user: 请从给定的汇编指令推导出C源代码:

```asm
<LUDecompose_det2>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,%r14
  mov    %rdi,0x18(%rsp)
  mov    %esi,%ebx
  mov    %esi,%edi
  call   <dvector@plt>
  mov    %rax,%rbp
  movslq %ebx,%rbx
  test   %rbx,%rbx
  je     L158
  lea    0x0(,%rbx,8),%r15
  lea    (%r15,%r14,1),%r12
  mov    $0x0,%eax
  mov    $0x0,%r13d
  mov    %r15,0x10(%rsp)
  mov    %rax,%r15
  jmp    L168
L171:
  lea    D61(%rip),%rdi
  call   <error@plt>
L88:
  movsd  D44(%rip),%xmm0
  divsd  0x8(%rsp),%xmm0
  movsd  %xmm0,0x0(%rbp,%r13,8)
  add    $0x1,%r13
  add    0x10(%rsp),%r12
  add    %rbx,%r15
  cmp    %rbx,%r13
  je     L115
L168:
  lea    (%r14,%r15,8),%rax
  pxor   %xmm6,%xmm6
  movsd  %xmm6,0x8(%rsp)
L196:
  movsd  (%rax),%xmm0
  andpd  D45(%rip),%xmm0
  maxsd  0x8(%rsp),%xmm0
  movsd  %xmm0,0x8(%rsp)
  add    $0x8,%rax
  cmp    %r12,%rax
  jne    L196
  pxor   %xmm5,%xmm5
  ucomisd %xmm5,%xmm0
  jp     L88
  jne    L88
  jmp    L171
L115:
  mov    0x10(%rsp),%r15
  lea    0x8(%r15),%rax
  mov    %rax,0x8(%rsp)
  mov    0x18(%rsp),%rdx
  lea    (%rdx,%r15,1),%r11
  mov    %rbx,%rax
  shl    $0x4,%rax
  mov    %rdx,%r10
  mov    $0x0,%esi
  mov    $0x0,%edi
  movsd  D44(%rip),%xmm11
  movsd  D16(%rip),%xmm7
  pxor   %xmm10,%xmm10
  movapd %xmm10,%xmm9
  movapd %xmm10,%xmm6
  movq   D45(%rip),%xmm3
  movapd %xmm10,%xmm5
  movapd %xmm10,%xmm4
  movq   D38(%rip),%xmm8
  lea    -0x8(%rdx,%rax,1),%r12
  jmp    L13
L92:
  mov    %rdx,%r8
  imul   %rbx,%r8
  mov    0x18(%rsp),%rax
  lea    (%rax,%r8,8),%rax
  lea    (%r8,%rbx,1),%rcx
  lea    (%r14,%rcx,8),%rdi
  mov    %rsi,%rcx
  sub    %r8,%rcx
L40:
  movsd  (%rax),%xmm0
  movsd  (%rax,%rcx,8),%xmm1
  movsd  %xmm1,(%rax)
  movsd  %xmm0,(%rax,%rcx,8)
  add    $0x8,%rax
  cmp    %rdi,%rax
  jne    L40
  xorpd  %xmm8,%xmm11
  movsd  -0x8(%rbp,%r9,8),%xmm0
  movsd  %xmm0,0x0(%rbp,%rdx,8)
  jmp    L100
L133:
  mov    %r10,%r8
  ucomisd (%r10),%xmm10
  jp     L94
  ucomisd (%r10),%xmm9
  jne    L94
L175:
  movsd  %xmm7,(%r8)
L94:
  cmp    %rbx,%r9
  je     L77
L61:
  lea    (%rbx,%rsi,1),%r13
  mov    %rbx,%rcx
  neg    %rcx
  lea    (%r12,%rsi,8),%rdx
  mov    %r11,%rsi
  mov    %r9,%rdi
L81:
  movsd  (%rsi),%xmm2
  divsd  (%r8),%xmm2
  movsd  %xmm2,(%rsi)
  mov    %rsi,%rax
L111:
  movapd %xmm2,%xmm1
  mulsd  0x8(%rax,%rcx,8),%xmm1
  movsd  0x8(%rax),%xmm0
  subsd  %xmm1,%xmm0
  movsd  %xmm0,0x8(%rax)
  add    $0x8,%rax
  cmp    %rdx,%rax
  jne    L111
  add    $0x1,%rdi
  add    %r15,%rsi
  sub    %rbx,%rcx
  add    %r15,%rdx
  cmp    %rbx,%rdi
  jne    L81
  mov    0x8(%rsp),%rax
  add    %rax,%r11
  add    %rax,%r10
  mov    %r13,%rsi
  mov    %r9,%rdi
L13:
  lea    0x1(%rdi),%r9
  cmp    %rbx,%r9
  jae    L133
  mov    %r11,%rcx
  mov    %rdi,%rdx
  mov    %r9,%rax
  movapd %xmm6,%xmm1
L151:
  movsd  (%rcx),%xmm0
  andpd  %xmm3,%xmm0
  mulsd  0x0(%rbp,%rax,8),%xmm0
  comisd %xmm1,%xmm0
  cmova  %rax,%rdx
  maxsd  %xmm1,%xmm0
  movapd %xmm0,%xmm1
  add    $0x1,%rax
  add    %r15,%rcx
  cmp    %rbx,%rax
  jne    L151
  cmp    %rdi,%rdx
  jne    L92
L100:
  mov    %r10,%r8
  ucomisd (%r10),%xmm5
  jp     L61
  ucomisd (%r10),%xmm4
  je     L175
  jmp    L61
L77:
  lea    0x8(%r15),%rax
  mov    $0x0,%edx
  movapd %xmm11,%xmm0
L135:
  mulsd  (%r14),%xmm0
  add    $0x1,%rdx
  add    %rax,%r14
  cmp    %rbx,%rdx
  jne    L135
  movq   %xmm0,%r13
L9:
  mov    %rbp,%rdi
  call   <free@plt>
  movq   %r13,%xmm0
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L158:
  movsd  D44(%rip),%xmm6
  movq   %xmm6,%r13
  jmp    L9
```

tool_calls: name: retrieve_data
arguments: label: D61
datatype: string
name: retrieve_data
arguments: label: D44
datatype: f64
name: retrieve_data
arguments: label: D45
datatype: qword[2]
name: retrieve_data
arguments: label: D16
datatype: byte[8]
name: retrieve_data
arguments: label: D38
datatype: f32[2]

tool: D61: LU decomposition does not like singular matrices

tool: D44: 1

tool: {"D45": [0x7fffffffffffffff,0x0000000000000000]}

tool: {"D16": [0xd9,0x7d,0xda,0xf5,0xd0,0xf2,0xbe,0x3a]}

tool: {"D38": [0.0,-0.0]}

assistant: ```c
double LUDecompose_det2(double *m, const int dim) {
  double big = 0.0;
  double temp = 0.0;
  double *vv = dvector(dim);
  double d = 1.0;
  for (size_t i = 0; i < dim; i++) {
    big = 0.0;
    for (size_t j = 0; j < dim; j++) {
      if ((temp = fabs(m[i * dim + j])) > big)
        big = temp;
    }
    if (big == 0.0) {
      error("LU decomposition does not like singular matrices");
    }
    vv[i] = 1.0 / big;
  }
  size_t i, j;
  size_t imax;
  for (size_t k = 0; k < dim; k++) {
    big = 0.0;
    imax = k;
    for (i = k + 1; i < dim; i++) {
      temp = vv[i] * fabs(m[i * dim + k]);
      if (temp > big) {
        big = temp;
        imax = i;
      }
    }
    if (k != imax) {
      for (j = 0; j < dim; j++) {
        temp = m[imax * dim + j];
        m[imax * dim + j] = m[k * dim + j];
        m[k * dim + j] = temp;
      }
      d = -d;
      vv[imax] = vv[k];
    }
    if (m[k * dim + k] == 0.0)
      m[k * dim + k] = 1.0e-25;
    for (i = k + 1; i < dim; i++) {
      temp = m[i * dim + k] /= m[k * dim + k];
      for (j = k + 1; j < dim; j++) {
        m[i * dim + j] -= temp * m[k * dim + j];
      }
    }
  }
  for (size_t i = 0; i < dim; i++) {
    d *= m[i * dim + i];
  }
  free(vv);
  return d;
}
```