user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<housholder>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x48,%rsp
  mov    %rdi,%r15
  mov    %esi,-0x44(%rbp)
  mov    %edx,%ebx
  mov    %ecx,%r14d
  mov    %r8d,-0x64(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  movslq %edx,%rax
  lea    0xf(,%rax,8),%rax
  mov    %rax,%rcx
  and    $0xfffffffffffffff0,%rcx
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rdx
  sub    %rax,%rdx
L163:
  cmp    %rdx,%rsp
  je     L146
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L163
L146:
  mov    %rcx,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L164
  orq    $0x0,-0x8(%rsp,%rax,1)
L164:
  mov    %rsp,%r12
  mov    %r12,-0x50(%rbp)
  test   %r14d,%r14d
  jle    L15
  lea    0x0(,%rbx,8),%eax
  mov    %eax,-0x58(%rbp)
  movl   $0x0,-0x54(%rbp)
  movl   $0x1,-0x48(%rbp)
  mov    $0x0,%r13d
  lea    -0x40(%rbp),%rax
  mov    %rax,-0x60(%rbp)
  jmp    L179
L89:
  cmpl   $0x0,-0x64(%rbp)
  jne    L186
L118:
  mov    -0x48(%rbp),%eax
  mov    %eax,%esi
  cmp    %eax,%r14d
  jle    L15
  movsd  -0x40(%rbp),%xmm2
  mov    -0x54(%rbp),%edi
  add    -0x44(%rbp),%edi
  jmp    L110
L186:
  cmp    %r13d,%ebx
  jle    L165
  movslq -0x54(%rbp),%rax
  lea    (%r15,%rax,8),%rdx
  mov    %r13,%rax
L116:
  movsd  (%r12,%rax,8),%xmm0
  movsd  %xmm0,0x8(%rdx,%rax,8)
  add    $0x1,%rax
  cmp    %eax,%ebx
  jg     L116
L165:
  mov    -0x54(%rbp),%eax
  add    %ebx,%eax
  cltq
  movsd  -0x40(%rbp),%xmm0
  movsd  %xmm0,0x8(%r15,%rax,8)
  jmp    L118
L57:
  movslq %edi,%rax
  lea    (%r15,%rax,8),%rdx
  mov    %r13,%rax
  pxor   %xmm1,%xmm1
  mov    %r12,%rcx
L140:
  movsd  (%r12,%rax,8),%xmm0
  mulsd  (%rdx,%rax,8),%xmm0
  addsd  %xmm0,%xmm1
  add    $0x1,%rax
  cmp    %eax,%ebx
  jg     L140
  mulsd  %xmm2,%xmm1
  mov    %r13,%rax
L162:
  movapd %xmm1,%xmm0
  mulsd  (%rcx,%rax,8),%xmm0
  addsd  (%rdx,%rax,8),%xmm0
  movsd  %xmm0,(%rdx,%rax,8)
  add    $0x1,%rax
  cmp    %eax,%ebx
  jg     L162
L171:
  add    $0x1,%esi
  add    -0x44(%rbp),%edi
  cmp    %esi,%r14d
  je     L149
L110:
  cmp    %r13d,%ebx
  jg     L57
  jmp    L171
L149:
  add    $0x1,%r13
  addl   $0x1,-0x48(%rbp)
  mov    -0x44(%rbp),%edi
  add    %edi,-0x54(%rbp)
  sub    $0x8,%r12
L179:
  mov    -0x58(%rbp),%edx
  mov    $0x0,%esi
  mov    -0x50(%rbp),%rdi
  call   <memset@plt>
  sub    $0x8,%rsp
  push   -0x60(%rbp)
  mov    -0x50(%rbp),%r9
  mov    %r13d,%r8d
  mov    %ebx,%ecx
  mov    %r13d,%edx
  mov    -0x44(%rbp),%esi
  mov    %r15,%rdi
  call   <hougenu@plt>
  add    $0x10,%rsp
  test   %rax,%rax
  jne    L89
  cmp    -0x48(%rbp),%r14d
  jg     L149
L15:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L141
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L141:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void housholder(double *A, int lda, int m, int n, int lsav) {
  int i, j, col;
  double u[m], beta, sum;
  for (col = 0; col < n; col++) {
    memset(u, 0, sizeof(double) * m);
    if (hougenu(A, lda, col, m, col, u, &beta)) {
      if (lsav) {
        for (i = col; i < m; i++) {
          A[lda * col + i + 1] = u[i - col];
        }
        A[lda * col + m + 1] = beta;
      }
      for (i = col + 1; i < n; i++) {
        sum = 0.0;
        for (j = col; j < m; j++)
          sum += u[j - col] * A[j + lda * i];
        for (j = col; j < m; j++)
          A[j + lda * i] += beta * sum * u[j - col];
      }
    }
  }
}
```