user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<makePosDefANDsolveLapack>:
  endbr64
  mov    %edi,%eax
  push   %r15
  mov    %edi,%r15d
  push   %r14
  imul   %edi,%eax
  push   %r13
  push   %r12
  mov    %r8,%r12
  push   %rbp
  lea    (%rax,%rax,8),%edi
  mov    %rcx,%rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x28,%rsp
  mov    %rdx,0x10(%rsp)
  mov    %edi,0xc(%rsp)
  test   %eax,%eax
  je     L75
  mov    %edi,%edx
  xor    %esi,%esi
  mov    %rbx,%rdi
  movsd  %xmm0,(%rsp)
  shl    $0x3,%rdx
  lea    (%r15,%r15,2),%r13d
  call   <memset@plt>
  movsd  (%rsp),%xmm0
  test   %r13d,%r13d
  je     L98
L138:
  mov    0x10(%rsp),%r8
  mov    %r13d,%r9d
  xor    %esi,%esi
  xor    %ecx,%ecx
  nopw   0x0(%rax,%rax,1)
L127:
  mov    (%r8,%rcx,8),%rdi
  xor    %eax,%eax
  cs nopw 0x0(%rax,%rax,1)
L20:
  mov    %eax,%edx
  movsd  (%rdi,%rdx,8),%xmm1
  lea    (%rsi,%rax,1),%edx
  add    $0x1,%eax
  movsd  %xmm1,(%rbx,%rdx,8)
  cmp    %ecx,%eax
  jbe    L20
  add    $0x1,%rcx
  add    %r13d,%esi
  cmp    %r9,%rcx
  jne    L127
  mov    %r13d,%r14d
L28:
  mov    0xc(%rsp),%eax
  mov    %r14d,%r15d
  sub    $0x1,%eax
  lea    0x8(,%rax,8),%rax
  mov    %rax,0x18(%rsp)
  nopl   0x0(%rax)
L107:
  xor    %eax,%eax
  test   %r14d,%r14d
  je     L137
  nopw   0x0(%rax,%rax,1)
L72:
  movsd  (%r12,%rax,8),%xmm1
  movsd  %xmm1,0x0(%rbp,%rax,8)
  add    $0x1,%rax
  cmp    %rax,%r15
  jne    L72
L137:
  movsd  %xmm0,(%rsp)
  sub    $0x8,%rsp
  mov    %rbx,%rcx
  mov    %rbp,%r9
  push   %r13
  mov    $0x1,%edx
  mov    %r13d,%r8d
  mov    %r13d,%esi
  mov    $0x55,%edi
  call   <dposv@plt>
  pop    %rdx
  pop    %rcx
  test   %eax,%eax
  movsd  (%rsp),%xmm0
  jg     L179
  jne    L107
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L179:
  mov    0xc(%rsp),%eax
  test   %eax,%eax
  je     L122
  mov    0x18(%rsp),%rdx
  xor    %esi,%esi
  mov    %rbx,%rdi
  movsd  %xmm0,(%rsp)
  call   <memset@plt>
  movsd  (%rsp),%xmm0
L122:
  mov    0x10(%rsp),%r9
  xor    %r8d,%r8d
  xor    %edx,%edx
  test   %r14d,%r14d
  je     L168
L40:
  xor    %eax,%eax
  jmp    L155
  nopl   0x0(%rax)
L63:
  movsd  (%rdi,%rsi,8),%xmm1
  add    $0x1,%eax
  movsd  %xmm1,(%rcx)
  cmp    %edx,%eax
  ja     L21
L155:
  lea    (%r8,%rax,1),%ecx
  mov    (%r9),%rdi
  mov    %eax,%esi
  lea    (%rbx,%rcx,8),%rcx
  cmp    %eax,%edx
  jne    L63
  movsd  (%rdi,%rsi,8),%xmm1
  add    $0x1,%eax
  addsd  %xmm0,%xmm1
  movsd  %xmm1,(%rcx)
  cmp    %edx,%eax
  jbe    L155
L21:
  add    $0x1,%edx
  add    $0x8,%r9
  add    %r13d,%r8d
  cmp    %r14d,%edx
  jne    L40
L168:
  addsd  %xmm0,%xmm0
  jmp    L107
L75:
  lea    (%r15,%r15,2),%r13d
  movl   $0x0,0xc(%rsp)
  test   %r13d,%r13d
  jne    L138
L98:
  xor    %r14d,%r14d
  jmp    L28
```

assistant: ```c
void makePosDefANDsolveLapack(int N, double *hessFortran, double **hessC, double *delta_x, double *grad, double beta) {
  unsigned i = 0, j = 0;
  for (i = 0; i < 3 * N * 3 * N; i++)
    hessFortran[i] = 0.0;
  for (i = 0; i < 3 * N; i++)
    for (j = 0; j <= i; j++)
      hessFortran[3 * N * i + j] = hessC[i][j];
  int info;
  int posDefCounter = 0;
  while (1) {
    for (i = 0; i < 3 * N; i++)
      delta_x[i] = grad[i];
    info = dposv('U', (3 * N), 1, hessFortran, (3 * N), delta_x, (3 * N));
    if (info > 0) {
      for (i = 0; i < 3 * N * 3 * N; i++)
        hessFortran[i] = 0.0;
      for (i = 0; i < 3 * N; i++)
        for (j = 0; j <= i; j++) {
          if (i == j)
            hessFortran[3 * N * i + j] = (hessC[i][j] + beta);
          else
            hessFortran[3 * N * i + j] = hessC[i][j];
        }
      posDefCounter = +1;
      if (posDefCounter == 100) {
        fprintf(stderr, "ERROR: Can not make it pos def\n");
        break;
      }
      beta = beta * (posDefCounter + 1);
    }
    if (info == 0) {
      break;
    }
  }
}
```