jle    L89
L92:
  mov    %r8d,%esi
  pxor   %xmm1,%xmm1
  cmp    %r9d,%r8d
  jg     L83
  jmp    L28
L89:
  add    $0x1,%r9
  add    $0x1,%r10
L25:
  lea    0x0(,%r9,8),%rcx
  mov    %rcx,%rax
  add    (%rbx,%r9,8),%rax
  movapd %xmm2,%xmm0
  divsd  (%rax),%xmm0
  movsd  %xmm0,(%rax)
  cmp    %r10d,%ebp
  jle    L71
  mov    %r10,%r8
  jmp    L92
L71:
  lea    D22(%rip),%rsi
  mov    %r12,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L102
  mov    %rbx,%rsi
  mov    $0x0,%r9d
  mov    $0x0,%r8d
  mov    $0x8,%r10d
  sub    %rbx,%r10
  lea    -0x1(%rbp),%r11d
L100:
  add    $0x1,%r8d
  cmp    %r8d,%ebp
  jle    L102
  lea    0x0(,%r9,8),%rdx
  lea    (%r10,%rsi,1),%rax
  mov    %r11d,%ecx
  sub    %r8d,%ecx
  lea    0x2(%r9,%rcx,1),%rdi
  shl    $0x3,%rdi
L39:
  mov    (%rbx,%rax,1),%rcx
  movsd  (%rcx,%rdx,1),%xmm0
  mov    (%rsi),%rcx
  movsd  %xmm0,(%rcx,%rax,1)
  mov    (%rbx,%rax,1),%rcx
  movq   $0x0,(%rcx,%rdx,1)
  add    $0x8,%rax
  cmp    %rdi,%rax
  jne    L39
  add    $0x1,%r9
  add    $0x8,%rsi
  jmp    L100
```

tool_calls: name: read_data
arguments: data_label: D22
type_guessed: string
name: read_data
arguments: data_label: D50
type_guessed: f64
name: read_data
arguments: data_label: D56
type_guessed: string
name: read_data
arguments: data_label: D31
type_guessed: string

tool: D22: u

tool: D50: 1

tool: D56: l

tool: D31: unknown matrix type in triang_matrix_inverse


assistant: ```c
void paw_triang_matrix_inverse(char *matrix_type, int N, double **a, double **a_inv) {
  int i;
  int j;
  int k;
  double sum;
  if (strcmp(matrix_type, "u") == 0) {
    for (j = 0; j <= N - 1; j++) {
      for (i = 0; i <= N - 1; i++) {
        a_inv[i][j] = a[j][i];
      }
    }
  } else if (strcmp(matrix_type, "l") == 0) {
    for (j = 0; j <= N - 1; j++) {
      for (i = 0; i <= N - 1; i++) {
        a_inv[i][j] = a[i][j];
      }
    }
  } else {
    printf("unknown matrix type in triang_matrix_inverse\n");
    exit(1);
  }
  for (i = 0; i <= N - 1; i++) {
    a_inv[i][i] = 1.0 / a_inv[i][i];
    for (j = i + 1; j <= N - 1; j++) {
      sum = 0.0;
      for (k = i; k <= j - 1; k++) {
        sum = sum - a_inv[j][k] * a_inv[k][i];
      }
      a_inv[j][i] = sum / a_inv[j][j];
    }
  }
  if (strcmp(matrix_type, "u") == 0) {
    for (i = 0; i <= N - 1; i++) {
      for (j = i + 1; j <= N - 1; j++) {
        a_inv[i][j] = a_inv[j][i];
        a_inv[j][i] = 0.0;
      }
    }
  }
}
```