user: 这段汇编代码用C语言表示是什么样的?

```asm
<ludcmp>:
  endbr64
  push   %r15
  mov    %rdi,%r15
  mov    $0x1,%edi
  push   %r14
  push   %r13
  push   %r12
  mov    %esi,%r12d
  push   %rbp
  lea    0x8(%r15),%rbp
  push   %rbx
  mov    %rcx,%rbx
  sub    $0x58,%rsp
  mov    %rdx,0x28(%rsp)
  mov    %rcx,0x30(%rsp)
  call   <vector@plt>
  movl   $0x3f800000,(%rbx)
  mov    $0x1,%ebx
  mov    %rax,0x18(%rsp)
  test   %r12d,%r12d
  jle    L200
  nopl   0x0(%rax)
L256:
  mov    $0x4,%r14d
  pxor   %xmm1,%xmm1
  mov    $0x1,%r13d
L50:
  mov    0x0(%rbp),%rax
  movss  %xmm1,0xc(%rsp)
  add    $0x1,%r13d
  movss  (%rax,%r14,1),%xmm0
  add    $0x4,%r14
  call   <fabs@plt>
  movss  0xc(%rsp),%xmm1
  maxss  %xmm1,%xmm0
  movaps %xmm0,%xmm1
  cmp    %r13d,%r12d
  jge    L50
  pxor   %xmm5,%xmm5
  ucomiss %xmm5,%xmm0
  jp     L167
  je     L265
L167:
  movss  D6(%rip),%xmm0
L74:
  divss  %xmm1,%xmm0
  mov    0x18(%rsp),%rax
  add    $0x8,%rbp
  movss  %xmm0,(%rax,%rbx,4)
  add    $0x1,%rbx
  cmp    %ebx,%r12d
  jge    L256
  lea    -0x1(%r12),%eax
  mov    $0x1,%ebx
  movq   $0x1,0x20(%rsp)
  mov    %eax,0x48(%rsp)
  mov    %r12d,%eax
  shr    $0x2,%eax
  sub    $0x1,%eax
  shl    $0x4,%rax
  add    $0x14,%rax
  mov    %rax,0x38(%rsp)
  mov    %r12d,%eax
  and    $0xfffffffc,%eax
  mov    %eax,0x44(%rsp)
  add    $0x1,%eax
  mov    %eax,0x4c(%rsp)
  nop
L37:
  mov    0x20(%rsp),%rax
  lea    0x0(,%rax,4),%r14
  cmp    $0x1,%ebx
  je     L267
  movslq %ebx,%r9
  mov    $0x2,%esi
  cmp    $0x2,%ebx
  je     L131
  nop
L77:
  mov    (%r15,%rsi,8),%rcx
  mov    $0x1,%eax
  lea    (%rcx,%r14,1),%rdi
  movss  (%rdi),%xmm1
  nopl   0x0(%rax)
L305:
  mov    (%r15,%rax,8),%rdx
  movss  (%rdx,%r14,1),%xmm0
  mulss  (%rcx,%rax,4),%xmm0
  add    $0x1,%rax
  subss  %xmm0,%xmm1
  cmp    %rax,%rsi
  jne    L305
  add    $0x1,%rsi
  movss  %xmm1,(%rdi)
  cmp    %r9,%rsi
  jne    L77
L131:
  cmp    %ebx,%r12d
  jl     L73
L267:
  mov    0x20(%rsp),%rbp
  movl   $0x0,0x10(%rsp)
  movslq %ebx,%r13
  mov    %ebx,0x14(%rsp)
  mov    %r13,%rbx
  mov    %r15,%r13
  mov    %r14,%r15
  mov    %rbp,%r14
  nopw   0x0(%rax,%rax,1)
L173:
  mov    0x0(%r13,%r14,8),%rcx
  cmpl   $0x1,0x14(%rsp)
  mov    %r14d,%ebp
  lea    (%rcx,%r15,1),%r9
  movss  (%r9),%xmm1
  je     L139
  mov    $0x1,%eax
  nopl   (%rax)
L18:
  mov    0x0(%r13,%rax,8),%rdx
  movss  (%rdx,%r15,1),%xmm0
  mulss  (%rcx,%rax,4),%xmm0
  add    $0x1,%rax
  subss  %xmm0,%xmm1
  cmp    %rax,%rbx
  jne    L18
L139:
  mov    0x18(%rsp),%rax
  movss  %xmm1,(%r9)
  movaps %xmm1,%xmm0
  movss  (%rax,%r14,4),%xmm2
  movss  %xmm2,0xc(%rsp)
  call   <fabs@plt>
  mulss  0xc(%rsp),%xmm0
  comiss 0x10(%rsp),%xmm0
  jb     L241
  mov    %ebp,0x40(%rsp)
  movss  %xmm0,0x10(%rsp)
L241:
  add    $0x1,%r14
  cmp    %r14d,%r12d
  jge    L173
  mov    0x14(%rsp),%ebx
  mov    %r15,%r14
  mov    %r13,%r15
L73:
  mov    0x20(%rsp),%rax
  mov    (%r15,%rax,8),%rsi
  mov    0x40(%rsp),%eax
  cmp    %eax,%ebx
  jne    L66
L219:
  add    %r14,%rsi
  pxor   %xmm6,%xmm6
  mov    0x28(%rsp),%rax
  mov    0x40(%rsp),%ecx
  movss  (%rsi),%xmm0
  mov    0x20(%rsp),%rdi
  ucomiss %xmm6,%xmm0
  mov    %ecx,(%rax,%rdi,4)
  jp     L322
  jne    L322
  movl   $0x1e3ce508,(%rsi)
  movss  D22(%rip),%xmm0
L322:
  add    $0x1,%ebx
  cmp    0x20(%rsp),%r12d
  je     L170
  movss  D6(%rip),%xmm1
  divss  %xmm0,%xmm1
  cmp    %ebx,%r12d
  jl     L200
  movslq %ebx,%rax
  nopl   0x0(%rax)
L324:
  mov    (%r15,%rax,8),%rdx
  add    $0x1,%rax
  add    %r14,%rdx
  movss  (%rdx),%xmm0
  mulss  %xmm1,%xmm0
  movss  %xmm0,(%rdx)
  cmp    %eax,%r12d
  jge    L324
L25:
  addq   $0x1,0x20(%rsp)
  jmp    L37
L170:
  cmp    %ebx,%r12d
  jge    L25
L200:
  mov    0x18(%rsp),%rdi
  add    $0x58,%rsp
  mov    %r12d,%edx
  mov    $0x1,%esi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1090 <free_vector@plt>
L66:
  movslq %eax,%rdi
  lea    0x4(%rsi),%r9
  lea    0x14(%rsi),%r10
  mov    (%r15,%rdi,8),%r8
  lea    0x14(%r8),%rax
  cmp    %rax,%r9
  lea    0x4(%r8),%r9
  setae  %al
  cmp    %r9,%r10
  setbe  %r9b
  or     %r9b,%al
  je     L172
  cmp    $0x1,%r12d
  je     L172
  cmpl   $0x2,0x48(%rsp)
  jbe    L33
  mov    0x38(%rsp),%rdx
  mov    $0x4,%eax
  nopl   0x0(%rax,%rax,1)
L242:
  movups (%r8,%rax,1),%xmm0
  movups (%rsi,%rax,1),%xmm4
  movups %xmm4,(%r8,%rax,1)
  movups %xmm0,(%rsi,%rax,1)
  add    $0x10,%rax
  cmp    %rax,%rdx
  jne    L242
  mov    0x44(%rsp),%r9d
  cmp    %r12d,%r9d
  je     L168
  mov    %r12d,%r10d
  mov    0x4c(%rsp),%eax
  sub    %r9d,%r10d
  cmp    $0x1,%r10d
  je     L78
L163:
  add    $0x1,%r9d
  shl    $0x2,%r9
  lea    (%r8,%r9,1),%r11
  add    %rsi,%r9
  movq   (%r9),%xmm0
  mov    (%r11),%rbp
  movlps %xmm0,(%r11)
  mov    %rbp,(%r9)
  mov    %r10d,%r9d
  and    $0xfffffffe,%r9d
  add    %r9d,%eax
  cmp    %r10d,%r9d
  je     L168
L78:
  cltq
  shl    $0x2,%rax
  add    %rax,%r8
  add    %rsi,%rax
  movss  (%r8),%xmm0
  movss  (%rax),%xmm1
  movss  %xmm1,(%r8)
  movss  %xmm0,(%rax)
L168:
  mov    0x30(%rsp),%rax
  mov    0x20(%rsp),%rcx
  movss  (%rax),%xmm0
  xorps  D59(%rip),%xmm0
  movss  %xmm0,(%rax)
  mov    0x18(%rsp),%rax
  movss  (%rax,%rcx,4),%xmm0
  movss  %xmm0,(%rax,%rdi,4)
  jmp    L219
L265:
  lea    D10(%rip),%rdi
  movss  %xmm0,0xc(%rsp)
  call   <nrerror@plt>
  movss  D6(%rip),%xmm0
  movss  0xc(%rsp),%xmm1
  jmp    L74
L172:
  lea    0x1(%r12),%r9d
  mov    $0x1,%eax
L332:
  movss  (%r8,%rax,4),%xmm0
  movss  (%rsi,%rax,4),%xmm1
  movss  %xmm1,(%r8,%rax,4)
  movss  %xmm0,(%rsi,%rax,4)
  add    $0x1,%rax
  cmp    %rax,%r9
  jne    L332
  jmp    L168
L33:
  mov    %r12d,%r10d
  mov    $0x1,%eax
  xor    %r9d,%r9d
  jmp    L163
```

tool_calls: name: retrieve_data
arguments: data_label: D6
type_guessed: f32
name: retrieve_data
arguments: data_label: D22
type_guessed: byte[4]
name: retrieve_data
arguments: data_label: D59
type_guessed: byte[16]
name: retrieve_data
arguments: data_label: D10
type_guessed: string

tool: D6: 1

tool: {"D22": [0x08,0xe5,0x3c,0x1e]}

tool: {"D59": [0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00]}

tool: D10: Singular matrix in routine ludcmp

assistant: ```c
void ludcmp(float **a, int n, int *indx, float *d) {
  int i, imax, j, k;
  float big, dum, sum, temp;
  float *vv;
  vv = vector(1, n);
  *d = 1.0;
  for (i = 1; i <= n; i++) {
    big = 0.0;
    for (j = 1; j <= n; j++)
      if ((temp = fabs(a[i][j])) > big)
        big = temp;
    if (big == 0.0)
      nrerror("Singular matrix in routine ludcmp");
    vv[i] = 1.0 / big;
  }
  for (j = 1; j <= n; j++) {
    for (i = 1; i < j; i++) {
      sum = a[i][j];
      for (k = 1; k < i; k++)
        sum -= a[i][k] * a[k][j];
      a[i][j] = sum;
    }
    big = 0.0;
    for (i = j; i <= n; i++) {
      sum = a[i][j];
      for (k = 1; k < j; k++)
        sum -= a[i][k] * a[k][j];
      a[i][j] = sum;
      if ((dum = vv[i] * fabs(sum)) >= big) {
        big = dum;
        imax = i;
      }
    }
    if (j != imax) {
      for (k = 1; k <= n; k++) {
        dum = a[imax][k];
        a[imax][k] = a[j][k];
        a[j][k] = dum;
      }
      *d = -(*d);
      vv[imax] = vv[j];
    }
    indx[j] = imax;
    if (a[j][j] == 0.0)
      a[j][j] = 1.0e-20;
    ;
    if (j != n) {
      dum = 1.0 / (a[j][j]);
      for (i = j + 1; i <= n; i++)
        a[i][j] *= dum;
    }
  }
  free_vector(vv, 1, n);
}
```